Races

BE A VENDOR!   Thank you for your interest in becoming a vendor in RexRun For PAWSitivity 2026! Your support raises funding for the therapy K-9 program in Arapahoe County school systems. These special therapy K-9s serve in the community schools alongside School Resource Officers, providing emotional support to students in crisis and those with special needs.  A 10' x 10' booth space is $125 (tables and chairs are not included). Electricity is not available. Check-in and event set-up begins at 6:00am with event doors opening at 7:00am. You will need to be set up by 7:30am. The event ends at 12pm. Please do not tear down prior to 12pm.  This year we are offering two ways to pay for your booth space, either by check or credit card! By check: You will need to contact Michelle Bird at mbird@arapahoegov.com or call 720-874-4033 to secure a booth space. You will receive an information form to fill out to and mail in with a check of $125. You will sign a waiver at check-in. Please

Join us for the University of Colorado School of Dental Medicine's 6th Annual ASDAsh 5K to Beat Tooth Decay! We are excited to share that our 5K course has been revamped this year to offer a fresh new route through campus. This year, we will be starting and ending at the LIBRARY COMMONS! Additionally, we're introducing the Meatball Mile, featured as mile 2 of the course. This section will be a designated Strava Segment, and there will be a prize for the participant who claims the title of KOM (King/Queen of the Mountain)! [Unsure what a Strava segment is? Check out this link: https://support.strava.com/hc/en-us/articles/216917137-What-s-a-segment]   This Year’s Donation: Veterans Assistance Grant  All proceeds from this year’s event will benefit the Veterans Assistance Grant (VAG), a program dedicated to providing essential support to veterans in Colorado. Your participation helps ensure these brave individuals receive the vital dental care they need through the CU Dental Team

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

Please join us for the Annual Moose Mudder! This is a community event that will consist of an untimed 1k fun walk/run and a timed 5k followed by an optional muddy obstacle course. Get your best time, run for fun, walk with a group, form a stroller brigade, or line the streets to cheer everyone on--Come one, come all as we gather and play as a community on Sunday, May 4th!    This event is a rain or shine event.  All efforts will be made to put the race on, but if weather does cause a cancellation, there are no refunds.     T-Shirt and Antlers are Guaranteed to the first 300 signups! Must be present on race day to receive the T-Shirt and Antlers.

Get ready to lace up your sneakers and join us at the Cherry Creek Race for the Watershed 2026 to support clean water in our communities!   Welcome to the Cherry Creek Race for the Watershed 2026!   Join us for a fun-filled day of running, walking, and most of all, supporting the Cherry Creek Watershed! Lace up your shoes and get ready to hit the trail with friends and family. Whether you're a seasoned runner or just looking for a leisurely stroll, this event is perfect for all ages and fitness levels. 100% of this year's proceeds will be donated to the Colorado Association of Stormwater and Floodplain Managers Scholarship Fund! Come out and show your love for stormwater and the environment while enjoying the great outdoors! Don't miss out on this opportunity to make a difference and have a blast doing it. See you at the starting line! SEMSWA, Splash and the Cherry Creek Stewardship Partners are excited to announce this year's Cherry Creek Race for the Watershed event!

The 7/20 Foundation is proud to present the 5th annual Hero’s Journey 5k Run/Walk. This race makes its way through Aurora's City Center and the High Line canal trail with a start and finish in the 7/20 Memorial Reflection Garden. For those over 21, this race includes admission into the 7/20 Foundation's annual beer festival.      The Hero's Journey represents any person who faces a challenge, encounters struggles to overcome it, and returns home a Hero. We hope this 5k is a transformative experience as you run/walk together; whether you are a veteran runner or this is your first 5k. We chose to start the run across from the theater and end in the 7/20 Memorial Reflection Garden as your return home/finish line to honor the journey from tragedy to hope. It is the perfect place for each of us to honor and celebrate our collective accomplishment as well as our heroes from the July 20, 2012 tragedy.   Proceeds raised through the event will go toward the Zack Golditch Opportunity

RexRun for PAWSitivity 2026 opens at 7:00 am so you can visit with the doggies and get an early peek in the Vendor Marketplace! Our family 5K run/walk event kicks off at 7:50am with the singing of our National Anthem. The 5K trail run begins at 8am and is followed at 8:10am with the 5K walk (dogs are welcome!) and the kid's run at 8:45am. Afterwards, treat yourself to a tasty pancake breakfast (free for all registered participants) at the Flippin' Flapjacks food truck! Throughout the day, we will feature therapy and patrol dog training demonstrations. Be sure to catch our colorful dog costume contest (complete with a prize basket brimming with canine fun) and participate in both our silent and live auctions that are always too good to miss! The Kids Zone will feature inflatable activities, a selection of lawn games, an obstacle course and balloon catapult for family fun. Meanwhile, children can enjoy face painting, and, naturally, snow cones! Don't forget to explore the Ven

Rocky Mountain Road Runners holds a monthly Trophy Series in the Denver area.  We provide a low-key, low-cost racing environment. Everyone is welcome to run with us! The 8mi race uses a handicap start system, slow-to-fast, spread over ~45 minutes. This gives everyone a chance to win. We'll use your estimated finish time to assign you a start time with others the same speed. All 5k racers will start ~15min after the first 8mi starters. Our October race is at Star K Ranch, in Aurora, along the mostly dirt Sand Creek path. Race Day Details Time:   8:30am + handicap start for the 8mi. All 5km racers start ~15 minutes after the first 8mi starter.  Show up 30-45 minutes early to get your bib and warm up!  Location:  Star K Ranch/Morrison Nature Center, in AuroraCourse:  The race runs on the mostly wide dirt path along the Sand Creek.Both courses are out and back, slightly uphill out and downhill back.

Colorado State Youth XC ChampionshipsHosted by the Colorado Coyotes & Elevated Distance Training📍 Aurora Sports Park📅 Open to all athletes ages 6–14 - November 14, 2026 Join us for an exciting day of racing at one of Colorado’s premier youth cross country events! Whether you're racing solo or teaming up with five friends to compete for the team title, this meet is open to everyone — no club memberships (USATF/AAU) required. Event Highlights: 🎖️ Custom die-cast medals awarded to top finishers in each race🏃‍♂️ Professional timing by Colorado Race Timing, with live results🧢 Exclusive event merchandise (tees and hoodies) available during online registration — skip the lines!🔢 Custom race bibs for every participant Race Schedule: 8U Girls & Boys– 9:40 AM9–10 Girls – 10:00 AM9–10 Boys – 10:30 AM11–12 Girls – 11:00 AM11–12 Boys – 11:30 AM13–14 Girls – 12:00 PM13–14 Boys – 12:30 PM Come race with Colorado’s best youth runners and be p