Michigan
Michigan Triathlon Calendar 2025-2026
Explore the best triathlons in Michigan for 2025-2026! Our updated list features 26 exciting races across the region. Find your next race in Michigan below and join the running community at these great events!
May 2025
The Genesis Triathlon, taking place at Stony Creek Metropark in Shelby Township, MI, is an exciting multisport event designed for athletes of all levels. Participants can choose from various race form..
The Shi-Tri is a community-focused triathlon event taking place in Downtown Owosso, Michigan. Participants can engage in a Run/Paddle/Bike format, starting with a scenic 3.5-mile run along the river t..
The Bear Lake Triathlon, held in North Muskegon, MI, is a popular early-season event featuring a variety of races including Sprint and Olympic distance triathlons, duathlons, aquabikes, and relays. Th..
The Tri Greenville Triathlon & Duathlon is an exciting early-season event taking place in Greenville, Michigan, featuring a variety of races suitable for all ages and skill levels. Participants can ch..
June 2025
The Island Lake Triathlon, Duathlon, and Aquabike, organized by Epic Races, is set to take place at the Island Lake State Recreation Area in Brighton, Michigan. This event features a variety of races,..
The Grand Rapids Triathlon, taking place over two days in June 2025, offers a variety of events suitable for athletes of all skill levels. Recognized as one of the Top 5 Best Triathlons for Beginners,..
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 prominent multi-sport event held in Millennium Park, Grand Rapids, Michigan, featuring Olympic and Sprint distance triathlons, duathlons, and aquabikes. The Olympic race includes a..
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..
