Michigan
Michigan Triathlon Calendar 2025-2026
Explore the best triathlons in Michigan for 2025-2026! Our updated list features 13 exciting races across the region. Find your next race in Michigan below and join the running community at these great events!
September 2025
The Chesaning Chamber of Commerce Dry-Tri in Chesaning, Michigan, is a community multisport event that starts and finishes at Showboat Park. The course combines a bike leg along back-country roads, a..
IRONMAN 70.3 Michigan takes place in Frankfort, Michigan, on the scenic Betsie Bay. The course features a Betsie Bay swim, a fast bike through flat Benzie County along M-22, and a 13.1-mile run on pav..
Located in Bay City, Michigan, the Driathlon 2025 is a paddle-focused triathlon-style event organized by Bay City Morning Rotary. It features two formats: Team/Relay and Individual Kayak. Distances fo..
The Dirty Mitten Gravel Triathlon is a two-day gravel racing event in Middleville, Michigan. On Saturday, participants compete in a Gravel Bike Race with 10-, 28-, or 50-mile options. Sunday features..
October 2025
The 5th Annual Grand River Color Tour Triathlon takes place in Eaton Rapids, Michigan. The event combines a 2-kilometer kayak paddle, a 15-mile bike ride, and a 5-kilometer run, finishing with a color..
February 2026
The Abominable Snow Triathlon is a unique winter triathlon held at Cannonsburg Ski Area in Belmont, Michigan. This sprint-distance event features trail running (5K), fat tire biking (10K), and cross-c..
March 2026
The 2026 Gaylord All Outdoors Tri 45 Winter Triathlon takes place at Forbush Corners in Frederic, Michigan (4971 W Co Rd 612). This true winter multisport challenge combines three back-to-back discipl..
May 2026
The Shi-Tri is a unique Run/Paddle/Bike triathlon held in Downtown Owosso, Michigan, along the scenic Shiawassee River. Participants start with a 3.1-mile run or walk from Owosso to McCurdy Park in Co..
June 2026
The M22 Challenge is a scenic multi-sport event held in Sleeping Bear Dunes National Lakeshore, Northern Michigan. It features a 2.5-mile run starting on M-109, including a challenging sand dune climb..
The Tri Goddess Triathlon, held in Grass Lake, Michigan, celebrates women of all abilities with a supportive and inspiring community. Set in the scenic Portage Lake Unit of Waterloo State Recreation A..
July 2026
The Cereal City Triathlon and Duathlon is held at Willard Beach Park in Battle Creek, Michigan. The event features a sprint-distance triathlon (500-meter swim in Goguac Lake, 12.4-mile bike, 5K run) a..
August 2026
The Tamarac Tri is a sprint triathlon staged at scenic Fremont Lake Park in Fremont, Michigan. The course features a 750-meter swim, a 12.4-mile bike, and a 5K run, all set on lake and park routes tha..
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