Michigan
Michigan Triathlon Calendar 2025-2026
Explore the best triathlons in Michigan for 2025-2026! Our updated list features 23 exciting races across the region. Find your next race in Michigan below and join the running community at these great events!
June 2025
The M22 Challenge is a distinctive run-bike-paddle event held in the scenic Sleeping Bear Dunes National Lakeshore in Empire, Michigan. The race features a 2.5-mile run starting with a challenging san..
The Au Sable Valley Triathlon, held annually in Mio, Michigan, is an intermediate-level event featuring a 1-mile kayak on the Au Sable River backwaters, an 11-mile bike ride on paved roads through the..
The First Try Triathlon, held in Linden, Michigan at Byram Lake's Clover Beach in Linden County Park, offers a welcoming and safe environment for triathletes of all ages. The event features multiple r..
The Motor City Triathlon, taking place on June 15, 2025, at Belle Isle State Park in Detroit, MI, is a premier athletic event celebrating community and endurance. This 21st edition features various ra..
The River Trail Adventure Triathlon, taking place in Lowell, Michigan, is a unique "Dri" triathlon that features kayaking instead of swimming, along with biking and running segments. Participants can..
The Tri Goddess Triathlon is a women-focused event designed to inspire participants of all abilities to achieve their fitness goals through triathlon training. Scheduled for June 28, 2025, in Grass La..
July 2025
The Ann Arbor Tri, Du, & Aquabike is a renowned multi-sport event taking place in the scenic Pinckney Recreation Area at Halfmoon Lake, Michigan. Established in 1986, this triathlon features various r..
The Grand Haven Triathlon, scheduled for July 13, 2025, offers a variety of events including Olympic and Sprint Triathlons, as well as Duathlons. Set in the picturesque Grand Haven, Michigan, particip..
The Cereal City Triathlon & Duathlon is a vibrant multi-sport event taking place in Battle Creek, Michigan, featuring a variety of race formats. Participants can choose from a standard triathlon, duat..
The Sunrise Side Triathlons & Duathlon is a celebrated multi-sport event held in East Tawas, Michigan, featuring a variety of races including Olympic and Sprint Triathlons, Duathlons, and the unique K..
TriWalloon is a popular triathlon event held in Walloon Village, Michigan, featuring a stunning backdrop of Walloon Lake. The event includes various competitions such as a Sprint Triathlon, Duathlon,..
The TridelSol Olympic Triathlon is a multi-sport event taking place at YMCA Camp Manitou Lin in Middleville, Michigan. Scheduled for July 20, 2025, it features a variety of races including Olympic, Sp..
The Indian River Kayak Bike Biathlon is an exciting annual event that combines kayaking and biking, taking place in Indian River, Michigan. Participants will kayak 2.24 miles on the scenic Inland Wate..
TriMillennium is a well-established multi-sport event held in Millennium Park, Grand Rapids, Michigan. It features Olympic and Sprint distance triathlons, duathlons, and aquabike races. The Olympic tr..
The Ugly Dog Triathlon, taking place in Grass Lake, Michigan, is designed to be a beginner-friendly multisport event. Scheduled for July 26, 2025, it features various race formats, including Sprint an..
The Battle of Waterloo 10-Stage Adventure Triathlon is a challenging event set in the scenic Waterloo Recreation Area in Grass Lake, Michigan. This triathlon features two options: the full battle, com..
August 2025
The Michigan Titanium is a premier multi-sport event taking place in Grand Rapids, Michigan, featuring a variety of challenging races from August 10 to August 11, 2025. It includes the state's only 14..
The Race the Straits of Mackinac is an exciting triathlon and duathlon event set against the stunning backdrop of Michigan's iconic Mackinac Bridge. Participants can choose from various events, includ..
The MI Triathlon / Duathlon Championship is a premier multi-sport event taking place at Belle Isle State Park in Detroit. Scheduled for August 31, 2025, this championship features a variety of races,..
September 2025
The White Lake Fall International & Double Sprint is a multi-sport event taking place in White Lake, North Carolina, on September 6-7, 2025. The event features various competitions, including the Inte..
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