Races

RMRR provides consistent and individualized marathon training opportunities for runners of all abilities. All races in the series are low cost, friendly, fully supported, and officially timed.The first two races, March 29 & April 11, are 10 Mile and 20 Mile races (runners choice for distance). The third race in the series is the Inaugural Blue Heron half marathon.  All you need to do is focus on your running!  Our races fit perfectly in training schedules for Boston, London, Colfax, and other spring full and half marathons. Everyone is welcome to Marathon Training Series races:  RMRR members, guests, training team members, everyone!  The course is clearly marked, and mile markers will help you gauge your time. Aid stations will have water, sports drink, and gels. Winners of each distance will receive ribbons and running store gift certificates. We make it easy for you to work on your pace, your nutrition and drinking, and getting everything ready for your big race. RMRR members get

***RACE POSTPONED TO 2027*** We regret to inform you that the 2026 Dash for Detection: Oral Cancer Awareness 5K has been canceled. Due to circumstances beyond our control, we were unable to secure the necessary credentialing to move forward with the event this year. All registered participants will receive a full refund of their race registration fees within the next few weeks. No further action is needed on your end. While this is not the news we hoped to share, please know that our commitment to raising awareness for oral cancer and supporting those currently battling the disease—as well as honoring those we have lost—remains unwavering. We are already exploring alternative options and beginning preparations to ensure the 2027 race is even bigger and better than ever. Thank you for your understanding, continued support, and belief in the mission of Dash for Detection. Please reach out if you have any questions or concerns, All my best, Riley Spillar  riley.spillar@cuanschutz.edu

Step back in time and hit the streets to the soundtrack of three iconic eras at Run Through the Decades—a race that celebrates the unforgettable music of the 60s, 70s, and 80s! Whether you love the soulful rhythms of the 60s, the funky grooves of the 70s, or the neon-charged energy of the 80s, this event brings each decade to life—one mile at a time. Join us at Cottonwood Park in Colorado Springs. To honor these legendary musical eras, runners can choose from three themed race distances: 6K for the groovy 60s7K for the funky 70s8K for the epic 80s Can’t decide? Complete all three distances to conquer the Run Through the Decades Half Marathon—the ultimate time-traveling challenge. All athletes will receive a custom finisher medal, and we’ll present awards for all four races in the usual 5-year age groups starting at 10 & under, giving runners of all ages a chance to shine. So dust off your tie-dye, break out your disco glam, or rock your brightest neon—get ready to run, groove, and

Run or walk with purpose and help us take steps toward ending period poverty in Northern Colorado. Did you know that in the US 1 in 5 girls miss school because she does not have access to the products she needs when she has her period? Colorado Center on Law and Policy stated in their 2018 Self Sufficiency Standard for Colorado report, “Almost two out of three single mothers lack income adequate to meet their basic needs.”  A new survey done by Justice Necessary, a non-profit out of Colorado Springs revealed that of 1,256 Colorado women 18-40 years old, 57% of these women struggle with affording period products. Yes, you read that right, 57%. Join the women of Colorado Rocky Mountain Chapter, Delta Sigma Theta Sorority Inc. and the Fort Collins Running Club for a family-friendly 5K that brings movement, mental health advocacy, and community impact together in one meaningful morning. Every step supports period poverty initiatives and breast health.  Participants are encouraged to donate

The Donut Dash 5K is Denver’s race that ends with donuts. Runners and walkers can take advantage of a flat and fast course, and then enjoy fresh donuts at the finish. Our mission is to bring people together to have a fun, fit morning.

Join Peedy the Prairie Dog in Colorado every season for the Prairie Dog Race Series! Sign up for the distance of your choice - 5k, 10k or Half Marathon. Sign up for the season of your choice - Spring, Summer or Fall. Sign up for the city of your choice - Arvada, Castle Rock or Westminster.

Welcome to the SPRING FLING Prairie Dog Half, part of the Prairie Dog Half Race Series. This spring-time event also features 10k & 5k distances! If you're looking for race day info (including, schedule, course, packet pick up, etc) navigate to the menu under "race info" at the top!

April is a lovely time to run with RMRR, and the City Park 4 mile run is a great way to celebrate spring.  We usually have fabulous spring weather for this run, and it’s fun to run around the park and the zoo.  As always, everyone is welcome. Race Day DetailsTime: 9:00 am  for the first starters.Check-in: At the Pavilion. Show up at least 30 minutes early to walk from your car, get your tag and warm up.  Parking: Either in the lot between the zoo and science museum, or S of 17th.Course: Two laps on asphalt roads, and a short dirt path, around Denver's City Park.

