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OCT 25

the overGRound marathon/relay

Grand Rapids, MI
The overGRound is a free, unsanctioned marathon and marathon relay through the city of Grand Rapids whose route showcases the variety of GR’s features and neighborhoods (beyond Butterworth and Millennium). This is an inclusive, supportive, and free running event celebrating community and a grassroots, no frills spirit of running and free fitness. It is a co-hosted event featuring the many wonderful running and fitness communities of Grand Rapids. Together, participating clubs can invite people out to run, cheer, and support runners on the course. The public is warmly welcomed to participate. This will be the third running of the overGRound, the first (known) marathon held fully within GR city limits. Once again, it will be hosted by local participating clubs—to be announced soon!  This year the overGRound will be held October 25, 2026 at 8am, starting and ending at Veterans Memorial Park. The [subject to updates!] carefully designed course passes many coffee shops, a variety of neighbo
Marathonrelay
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JAN 9

Time Travel Half-Marathon/5K/10K - Ann Arbor

Ypsilanti, MI
🚀 Ready, Set... Time Travel! 🕰️ Lace up your sneakers and prepare to dash through the Time Travel Half Marathon (5K/10K) — a family-friendly race that’s truly timeless! Whether you're a future sprinter or a blast-from-the-past jogger, this event is all about fun, fitness, family, and a little bit of funky flair. Costumes encouraged, time machines optional. Let’s run — one epic mile at a time! *Youth-based pricing for the 5k/10k, 12 & Under are only $17! Half Marathon registration includes a custom bib, super soft tee, awesome finisher medal! 10k registration includes a custom bib, super soft tee, and an awesome finisher medal! 5k registration includes a custom bib, a super soft tee, and an awesome finisher medal! 1-mile registration is untimed and includes a custom bib, super soft tee, and an awesome finisher medal! The kid's dash is a fun, untimed dash for our kiddos ages 10 and under. Registration includes a mini bib, youth-sized t-shirt, and a specifically crafted medal for our kids' dash event! (If your child wants to run the kid's dash, and doesn't want the SWAG, they are welcome to run with us on race day for free!) *Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!
5K10KMarathon
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JAN 10

Time Travel Half-Marathon/5K/10K - Grand Rapids

Grand Rapids, MI
🚀 Ready, Set... Time Travel! 🕰️ Lace up your sneakers and prepare to dash through the Time Travel Half Marathon (5K/10K) — a family-friendly race that’s truly timeless! Whether you're a future sprinter or a blast-from-the-past jogger, this event is all about fun, fitness, family, and a little bit of funky flair. Costumes encouraged, time machines optional. Let’s run — one epic mile at a time! *Youth-based pricing for the 5k/10k, 12 & Under are only $17! Half Marathon registration includes a custom bib, super soft tee, and an awesome finisher medal! 10k registration includes a custom bib, super soft tee, and an awesome finisher medal! 5k registration includes a custom bib, a super soft tee, and an awesome finisher medal! 1-mile registration is untimed and includes a custom bib, super soft tee, and an awesome finisher medal! The kid's dash is a fun, untimed dash for our kiddos ages 10 and under. Registration includes a mini bib, youth-sized t-shirt, and a specifically crafted medal for our kids' dash event! (If your child wants to run the kid's dash, and doesn't want the SWAG, they are welcome to run with us on race day for free!) *Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!
5K10KMarathon
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JAN 10

Time Travel Half-Marathon/5K/10K - Lansing

Lansing, MI
🚀 Ready, Set... Time Travel! 🕰️ Lace up your sneakers and prepare to dash through the Time Travel Half Marathon (5K/10K) — a family-friendly race that’s truly timeless! Whether you're a future sprinter or a blast-from-the-past jogger, this event is all about fun, fitness, family, and a little bit of funky flair. Costumes encouraged, time machines optional. Let’s run — one epic mile at a time! *Youth-based pricing for the 5k/10k, 12 & Under are only $17! Half Marathon registration includes a custom bib, super soft tee, awesome finisher medal! 10k registration includes a custom bib, super soft tee, and an awesome finisher medal! 5k registration includes a custom bib, a super soft tee, and an awesome finisher medal! 1-mile registration is untimed and includes a custom bib, super soft tee, and awesome finisher medal! The kid's dash is a fun, untimed dash for our kiddos ages 10 and under. Registration includes a mini bib, youth-sized t-shirt, and a specifically crafted medal for our kids' dash event! (If your child wants to run the kid's dash, and doesn't want the SWAG, they are welcome to run with us on race day for free!) *Register by midnight on Thursday, two Thursdays before race day, to guarantee your shirt!
5K10KMarathon
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FEB 5

