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!

March 2026
The Ann Arbor YMCA Indoor Triathlon features a timed swim, bike, and run, all held inside the YMCA. Participants join small waves and are scored on distance covered. The event concludes with a Recovery Zone and supports community programs.
May 2026
A run, paddle and bike triathlon in Downtown Owosso combining an approximately 3.1 mile run, a 3.1 mile paddle and a 9-mile bike loop. Open to individuals and 2-3 person relay teams and supports the Friends of the Shiawassee River.
Bear Lake Triathlon in North Muskegon on May 24, 2026 offers Sprint and Olympic triathlon, duathlon, aquabike, and relay categories. The event includes participant shirts, finish line food, on-site ambassadors and lifeguarded swim sections.
An early-season multisport event in Greenville centered on Baldwin Lake. It features adult sprint triathlon and duathlon races, plus youth divisions and a relay option. Spectators can enjoy a unique view of almost the entire course from an elevated t..
June 2026
Experience a sanctioned multisport event at the Island Lake State Recreation Area. Choose from triathlon, duathlon, and aquabike distances featuring a swim in Kent Lake and scenic routes through rolling forested hills.
Experience a scenic riverside course in Ada, Michigan, with 21 event options ranging from Super Sprint to Half distances. This beginner friendly triathlon weekend features wetsuit legal swims and a flexible registration policy.
Join a unique multi sport event in Gibraltar featuring a scenic paddle around the island followed by a 5k run to support HHT research. Choose between kayaking, stand up paddle boarding, or traditional running events on the Lake Erie waterfront.
Experience a unique multi sport event featuring a sand dune run, a scenic 17 mile bike ride, and a paddle across Little Glen Lake in the Sleeping Bear Dunes National Lakeshore.
This triathlon in Michigan's Huron National Forest features a 1-mile kayak, 11-mile bike, and 3-mile run from Mio Pond to Boney Park. You can race individually or on a team, and the entry fee includes lunch and a shirt. It's a fundraiser supporting l..
Dive into the South Haven Triathlon with a unique start down a 240-foot waterslide. This sprint event at Lake Arvesta Farms offers a closed bike course and a flat run. Choose from triathlon, aquabike, duathlon, or relay formats for an adventurous rac..
This triathlon at Linden County Park features a 300-yard lake swim, an 11.3-mile bike loop, and a 2-mile run. It offers categories for both adults and youth, with waves starting every three minutes. All adult finishers receive a medal.
Experience West Michigan's unique Dri Triathlon featuring kayaking instead of swimming. Choose between two distances and compete individually or as a relay team through a mix of trails and roads in Lowell.
Motor City Triathlon on June 21, 2026 at Belle Isle State Park in Detroit offers multiple race formats from Olympic distance to super sprint, aquabike and relays, with closed coned lanes and river and city skyline views.
Experience a women's triathlon event featuring various distances at the scenic Waterloo State Recreation Area. Join a community of athletes for lake swims and rolling hills followed by a post race pancake breakfast.
July 2026
Experience a classic multi sport event at Michigan's Pinckney Recreation Area. Choose between triathlon, duathlon, and aquabike distances featuring open water swims and scenic trail runs.
Experience a scenic multisport event in Grand Haven with swimming in Lake Michigan and running along the City Boardwalk. Choose from triathlon, duathlon, or aquabike formats in sprint and olympic distances.
This Battle Creek event features a classic sprint triathlon and duathlon at Willard Beach Park. Relay teams are welcome, and a shorter Super Sprint is offered for younger athletes. All participants get a shirt, medal, and a post-race meal.
TriWalloon is a sprint-distance multisport festival on Walloon Lake. Events include triathlon, duathlon, aquabike, and relay options on scenic country roads. All proceeds support Bridge Street Ministries.
Event Overview The TridelSol event is a multisport competition held at YMCA Camp Manitou-Lin in Middleville, Michigan. The event features a variety of distances and formats centered around swimming, cycling, and running. Distances and Formats The eve..
Event Information The Tri Millennium is a multisport event held in Walker, Michigan. It takes place over two days in late July. The event features various formats: triathlon, duathlon, and aquabike in both Sprint and Olympic distances. There are also..