Welcome to the Platte River Half Marathon, Relay & 5k race, one of the most exciting and popular races in the Denver Metro Area! This race is held annually in Littleton, CO. We’re thrilled to announce that registration for our upcoming 2026 event on Sunday, April 12th is open for the half-marathon and relay race. The race starts and finishes next to the beautiful Platte River Trail and adjacent to the popular Breckenridge Brewery campus. Join us for an epic post-race party at the Brewery with food, vendors, live music, and of course beer! Whether you’re an experienced runner looking to set a new PR, a newcomer looking to tackle your first half-marathon, or a team of runners wanting to run an exciting relay race, join us for a day of adrenaline-pumping running, scenic views, and all-around fun. What’s more, we donate a portion of the proceeds to Salute Colorado. Thank you for your support, and we can’t wait to see you at the finish line! Questions? Visit our race website here.   Ent

Who We Are: Healthy Kids Running Series is a five (5) week running program in the spring and fall for kids Pre-K through 8th grade. Each HKRS Series takes place once a week and offers age-appropriate running events including the 50 & 75 yard dashes, the 1/4 mile, the 1/2 mile and the 1 mile run. Kids will earn points for each race they complete based on their finish. Pricing: The registration fee covers the entire five (5) weeks of the Series which includes race bibs for each week, a runner shirt, a finisher medal and any sponsor giveaways. Registration is non-refundable and non-transferable. Online Early Bird registration increases three weeks prior to the first race event.  Challenger: This Series offers a Challenger Division which is an adaptive 75 yard race for children with disabilities and/or special needs. This allows for parents, siblings, and friends to be on the course with runners to provide support as well as bringing their own supportive devices such as crutches, brace

Who We Are: Healthy Kids Running Series is a five (5) week running program in the spring and fall for kids Pre-K through 8th grade. Each HKRS Series takes place once a week and offers age-appropriate running events including the 50 & 75 yard dashes, the 1/4 mile, the 1/2 mile and the 1 mile run. Kids will earn points for each race they complete based on their finish. Pricing: The registration fee covers the entire five (5) weeks of the Series which includes race bibs for each week, a runner shirt, a finisher medal and any sponsor giveaways. Registration is non-refundable and non-transferable. Online Early Bird registration increases three weeks prior to the first race event.  Challenger: This Series offers a Challenger Division which is an adaptive 75 yard race for children with disabilities and/or special needs. This allows for parents, siblings, and friends to be on the course with runners to provide support as well as bringing their own supportive devices such as crutches, brace

Who We Are: Healthy Kids Running Series is a five (5) week running program in the spring and fall for kids Pre-K through 8th grade. Each HKRS Series takes place once a week and offers age-appropriate running events including the 50 & 75 yard dashes, the 1/4 mile, the 1/2 mile and the 1 mile run. Kids will earn points for each race they complete based on their finish. Pricing: The registration fee covers the entire five (5) weeks of the Series which includes race bibs for each week, a runner shirt, a finisher medal and any sponsor giveaways. Registration is non-refundable and non-transferable. Online Early Bird registration increases three weeks prior to the first race event.  Challenger: This Series offers a Challenger Division which is an adaptive 75 yard race for children with disabilities and/or special needs. This allows for parents, siblings, and friends to be on the course with runners to provide support as well as bringing their own supportive devices such as crutches, brace

We are pleased to offer 2 x Spring track meets (4/12 and 5/3), for middle distance and distance runners, that will be conducted similarly to the BMC (British Milers Club) meets. All meets will be held at Niwot High School. Our 2nd track meet, known as the Frank Shorter Track Classic, will take place on Sunday May 3rd. MEET 1 - SUNDAY, APRIL 12EVENTS - 800m, 1500m and 2-Mile ADDITIONAL NOTES: There are NO age restrictions or time standards to enter (except for the 2-Mile).All athletes will be placed in heats with other athletes that have recorded similar times.Heats will run from slowest times to fastest times.Please Note: Our final timetable is determined by how many registrations we get. A rough timetable for each events starting time, with the slowest wave going first, is: 800m at 9:00am/ 1500m at 10:00am/ 2-Mile at 11:00am.Final race information to go out Friday, April 10th.