Groundhog Day Marathon

Walker, MI
We’ve all heard of Punxsutawney Phil, the little furry guy in Pennsylvania who comes out, sees his shadow, and declares six more weeks of winter. Then there’s Augustus T. Groundhog, better known as Grand Rapids Gus. He’s Phil’s much more interesting cousin. Unlike Phil, who it seems can only see shadows, Gus has much better eyesight and can look at a calendar on February 2 and know that spring doesn’t start for six weeks. Gus suggested that instead of lamenting over six more weeks of winter, we should EMBRACE the cold and snow and do something fun. And so, the Groundhog Day Marathon was born. The modified course for 2024 was pretty popular. We've certified the new course, so we'll be starting behind the pavilion this year again. Looking forward to seeing you in 2027! EARLY START--If you're planning to be running more than about 6 hours, please start at the 7:00 am early start. The normal start is at 8:00 am The Basics It’s a winter running event, outside Grand Rapids Michigan. YES! THERE WILL PROBABLY BE LOTS OF SNOW ON THE COURSE. The Friday and Saturday beginning of February. In 2027, it's February 5-6. It’s more fun than you should have with your clothes on. (And we DEFINITELY suggest you keep your clothes on!) Our Events Friday - Moonlight 1/6 Marathon on Groundhog Eve: WORLD CHAMPIONSHIP 1/6 MARATHON! Hey, we’re going to be set up anyway, no sense in just long-distance people having all the fun. Two loops of the course. 6:30 p.m. Friday. 300 Runner limit. Saturday - Marathon: Like the movie, you’ll feel like you’re repeating the same day over and over. A beautiful, snowy (we hope), approximately 2.2 mile course. Splits every 1/12th of a marathon. 8:00 a.m. Saturday. 500 Runner limit combined for full and half marathons Saturday - Half Marathon: For those of you who couldn’t stay awake through the whole movie. Only six times around. Course Ever see the movie? The course will give you the opportunity to relive the same day several times. A total of 12 loops of approximately 2.18 miles on a CERTIFIED course (Yes! You can qualify for Boston!) will have you feeling just a little case of deja vu. Aid stations at 1 mile plus the finish line area. Don’t plan on the course being free of snow. It’s paved, which means no underlying rocks and roots, but that’s about all we’re promising. Swag - Every participant will get an awesome hoodie, finisher medal. Whole and Half-Hog get a stocking cap as well. Training Partner - And our Official Training Program for Groundhog RunGR is our largest local running club and has multiple coaches, who provide training programs for all of our races. With a club of more than 300 runners, the club provides a great opportunity to not only get a coaching plan, but also do your training with a large group of local athletes. RunGR will be offering a training plan, specific to Groundhog distances, as well as a prorated membership, known as their FAST program, so you can try out the club for 20 weeks. https://rungr.com/ For our Official Training Program, CLICK Hotels & Travel. Our airport is GRR. Look for hotels HERE This is a middle of the freakin' winter thing. Weather could suck. (Usually does.) You do know we're in Michigan, right? So register at your own risk. There are no refunds, deferrals until Friday of race weekend, no transfers. If there's a snowstorm of Biblical proportions, we'll have a snow date the next Saturday. If it's still not possible to hold the event, we'll give people registered for this year a 50% credit on next year's event. You can transfer from one event to another--look yourself up and bring up your record. You'll have to pay the difference between the events. No refunds. Contacts: (Note--if you write with a question that's very plainly stated on the page, the email may get a low priority) Race Director: Don Kern donkern1@gmail.com 616 293 3145 Volunteer Coordinator: Stephanie Cornwell, happy.steph.1976@gmail.com Mailing Address: 1170 Oakburn Ave SE Grand Rapids, MI 49546
Marathon
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MAR 7

White Pine Thaw Marathon Relay

Comstock Park, MI
The White Pine Thaw Marathon Relay will be Sunday, March 22nd, starting in Comstock Park, Michigan, on the southern most section of the Fred Meijer White Pine Trail. It's held annually on the second Sunday of March. Competitors form teams of runners and on race day, will each take a leg of the relay, covering 13.1 miles, north to Russel Road, where the course returns back south to Comstock Park. There are easily accessed parking lots and bathrooms, roughly every four miles. The trail is routinely plowed by Friends of The White Pine Trail and covers very few low traffic crossroads.
Marathonrelay
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APR 10

