Michigan
Michigan Triathlon Calendar 2026-2027
Monthly updates for Michigan
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Explore the best triathlons in Michigan for 2026-2027! Our updated list features 38 exciting races across the region. Find your next race in Michigan below and join the running community at these great events!
May 2026
Shi-Tri is a run, paddle, and bike triathlon in downtown Owosso, Michigan, along the Shiawassee River, featuring an approximately 3.1 mile run, a 3.1 mile paddle, and an approximately 9 mile bike loop; individual and relay entries are available.
Bear Lake Triathlon in North Muskegon on May 24, 2026 features Sprint and Olympic triathlon, duathlon, aquabike, and relay options. Distances range from 750 m swims to 24 mile bike legs and registration opens October 1, 2025.
A multi-race day at Baldwin Lake on May 30, 2026, with adult sprint triathlon and duathlon, youth triathlon divisions, an adult relay, and a 2.2 mile fun run. Many race elements are visible from a single elevated spectator point.
June 2026
A multi-format triathlon day at Island Lake State Recreation Area near Brighton, MI, featuring Olympic, sprint and super-sprint distances plus aquabike, duathlon, relays and timed practice swims. USA Triathlon sanctioned with on-site food and a Leave..
Grand Rapids Triathlon in Ada Michigan on June 7 2026 offers 21 race options across Super Sprint, Sprint, Olympic and Half distances including triathlon, duathlon, aquabike and swim-only formats. A virtual untimed option runs during June and water av..
A fundraising event in Gibraltar, Michigan combining kayak and stand up paddle tours with 5K and shorter runs to support research into HHT. Lifejackets are required and food and drinks will be available for purchase.
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.
A 15 mile triathlon in Michigan combining a 1 mile kayak, 11 mile bike, and 3 mile run from Mio Pond to Boney Park; individual or two or three person teams, entry includes lunch and a t-shirt.
A multisport event at Lake Arvesta Farms featuring a waterslide swim start, bike courses on roads closed to traffic, and runs across the property. Formats include triathlon, aquabike, duathlon, and 2- or 3-person relays.
A Super Sprint triathlon for first timers ages 12 and up at Byram Lake's Clover Beach in Linden County Park. Short swim, bike and run distances and a competitive FastTry option for more experienced athletes.
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.
The 21st Motor City Triathlon in June 2026 is held on Belle Isle in Detroit and features Olympic, Sprint and Super Sprint triathlons, aquabikes, a duathlon and relay options with varied registration windows and fees.
Experience a women focused multisport event at Waterloo State Recreation Area featuring triathlon, duathlon, and aquabike options. Enjoy scenic paved bike routes and mixed terrain runs followed by a festive 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.
A sprint triathlon on July 11, 2026 in Downtown New Baltimore featuring a 1/2 mile swim, 11 mile bike and 3 mile run. Individual and relay entries compete across standard age divisions with timed results posted online.
Multi-discipline race day in Grand Haven, Michigan on July 12, 2026 offering sprint and Olympic triathlon, duathlon, aquabike and relay options with a swim in Lake Michigan and a run on the city boardwalk.
Multisport event at Willard Beach Park in Battle Creek on July 18, 2026, featuring sprint triathlon and duathlon distances, relay divisions, a Super Sprint for ages 18 and under, and virtual race options.
TriWalloon is a sprint distance multisport event at Walloon Lake, Michigan, featuring swim, bike, run, a duathlon, an aquabike, and relay options. All proceeds support the inner city ministry of Bridge Street Ministries.
TridelSol Olympic Triathlon on July 19, 2026 at YMCA Camp Manitou Lin features a beach swim, bike and lakeshore run; entries are limited to 600 and proceeds support myTEAM TRIUMPH West Michigan.
Tri Millennium in Millennium Park, Grand Rapids on July 25, 2026 offers Sprint and Olympic triathlon formats plus duathlon, aquabike, relay and youth races, with on-site parking and a portion of proceeds supporting Bridge Street Ministries.