50 Mile Solo Race100 Mile Solo Race50 Mile Relay Race100 Mile Relay Race  Join miles.Beyond in celebrating the Poudre River Trail. This long-distance race takes you on a sprawling tour of Northern Colorado via the picturesque Poudre River Trail. You'll enjoy scenic views and local amenities through Fort Collins, Timnath, Windsor and Greeley. While ultra distances can be daunting, this race is an ideal option for beginners and seasoned-athletes alike. With a fully supported course, great aid stations and abundant exchange zones this truly epic journey makes for an unforgettable running experience. The 50 mile race is point-to-point run. Starting in Bellvue at Watson Lake on Sunday morning runners will travel through Fort Collins, Timnath and Windsor to complete their journey in Greeley.  The 100 mile race is a unique blend of an in person and virtual event: Participants will run 50 miles on Sunday, with the 50 Mile distance race, and complete the other 50 miles on their own within t

Who's ready to hop into Spring? Shake off winter and welcome the sunshine at the Hop Into Spring 5K! This fun, friendly run invites athletes of all ages and paces to kick off the new season on a smooth, flat course perfect for both runners and walkers. Whether you're chasing a personal best or enjoying a refreshing spring stroll, this race is the perfect way to celebrate longer days, warmer weather, and fresh starts. We’ll be recognizing excellence across the field with awards for the Top Three Male and Female Overall finishers, as well as Master, Grand Master, and Senior Master Overalls. In addition, the top three athletes in each of the traditional five-year age groups will take home awards. Come hop into spring with us—your season of racing starts here!   Custom Bibs & Finisher Medals for everyone!

Please join the Durango Running Club for the inaugural Earth Day 5K! The race will be on 04/18/26 at 8:30 AM at Rotary Park in Durango. Runners and walkers will go north on the Animas River Trail from Rotary Park, and will run or walk 1.55 miles north to just before 32nd Street. Participants will then turn around and finish at Rotary park. Please note this will be a Zero Waste event. Participants are encouraged to carry their own water.  This event is a fun run/walk format, and there will be no chip timing or prizes. All proceeds from the race will go to benefit Compañeros. As the only organization in our region with its primary focus on serving immigrants, Compañeros offers unique and crucial services to our community. Services offered by Compañeros include resource navigation, legal services, education outreach, and community engagement. Compañeros website: https://www.companeros.org We will look to wrap the race up by 9:30 AM. After the race, stick around for a raffle open to all sp

Join us for this Inaugural Race in beautiful Durango, Colorado! Take advantage of the special inaugural race pricing this year, only $45. Fort Lewis Students will receive an additional $10 discount by entering Coupon Code: FLCStudent2026. Any student using this code must enter their Student "900" Number during registration, then enter this Coupon Code at checkout. FORMAT: 3 mile run - 12 mile bike - 3 mile run WHERE: Fort Lewis College. Most of the bike and run courses utilize Fort Lewis College roads/grounds and Rim Drive. See Course maps.

Woody’s Tortoise and Hare is a true handicap event in that it measures your fitness level based on your age, gender, height and weight! Factor out age, size, and gender and what do you have left? Conditioning and training! Level the playing field. If you’re in shape, that’s all that matters! Back-of-the packers lead early. Fast-runners play pursuit.

🍺 4th Street Flannel Fest Pub CrawlApril 18, 2026 | Downtown Loveland Grab your favorite flannel and join us for a fun night out in Downtown Loveland! The 4th Street Flannel Fest Pub Crawl is back and better than ever, featuring five amazing stops along 4th Street. Your evening includes a drink at each location, a custom event coaster, raffle entries, and a whole lot of good vibes with friends.  🎟 What’s Included with RegistrationAll Participants Receive: A custom Flannel Fest “bib”One beer or glass of wine at each of the 5 stopsCustom-made coasterOne raffle ticketVIP Participants Receive: One-hour head startAn extra raffle ticketVIP finish-line foodAdditional surprise perks (to be announced!)VIP finish-line food will be provided by Vatos Tacos and Tequila.Food tickets will be distributed at packet pickup.  🍻 Participating BarsYour crawl will take you through these 4th Street favorites: Wicked Tequila RoomVatos Tacos and TequilaBurke's TavernTom Davis Saloon

