Michigan
Michigan Triathlon Calendar 2025-2026
Explore the best triathlons in Michigan for 2025-2026! Our updated list features 29 exciting races across the region. Find your next race in Michigan below and join the running community at these great events!
March 2025
The Sherman Lake YMCA Aqua Dash is an exciting multi-sport event scheduled for March 16, 2025, at the Sherman Lake YMCA Outdoor Center in Augusta, MI. Participants will engage in a 20-minute indoor sw..
The Ann Arbor YMCA Y Triathlon is an indoor triathlon event scheduled for March 16, 2025. This race is designed for participants of all skill levels, including first-timers and those seeking a competi..
April 2025
TRIx3 is an indoor triathlon event taking place at Lakeland Pools and Fitness in White Lake, MI. Scheduled for April 13, 2025, participants can choose between two events: TRI30, which consists of a 10..
May 2025
The Genesis Race, scheduled for May 18, 2025, in Shelby Township, MI, features a variety of competitive events including Olympic and Sprint Triathlons, Super Sprint Triathlon, Duathlon, and Aquabike o..
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 3.5-mile run along a scenic river tra..
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 in Brighton, Michigan, on June 7, 2025. This event features a variety of competitions, including Olympi..
The Grand Rapids Triathlon, taking place on June 7-8, 2025, in Ada, MI, is a premier two-day event that caters to athletes of all skill levels. Recognized as one of the Top 5 Best Triathlons for Begin..
The Motor City Triathlon is a multi-sport event taking place in Detroit, Michigan, featuring a variety of race formats. Participants can choose from an Olympic Triathlon, Sprint Triathlon, Super Sprin..
The River Trail Adventure Triathlon, scheduled for June 21, 2025, in Lowell, MI, features a unique format that replaces swimming with kayaking. Participants can choose between two race distances: the..
The Tri Goddess Triathlon is a vibrant event celebrating women of all abilities, encouraging them to achieve new fitness goals through triathlon participation. 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 Gregory, Michigan, on July 12, 2025. This event features a variety of competitions, including Olympic and Sprint triat..
The Grand Haven Triathlon, scheduled for July 13, 2025, offers a variety of events including Sprint and Olympic Triathlons, as well as Duathlons. Set in the scenic backdrop of Grand Haven, Michigan, p..
The Cereal City Triathlon & Duathlon, scheduled for July 19, 2025, in Battle Creek, MI, is a vibrant multi-sport event held at Willard Beach Park. Participants can choose from various formats, includi..
The Sunrise Side Triathlons & Duathlon is a multi-sport event taking place in East Tawas, Michigan. Scheduled for July 19, 2025, it features a variety of competitions including Olympic Triathlon, Spri..
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 taking place in Indian River, Michigan. Participants engage in a 2.24-mile kayaking segment on the scenic Inland Waterway, followed by..
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..
