Ironman 70.3 Michigan
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IRONMAN 70.3 Michigan
IRONMAN 70.3 Michigan is scheduled for September 20, 2026 in Frankfort, Michigan on the shores of Lake Michigan. The event uses Betsie Bay for the swim start and finish, with the swim area located next to the transition zone. The bike course follows historic highway M-22 and surrounding roads in Benzie County. The run covers 13.1 miles made up of two out-and-back loops on paved trails and roads.
Course notes list the swim on a lake and describe both the bike and run as rolling. Average environmental figures provided for the event show a high air temperature around 52 °F / 17 °C, a low near 39 °F / 10 °C, and an average water temperature of about 65 °F / 18 °C. The event materials highlight lakeshore views and sunsets from the pier along the course.
IRONMAN 70.3 Michigan has been recognized in IRONMAN Athletes’ Choice results. The event received Athlete Choice accolades in 2022, 2023 and 2024 and is listed as a 2025 Athletes’ Choice Award Winner for Best Bike in North America and 5th Best Bike globally. Additional athlete survey rankings include high placements for most recommended and best bike categories both globally and in North America. Visit the organization's website for the most recent information.