LivSports 24 Hour Adult Hockey Marathon - MSU

East Lansing, MI
What is the LivSports 24 Hour Adult Hockey Marathon benefiting LivFree? Here’s how it all works - the event is a continuous game with 60 to 90 skaters playing on two teams in 3 rotating groups based on ability with a running score from opening puck drop to the final horn. Each player raises $1000 dollars for the cause. LivFree is a pediatric cancer non-profit organization that provides children and their families with moments of joy to take a break from struggle and enjoy some family time together. Whether it's tickets to a game, a broadway show, a night out - LivFree is here to help the whole family.  When will this take place and how does it work? The event starts at 2pm on Saturday, April 18th, 2026 and the final horn will sound at 2pm, Sunday April 19th. Teams will be broken up into 3 groups (A, B, and C) based on ability and each skater will get a minimum of 6 hours of ice time. The standard swag for each player will be a custom jersey, synthetic hockey socks, event hoodie, me
Marathon
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APR 24

2026 Zeigler Kalamazoo Marathon

Kalamazoo, MI
We're excited to drive a healthy community at the Zeigler Kalamazoo Marathon and events weekend with YOU!  Mark your calendars for the weekend of April 25 and 26, 2026! The 2026 Zeigler Kalamazoo Marathon will return to Kalamazoo's iconic Bronson Park!  All routes are USATF certified with the full and half marathon routes also certified as Boston Marathon qualifiers! Be sure to check out the FAQs for all official procedures and policies regarding animals, age limits, and more. PNC Kids' 1K - The PNC Kids' 1K will be held downtown Kalamazoo on Saturday, April 25, 2026 - 9am Packet Pick-up; 10am 1K start. PNC Kids' 1K (Only) Early Packet Pick-Up Thursday, April 23, 2026Time: 4:00-7:00 PM   Location: Gazelle Sports Downtown Kalamazoo Zeigler Kalamazoo Full Marathon; Marathon Relay; Half Marathon; Half Marathon Relay; 10K Run; and 5K Run/Walk!  Packet Pick-Up -  Date: April 25; Time: 9:00 AM - 6:30 PM; Location: Bronson Park Downtown Kalamazoo (Expo closes at 4 PM, howe
Marathon
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AUG 29

Millennium Meadows Marathon

Grand Rapids, MI
Welcome!  For 2026, Millennium Meadows Marathon is proud to be hosting its 9th year! We will feature a Full Marathon, Half Marathon, 10k, and Marathon RELAY. All four events will take place Sunday, August 30th.  Again this year we are offering a referral program! Once you register you'll see a referral link that you can share via social media or email, with whoever will signup. Once they register using that code, YOU will be refunded $5 per person. It's good for as many times, until your registration is fully refunded! Who doesn't love money back? Secchia Meadows provides the perfect course for a team relay, with each relay leg being roughly 4 miles. Round up a team and come compete. We'll set up a relay row, where teams can place tents and have a great time.  Millennium Meadows Marathon events occur at Secchia Meadows in Millennium Park, one of the many Kent County Parks and what we think is the most scenic and beautiful. You will run on a wide and paved path that cros
Marathon
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SEP 12

2026 Holland Haven Marathon

Holland, MI
Sunday September 13, 2026 Holland Haven Marathon XIII: Running - Community - Celebration The Holland Haven Marathon offers runners a scenic experience along Lake Michigan, starting in Grand Haven and finishing in downtown Holland. This USATF certified marathon takes place in early September, providing mild weather and a final chance to qualify for the Boston Marathon. The Holland Haven Half Marathon starts at Camp Geneva and follows a picturesque route along Lakeshore Drive into Holland, featuring a mostly flat course on paved paths. The 8K Race serves as a perfect introduction to longer distances, with a flat, out-and-back course suitable for both novice and experienced runners. Holland Haven runners can also join virtually, earning a commemorative race medal regardless of their race-day attendance.  Our 2026 event celebrates America's 250th birthday, honoring running, community, and national pride along one of West Michigan's most scenic routes. Creating beautiful memories fo
Marathon
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