Question:  Is it supposed to be DO NOT STOP, or DONUT STOP?  Answer:  YES! Like Running or Walking?  Love Donuts?  This race is for you! Join us for the annual DoNot Stop Half Marathon, 5k/10k! A donut-themed event that is perfect for the whole family. The fun includes - Great Swag - designer shirt & custom medal Chip-timing with live results and awards Free photos Delicious donut waiting at the finish line Plenty of fun! Grab your friends and family, you are not going to want to miss this one! Can't make the race? No problem! We offer a virtual race option where you can run anywhere, at any time, and still earn the fun swag! *Youth-based pricing for the 5k/10k, 12 & Under are only $15 Half - Marathon registration includes a custom bib, designer shirt, and an awesome finisher medal! 10k registration includes a custom bib, designer shirt, and an awesome finisher medal! 5k registration includes a custom bib, designer shirt, and an awesome finisher medal! 1 Mile regis

Unleash your inner superhero at the 14th Annual Beat the Heat event! This year, we're calling all champions to assemble where one of Colorado's favorite trails joins one of its most glorious parks, and support the vital mission of Adaptive Adventures. All course swill send athletes on a heroic journey, following the winding Big Dry Creek Trail southwest, with the half marathon course offering magnificent views of Standley Lake against the epic backdrop of the Front Range. It’s an official BOLDERBoulder qualifying event, so come prepared to put your superpowers to the test and achieve a truly marvel-ous finish time!

We're not hosting this race in 2026 but stay tuned...it may be back in the future! Love the Great Western Trail? Join us for the Lucky Brew Race instead, at Severance Community Park, on March 14th. Looking to run in April? The NOCO Urban Ultra features a 50 Mile and 100 Mile Solo or Relay option! Learn more about our full 2026 schedule at www.gomilesbeyond.com

Question:  Is it supposed to be DO NOT STOP, or DONUT STOP?  Answer:  YES! Like Running or Walking?  Love Donuts?  This race is for you! Join us for the annual DoNot Stop Half Marathon, 5k/10k! A donut-themed event that is perfect for the whole family. The fun includes - Great Swag - designer shirt & custom medal Chip-timing with live results and awards Free photos Delicious donut waiting at the finish line Plenty of fun! Grab your friends and family, you are not going to want to miss this one! Can't make the race? No problem! We offer a virtual race option where you can run anywhere, at any time, and still earn the fun swag! *Youth-based pricing for the 5k/10k, 12 & Under are only $15 Half - Marathon registration includes a custom bib, designer shirt, and an awesome finisher medal! 10k registration includes a custom bib, designer shirt, and an awesome finisher medal! 5k registration includes a custom bib, designer shirt, and an awesome finisher medal! 1 Mile regis

Fairmount Fit Fest (formerly the Fairmount 5K) is back — with more ways for the whole family to join the fun! The 5K is one of Fairmount's favorite long-standing community traditions.  The theme of the event this year is centered around K-Pop Demon Hunters -- celebrating strength, movement & music.  Choose the 5K Run/Walk, the Fairmount Flash (under 1 mile), the Ninja Nation ninja warrior course, or combine a run + ninja for the full experience. Stick around after your event for music, treats, booths, and community fun. Proceeds support student and teacher resources at Fairmount Elementary. Event details Sunday, April 19, 2026 | 8:30am–11:30amFairmount Elementary School5K awards at 9:45am5K participants may also join the Fairmount Flash at no additional costThis year's artwork by Izzy Morales, 3rd Grade | Slogan by Francis Hoyt, 1st Grade Registration options Ninja Nation Course Only (unlimited times through the course) ages 5+Fairmount Flash (under 1 mile run or wa

Welcome to the 53rd running of the Horsetooth Half Marathon, Presented by Fort Collins Connexion. Your race will take you on a scenic point-to-point journey from the location of Hughes Stadium, the former home of the CSU Rams, to the finish line party at New Belgium Brewery. On the way you'll tackle the challenging hills of Centennial Drive along the shorelines of the shimmering Horsetooth Reservoir, before you head for the famed New Belgium Finish Line Party on the downhill Poudre River recreation trail. Whether an elite runner or a first time half marathoner, the Horsetooth Half Marathon offers a challenging yet surprisingly fast course, with a net loss in elevation.

