Trail Running calendar near Chelsea 2026-2027

We have found 38 Trailruns within 80 miles of Chelsea. See below where and when you can find the races.

Run or walk the Butterflies & Bouquets 5K on July 11 in Wauseon, a family friendly route through wooded trails and park meadows. Stay after for food trucks, refreshments, prizes and a hands on pollinator garden workshop.

Run through blueberry bushes at Montrose Orchards on July 25, 2026 with a scenic off road 5K and a family friendly fun run. Enjoy timed results, a dri fit shirt, finisher medal, race photos and seasonal treats.

A three-date Wednesday evening trail series at Bloomer Park in Rochester Hills featuring a marked 5K loop, light snacks on two dates, a post-series barbecue on August 19 and prizes including ERC gear.

August 2026

Take on scenic trails and lakeside views at Seven Lakes State Park on August 15, 2026 with 3.5 mile and 7 mile courses or a virtual entry. Trail shoes are encouraged for rolling terrain and roots, and all finishers get a tech shirt, medal,..

Join the third annual Tails & Trails 5K at Independence Oaks in Clarkston for a family friendly run or walk where leashed pets are welcome. Enjoy trail scenery, a kids Cat Walk, vendors, and fundraising for local animal rescues.

September 2026

Run scenic trails around Mott Lake and the Flint River with 3 mile, 5 mile, 12.5K and virtual options for all abilities. Race day chip timing, a tech shirt, finisher medal, awards and post race refreshments make it a fun community event.

Run Woodstock is a two day running festival in Gregory, MI on September 11 and 12, 2026 that blends forest trail races with live music, yoga and on site camping. Distances range from 5 miles to 100 miles, with peace sign medals for finisher..

Get muddy at the Dirty Mitten Trail Run, a lively 5k through single track, fields and gravel roads at YMCA Camp Manitou Lin. Join Dirtfest Weekend in Middleville for scenic trails, festival vibes and great post race fun.

Run the Campfire 5K at Skyline Camp in Almont for scenic trails, woods and panoramic high point views. Enjoy chip timing, a unique finisher medal and post race s'mores and coffee for a cozy, family friendly race day.

Experience the Rooted Half Marathon and 5K at Orion Oaks Park on wooded, gently rolling trails with onsite and virtual options. Dogs are welcome in the capped Doggie 5K and all finishers get swag and race day fun.

October 2026

Hit the trails at the 9th annual Timber Trails 5K at Fitzgerald Park on October 10, a scenic grass, gravel and wooded course with rolling hills and live timing. All ages welcome and proceeds support Eaton County trail development.

Join the third annual Meecheway 5K Trail Color Run in Defiance on October 10 for a fun, colorful trail run that supports Black Swamp Area Council Scouting programs. Enjoy a race shirt, treats and friendly competition for all ages.

Join Miles at the Moose on October 10 for a family friendly 1K and 5K at scenic Moose Ridge Golf Course benefiting the U of M Rogel Cancer Center. Enjoy rolling fairways, commemorative hats and medals and post race donuts and cider.

Run or walk through peak fall colors at Independence Oaks in Clarkston, MI on October 10, 2026, on scenic wood chip and hardwood forest trails. Choose 2.5, 5.5 or 8.5 mile routes that start and finish at the same trailhead.

November 2026

Join the Waldenwoods Turkey Trot, a scenic 5K around Lake Walden at Waldenwoods Resort in Howell MI on Sunday November 1 2026. All proceeds benefit Hartland Area Project and runners get a shirt, goodie bag and raffle chances.

Run a scenic 5K and the free Muskrat Mile through Woldumar Nature Center's woods and riverfront on natural trails. Family friendly with kids activities, finisher medallions, shirts and post race refreshments.

Turkey Trail Trot and Leftovers Race at Stony Creek Metropark is a two day Thanksgiving weekend trail run with multiple distances and virtual options. Bundle both days for connecting medals and help support Meals on Wheels and park trails.

Black Toenail Friday closes out the Trivium Michigan Mega Medal Series on November 27, 2026 at Proud Lake State Recreation Area, with half marathon and 7.5 mile trail options through woods, lakes and rolling hills. Celebrate with campfires,..