Michigan
Michigan Triathlon Calendar 2025-2026
Explore the best triathlons in Michigan for 2025-2026! Our updated list features 11 exciting races across the region. Find your next race in Michigan below and join the running community at these great events!
November 2025
Join the Sparty Tri in East Lansing on Nov 9, 2025 for a lively indoor triathlon with timed swim, bike and run sessions to test your pace. Proceeds support MSU Triathlon Club's bid for Nationals and racers of all levels are welcome.
February 2026
Brave winter trails at the Abominable Snow Tri at Cannonsburg Ski Area. This multisport event blends trail running, fat tire biking and cross country skiing, offers multiple race options and benefits the Cannonsburg Ski Patrol.
March 2026
Experience winter multisport action on March 7, 2026 at Forbush Corners in Frederic, MI with skate skiing, fat tire biking and a winter trail run. Choose solo, relay teams of 2 to 3, or a bike and run duathlon and enjoy finisher medals and warm snack..
May 2026
June 2026
M22 Challenge in Sleeping Bear Dunes is a scenic multi sport race with a 2.5 mile run, 17 mile bike and 2.5 mile paddle. Test yourself on dunes and lakeshore routes and soak up the friendly festival vibe in mid June.
The Tri Goddess Triathlon, held in Grass Lake, Michigan, celebrates women of all abilities with a supportive and inspiring community. Set in the scenic Portage Lake Unit of Waterloo State Recreation Area, the event offers multiple race formats includ..
July 2026
Join the Cereal City Triathlon and Duathlon at Willard Beach Park on July 18, 2026, offering sprint and duathlon courses, two and three person relays, a youth super sprint and virtual entries. Enjoy a lakeside swim, fast bike and run courses plus a s..
August 2026
Join the Tamarac Tri at Fremont Lake Park on August 15, 2026 for a sprint triathlon or relay team option. Enjoy a 750 meter swim, 12.4 mile bike and 5K run along scenic lakeside roads and trails.
September 2026
Prepare for IRONMAN 70.3 Michigan in Frankfort with PLAYTRI onsite support. Rent race ready bikes, get pro tune ups and bike packing services from experienced mechanics so you can focus on race day.
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