When: April 24, 2026 | Meet up: 5:30pm, Race: 6:30pm, Finals: 7:30pm, End:10pm Where: Little Machine Join us for the fourth round of Hot Laps sponsored by Runners Roost and Citius RC powered by On. The rules stay the same this year, but the course takes steps elsewhere. Teams of four race to complete as many laps as they can in 45 minutes. The top five teams with the most laps progress to a final round where the fastest laps win. Relay teams are mixed gendered and created by racers before they sign up. Each team must have at least one member of the opposite gender (2 girls/2 guys, 3 girls/1 guy, etc.) Teams can pick up race packets the week before at Runners Roost | 1685 S Colorado Blvd J, Denver, CO 80222. Or come early to check-in before 5:50pm on April 24th. Hot Laps takes inspiration from the motor racing world where cars compete on fixed courses to complete as many laps in a set time. Similar to the world of car racing, Hot Laps require teamwork. Mixed gendered teams will compete

Please join us for Our 19th Annual "Run for the One" at Red Leg Brewing Company benefitting our clients and their families affected by Autism in the Pikes Peak Region. April is Autism Awareness Month, please bring your friends and family to join us in supporting our community by walking or running.   Timed 5K: Racers will receive a chipped bib and an event t-shirt on Race Day Participation Medals for all racers Pins will be given to top finishers Start time for Race 10am   Registration info: Race day registration available Limited quantities of shirts available, participants who register after April 16, 2025 are not guaranteed an event shirt   Packet Pick-Up: Race Day packet pick up: 8:30-9:30am at our event location (Red Leg Brewing Company) Pins: Pins will be given for men and women for 1st, 2nd, & 3rd in the following age categories: 13-19 20-29 30-39 40-49 50-59 60+   Pet Policy: https://redlegbrewing.com/child-pet-policy/

🍩🏃‍♂️🍩🏃‍♂️🍩🏃‍♂️ Running for donuts is worth the pain.  You'll get a run for donuts shirt to show off what you run for.   Get ready for a sweet race! Gather your friends and lace up for our annual Donut Run, where you’ll run a beautiful course and be greeted at the Finish Line with... donuts!  Enjoy a fun-filled day of running, laughter, and Community.    Overview:Run will sell-out QUICK! We will close off waves the moment they fill up. If waves are sold out, you can sign-up for the virtual run option or wait list. This is a smaller, private group run with a cap per wave. All paces and ages (under 18 with guardian) are welcome - Run or Walk!   There's no equipment or setup, this is a pure run with our coordinators to support you in a warm, stress-free setting! When you sign-up, we give you the support you need to help you achieve your goals and fitness. We also invite you to be part of our local run clubs that supports your fitness

A road half marathon & 5k in beautiful Estes Park, finishing downtown amidst the infamous Bigfoot Days Festival.Finish in Bond Park surrounded by live music, Bigfoot celebrities, and a FREE festival featuring 50+ vendors and booths.​Once you're done racing, grab your first Lumpy Ridge Brewing beer on us and enjoy a full day of family fun at the festival from 10am-4pm FULL of activities. Bigfoot Days Festival Information Packet Pick UpApril 24, 5-7pm Estes Park Mountain Shop​HALF ONLY April 25 6-7am Estes Park Events Complex​5k ONLY     April 25 8-9am Bond Park NOTE: Half Marathon begins at the Estes Park Events Complex. Shuttles will be running post event. Half runners should Park at the Events Complex 1125 Rooftop Way Our races are CUPLESS - we prefer you to bring a cup you already have or you can purchase one at check in for $5

Welchester Elementary School PTA is proud to host the third annual SOAR 5K!All proceeds support the Welchester PTA with student clubs, enrichment learning, providing resources to classrooms, and creating events that bring families together and build meaningful community. As this event continues to grow each year, we hope to bring even more of the Golden and JeffCO areas together for connection and partnership! The challenging SOAR 5K Run and Walk includes a scenic double loop course around Daniels Park and the Welchester Elementary community. The SOAR KIDS FUN RUN for kids ages 12 and under is a 1K non-competitive event that loops runners through beautiful Welchester Tree Grant Park. This year, we're adding to the festivities with a Kids Activity Village that will include: Jeffco Library-sponsored yard gamesSidewalk Chalk ArtEmergency Vehicle ToursBounce House and Inflatable Slideand more to come... Last day to guarantee your t-shirt size is Friday April 10! Shirt sizes will be lim

