Michigan Triathlon Calendar 2026-2027

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Monthly updates for Michigan

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Explore the best triathlons in Michigan for 2026-2027! Our updated list features 34 exciting races across the region. Find your next race in Michigan below and join the running community at these great events!

July 2026
Join this multi sport event at Millennium Park featuring flat and fast courses with shallow waters. All proceeds benefit local urban ministry programs in Grand Rapids.
August 2026
Join a small community triathlon at Fremont Lake Park featuring a 750 meter swim, 12.4 mile bike ride, and 5K run. This event offers individual and relay options with a swim course that accommodates flotation aids.
This unique Dry-Tri combines cycling, running, and paddling through Chesaning's scenic parks and backroads. Starting and finishing at Showboat Park, participants provide their own bike and kayak for the adventure. A separate 5K run/walk offers a simp..
Michigan Titanium on August 16, 2026 in Grand Rapids features multisport options from sprint and Olympic distances up to the 140.6 mile Ultra Triathlon; formats include duathlon, aquabike, relays, swim-only races and a virtual MiTi Solo event.
A full day of triathlon and multisport races in Mackinaw City on August 16, 2026, featuring swims beneath the Mackinac Bridge and bike and run routes that pass Wilderness State Park and historic Fort Michilimackinac, finishing in Fort Mackinac Park.
Triathlon events at Versluis Park in Grand Rapids on August 16, 2026, include Captain and Angel Sprint Tri entries plus volunteer slots. The event is part of Michigan Titanium and offers race options up to the 140.6 mile full triathlon.
The Barron Lake Triathlon in Niles, Michigan, offers a sprint distance event and kids' races around the scenic lake. Participants can tackle a 500-yard swim, 15-mile bike, and 5K run individually or as a team. Youth events provide shorter distances f..
September 2026
Experience an intimate sprint triathlon through the scenic parks of Lake Orion. This event features a freshwater swim, mixed terrain cycling, and a forested trail run limited to 100 participants.
Experience a scenic triathlon in the lakeside town of Frankfort featuring a swim in Betsie Bay and a bike course along historic highway M22. This event offers a fast course through the Michigan countryside.
Last TRI at Stony Creek Metropark on September 20, 2026 offers multiple triathlon, aquabike, duathlon and relay events with a closed bike course and an emphasis on safety amid park scenery.
The Dirty Mitten Gravel Triathlon is a multisport event based at Camp Manitou-lin in Michigan. It features sprint and Olympic distance options, including triathlon, duathlon, aquabike, and relay formats. A virtual participation option is also availab..
Experience a unique multi sport event in Bay City featuring a 5K paddle, 20K bike, and 5K run. Compete individually in the kayak division or join a partner for the canoe team and relay categories.
October 2026
This autumn triathlon in Eaton Rapids features a 2k kayak, 15-mile bike, and 5k run. Participants are sprayed with colored powder during the final running leg. Options include a relay team event or a standalone 5k run.
March 2027
Experience a unique winter challenge in Frederic, Michigan, featuring a skate ski, fat-tire bike ride, and trail run. Join as a solo athlete or a relay team for a memorable multisport adventure in the snow.