Trail Running calendar near Williamston 2026-2027

Ionia Free Fair 5k in Ionia, Michigan on July 16, 2026 offers 5 km and 1 mile distances on a course that connects two trail systems and runs through the Free Fair. Prizes include top five overall and age category medals.

A three day, ten person relay across Michigan that supports the Michigan Special Olympics and local organizations. The 2026 race runs July 17 to 19 and will include returning winners in the Mixed and Open divisions.

Michigan Spartan Event Weekend brings Sprint, Super and Kids obstacle races to Cannonsburg Ski Area July 18 and 19 2026. The courses use steep climbs, descents, trails, bridges and water crossings in a rugged setting near Grand Rapids.

A backyard ultra in Holly, Michigan where runners repeat a 4.167 mile loop each hour until one remains. The course mixes technical single track, park road night loops, camping, and on-site parking.

Team based cross country meet on a 5K course at Richmond Park in Grand Rapids. Includes team and individual registration, a free untimed 1 mile community run and awards sponsored by Gazelle Sports.

A 5K chip timed trail run and an untimed kids and adults fun run at Montrose Orchards on July 25, 2026, with shirts, medals, photos, awards for the 5K, and post race refreshments.

A 5K race on the Hudson High School cross country course in Hudson, Michigan supporting the school’s cross country and track teams. Registration has a $20 fee and awards include overall, master, and age group placings.

Muddy Princess Michigan is a women only 5K obstacle mud run at Rouch Off-Road Vehicle Park on July 26, 2026. The course includes 18 plus obstacles and welcomes women aged 7 and up to run, jog or walk in a non competitive setting.

Three Wednesday evening 5K trail runs at Bloomer Park in Rochester Hills, MI, with chip timing, light post-run refreshments on two dates, a series finisher medal, and a post-series cookout. Single race and full series entry options are avai..

Experience a point to point journey through the Michigan wilderness on the Waterloo Pinckney Trail. Run through forests and meadows before celebrating at a finish line party hosted by Sandhill Crane Vineyards.

A free 32 hour ultramarathon at Pointe Mouillee State Game Area near South Rockwood MI, run on dikes and marsh trails with 8 mile, 4.6 mile, and 4 mile loops. Self supported with a 50 runner limit and vehicle access every 8 miles.

Horning Farms Hustle pairs a scenic 5k and a 1 mile fun run on a working dairy farm in Manchester Michigan. Routes pass crop fields and calves, with medals for all and T shirts for paid entries.

A trail event in Midland City Forest featuring a 10K, 5K and 1 mile walk that benefits local animal shelters. Chip timing, leash-required dog participation, a mid-course water station, and post-race refreshments.

Trail runs of 3.5 miles and 7 miles at Seven Lakes State Park with chip timing, shirts, medals and age-group awards; a virtual 5K option includes shipped race items and a finisher medal.

A community running event at Independence Oaks featuring a 5K and a Cat Walk 1K with pets welcome, on-site family activities, participant medals, and fundraising for two local animal rescues.

A 5k fitness race in Owosso that alternates running segments with functional fitness tests, offered in a prescribed competitive division and a flexible Good Time division. Heats are small and awards and event tanks are provided.

East Lansing event on August 23, 2026 with a timed 5k on mostly grass trails and an untimed 1 mile fun run for kids. Hosted by the East Lansing Educational Foundation; registration fees apply.

Experience the Midland City Forest trails by day or night at the 10th annual Red Moon Trail Run. Choose from various distances marked by LED guides on a flat loop course with professional timing and finisher medals.

A lakeside trail and paved race at Bluebell Beach in Flint on September 5, 2026 offering 3 Mile, 5 Mile, 12.5K and a virtual option. Chip timing, race shirt, finisher medal, age group awards and post race refreshments.

Run Woodstock is a two day trail running festival in Gregory, MI on September 11 and 12, 2026. It features races from 5 miles to 100 miles, on-site camping, live music and yoga, with finisher medals and event merchandise.