Saturday, April 25, 2026Half Marathon, Marathon and 50K all Start at 7:00 a.m. If you want your name included on the finisher's medal ribbon, and to be guaranteed a finisher medal, you must register before March 20, 2026. If registration for a distance is full, email InTheLongRunLLC@outlook.com for possible registration options. The race will be held at Riverdale Regional Park in Brighton Colorado.   A portion of all race proceeds will be donated to Almost Home, Inc. You can also give an individual donation by clicking on the donate button or adding a donation at checkout. The race will be held on a 1.31-mile loop course. The half marathon is 10 laps, the marathon is 20 laps, and the 50k is 24 laps. You're guaranteed a restroom and an aid station every 1.31 miles!  There are also two other restrooms along the course. Prizes will be awarded to the overall top three male and female in each distance (no duplicates) A race specific wicking beanie as well as a custom "scisso

The Manion WOD (Workout of the Day) is a powerful tribute to 1stLt Travis Manion, USMC, designed to unite veterans, families of the fallen, and inspired civilians in honoring one of our nation’s heroes. Hosted by CrossFit boxes, ruck clubs, and gyms nationwide—or completed virtually anytime, anywhere—this workout challenges its participants to push harder, go further, and grow stronger in memory of those who have sacrificed for our freedoms. We can’t wait for you to take part in the 2026 Manion WOD! Gear up to challenge yourself, honor our nation’s heroes, and receive your exclusive 2026 Manion WOD shirt—plus the chance to earn even more exclusive rewards.

The Manion WOD (Workout of the Day) is a powerful tribute to 1stLt Travis Manion, USMC, designed to unite veterans, families of the fallen, and inspired civilians in honoring one of our nation’s heroes. Hosted by CrossFit boxes, ruck clubs, and gyms nationwide—or completed virtually anytime, anywhere—this workout challenges its participants to push harder, go further, and grow stronger in memory of those who have sacrificed for our freedoms. We can’t wait for you to take part in the 2026 Manion WOD! Gear up to challenge yourself, honor our nation’s heroes, and receive your exclusive 2026 Manion WOD shirt—plus the chance to earn even more exclusive rewards.

☕️For all the Coffee Lovers, this run is for you! You’ll love the shirt we send you. Set a goal, bring a friend, and join this super fun 5K/10K/13.1 Half-Marathon!   Overview: Run will sell-out QUICK! We will close off waves the moment they fill up. If waves are sold out, you can sign-up for the virtual run option or wait list. This is a smaller, private group run with a cap per wave. All paces and ages (under 18 with guardian) are welcome - Run or Walk!   There's no equipment or setup, this is a pure run with our coordinators to support you in a warm, stress-free setting! When you sign-up, we give you the support you need to help you achieve your goals and fitness. We also invite you to be part of our local run clubs that supports your fitness journey.  Timing: - Timing is Optional: You may track your time on an app (Strava, RunKeeper, Nike Run, etc) and submit your times with our easy form to be posted online. Or you can ask our coordinators to help keep track of your time.  - N

We are back in person for the furriest 5K in western Colorado! Journey Home Animal Care Center's Strut for Mutt dog-friendly 5K returns on April 25th, 2026! Pricing is $30 for individuals and $55 for a team of 3 (each person added to the team after the 3rd person gets a discounted rate of $20.) Sign up as an individual or as a team to walk, jog, or run with your dog to support shelter animals in need. Registration includes one of our limited-time t-shirts! Thank you to our generous sponsors:

2026 race results will post live at HERE on race day! Information: The American Driving Academy and the Southern Colorado Runners welcome you to the 48th Annual Spring Runoff Sunday, April 26, 2026. Join us for the 48th edition of Pueblo’s oldest and largest running event.  The American Driving Academy, a locale company, is the main sponsor of our race and a portion of race proceeds benefit the Care & Share Food Bank of Pueblo.  We will be collecting non-perishable food items the day of the race.  There will be a monetary award for the overall winners of each race. Kids through 8th grade can run for free in the  Funner To Be A Runner event starting at 10:45 am. Sign up for the event on this link, sign the waiver and get credit for your school. We are offering 3 races of varying distances that should appeal to a wide variety of runners.  The 5K, 10K, and 10 mile race courses all incorporate the beautiful Arkansas River Trail, beginning and ending at Dutch Clark Stadium.  We will be

The Manion WOD (Workout of the Day) is a powerful tribute to 1stLt Travis Manion, USMC, designed to unite veterans, families of the fallen, and inspired civilians in honoring one of our nation’s heroes. Hosted by CrossFit boxes, ruck clubs, and gyms nationwide—or completed virtually anytime, anywhere—this workout challenges its participants to push harder, go further, and grow stronger in memory of those who have sacrificed for our freedoms. We can’t wait for you to take part in the 2026 Manion WOD! Gear up to challenge yourself, honor our nation’s heroes, and receive your exclusive 2026 Manion WOD shirt—plus the chance to earn even more exclusive rewards.

Come run a PR in Adams County. Both races start/finish at Riverdale Regional Park. They run along gently flowing waters of the S. Platte, with wildlife, wildlife sculptures, and mountain views. All racers will get a 50% discount, 1-yr membership, in the Rocky Mountain Road Runners (RMRR) club. Membership includes: Free monthly Trophy Series club race. The TS races use staggered starts, slow to fast, where everyone has a chance to win.Discounts at RMRRs fall Marathon Training Series races.Discounts at local running stores. If you're RMRR membership expired, please rejoin the club first. RMRR members get a discount to the race - taken automatically at checkout.

JOIN US FOR THE 17TH ANNUAL FLYING PIG 5K The Flying Pig 5K is a fundraiser that will benefit children’s programs at Foothills Gateway, including the Family Support Services Program (FSSP).  Join us at Spring Canyon Park on Sunday, April 26 to run, walk, or roll this fun course. Age group prizes will be awarded after the race. Bring the whole family! Kids are invited to join a special Piglet Race with games and prizes!  Race start time is set for 9:00 a.m. Please use the S. Overland Trail entrance for parking and accessing registration. Our starting line will be the same as last year. Both start and finish will be near the covered pavilion on the north side of the park where our sponsors will be located.  Bringing a friend? We will be taking walk-up registrations on race day from 7:30 - 8:45 a.m. The cost for walk-up registration is $40 and race giveaway will only be available while supplies last. Plan for Colorado weather! Let us know if you have question by emailing us at events@

Ready to gallop around Denver with some friends?  Yeah, you are!  Come frolic with us at the Unicorn Runner 5k at Great Lawn Park to kick off your spring running season!  You'll earn a sweet tee shirt and a flashy unicorn finisher medal! It's a 5k distance for all, and whether you walk, trot, canter or gallop, we'll be happy to see you!  This event also features a shorter saunter for those not quite ready to enjoy a full 5k!  The untimed 1/2 mile run is long enough to get your heart rate up and be a 'real run' without being a sprint! Costumes are encouraged and we're holding a COSTUME CONTEST for DIY costume clad participants! Remember to refer your friends and you can earn back up to $20 back from your registration fee (valid only on the 5k distance).  Also - teams of 5 or more each get $5 off their registration.  So form a group and get your buddies to join you today! All the info you need about this event is found on this site - click the menu bar or scroll t

Free race for children 8th grade and younger as part of the annual Spring Run Off.  In past years we've had over 450 kids in these races so please get pre-registered early so all you have to do is pick up a bib race morning. We do have same day registration from 8:30 to 10:30 am. So sign up and pick up a bib no later than 10:30 a.m. Assemble on the football field areas listed by 10:30 a.m.  10:45 a.m.:  50-yard dash for kids Kindergarten and younger (starts on 50 yard line and goes to west end zone)10:50 a.m.:  1.2-mile run for kids in grades 4-8 (gather at BLUE balloons in end zone) 10:55 a.m.:  1.2-mile run for kids in grades 3 and younger (gather at RED balloons in the end zone) 11:15 am:  Kids gather on the field by school for recognizing the top 3 schools with the most kids!  The 1.2 mile run leaves the stadium, down the dirt road to the river trail, goes left (upriver) along the dirt trail, turns around by Wild Horse Creek bridge and returns on the concrete trail to the dirt

Boulder's favorite spring tune-up race series. This family-friendly race is a series of four races Tuesday nights in May at the beautiful Boulder Reservoir in Boulder, CO. The Dash & Dine 5k is a great opportunity to sharpen your racing skills in the Spring and is perfectly timed to get you ready for the Bolder Boulder and placed into the best wave for you, as the race is an official Bolder Boulder qualifier. The Dash & Dine 5k is all about friends, fun, and a family atmosphere. Where else can you have a nice mix of veterans, beginners, and seasoned professionals all racing together?! After each race, you'll have a chance to relax, kick back with friends, and make a few more while enjoying the post-race dinner, awards ceremony, and raffle prizes from our sponsors.

The Friends of the National Center Science Stride 5K will hold its second annual run/walk in the Spring of 2026.   The Science Stride 5k brings together our community for a common cause: Inspiring the next generation of scientists! This event provides an excellent opportunity for everyone who believes in the importance of STEM education to come together and support Friends of the National Center. Runners and walkers of all abilities are encouraged to join!   Are you a remote employee or someone who wants to support our work from afar? Please sign up for our Virtual 5K! You'll run or walk and log your time. You can even join a team and receive a race t-shirt, just like our in person participants!   Your participation in the Science Stride 5K directly supports Friends’ mission is to inspire, support, and educate the next generation of scientists and researchers. Friends is committed to addressing the intricate challenges of our Earth system by ensuring that the cutting-edge research

Calling all Mountain Goats!   Do you have what it takes to join us for our first annual Everest Challenge this May! When: 1-31 May 2026 What: Log Elevation Gain through hiking/running that equals the elevation of Mt Everest (29,032') Log distance of total expedition miles for an added bonus prize! (42.7 miles)   This challenge is meant to get you outside, exploring your backyard and enjoying some good old fashioned vert!  All participants that finish the challenge will receive a Special Finishers Pint Glass and Sticker at the end of Month Celebration Hike to the top of Eagles Peak!

Join us for the Canon City Pregnancy Center’s annual Walk for Life, a meaningful morning of prayer, community, and standing for life and families in Fremont County. This approximately 5K walk will wind through downtown Canon City and along Main Street, offering a peaceful and encouraging opportunity for individuals, families, and church groups to come together in support of life. Rather than a timed race, the Walk for Life is a prayerful walk, where participants are invited to reflect, pray, and celebrate the lives being impacted through the ministry of the pregnancy center. Families, children, strollers, and groups of all ages are welcome to participate. Whether you walk the full route or just part of it, your presence helps proclaim hope and support for mothers, fathers, and babies in our community. Come walk with us as we stand together for life. The Walk for Life takes place before the Blossom Festival Parade, making it the perfect way to start the day. After the walk, participants

🌅Run at Sunrise with pretty scenic views! Start your day — and your journey — with a breathtaking sunrise and fellow runners chasing greatness.   Overview:Run will sell-out QUICK! We will close off waves the moment they fill up. If waves are sold out, you can sign-up for the virtual run option or wait list. This is a smaller, private group run with a cap per wave. All paces and ages (under 18 with guardian) are welcome - Run or Walk!   There's no equipment or setup, this is a pure run with our coordinators to support you in a warm, stress-free setting! When you sign-up, we give you the support you need to help you achieve your goals and fitness. We also invite you to be part of our local run clubs that supports your fitness journey.  Timing: - Timing is Optional: You may track your time on an app (Strava, RunKeeper, Nike Run, etc) and submit your times with our easy form to be posted online. Or you can ask our coordinators to help keep track of your time.  - No timing chips

A local favorite! Runners of all ages and abilities are invited to participate in the 45th Annual High Line Canal Run along the scenic High Line Canal. This race is chip timed and registration includes a post-race pancake breakfast from Flippin’ Flapjacks and a beer garden from Breckenridge brewery as well as professional race photos and awards in 5-year increments.10K begins at 7:30 AM & 5K begins at 9:00 AM

The Greenland Trail Race offers four outstanding distances in southern Douglas County. Run the 4 Miler, the 8 Miler, the 25K, or tackle the 50K ultramarathon, Colorado’s fastest 50K! With Pikes Peak as your backdrop, you’ll cruise over a soft dirt trail on your way to a new personal best. With chip timing, an innovative technical running shirt in men’s and women’s sizing, food and beer at the finish, this race will make you want to come back for more!

One of the most beloved endurance events on the western slope. With a fast and fun singletrack lap located within the “posh environs” of Highline Lake State Park, with its green grass and warm showers, makes this a great race to kick off the season.

Adams County will host its eleventh annual 5K race, and 1 mile fun run on Saturday, May 2nd at the Riverdale Regional Park which is home to the Adams County Fair.  Registration opens at 6:45 a.m., and the 5k race starts at 7:30 a.m.  The Fun Run will start 30 minutes later at 8:00 a.m.  Proceeds from the Foster Care 5K race will benefit the Foster Families of Adams County. Prizes: Prizes will be awarded to the overall top three male and female finishers Course: 5K course through scenic Riverdale Regional Park Registration Fee Includes: T-shirt to 5k pre-registrants; post registrants while supplies last; multiple water stops, and post race goodie bags.