Ironman 70.3 Michigan

SEP
20
2026
A half distance triathlon in Frankfort, Michigan with a Betsie Bay swim, a bike route along historic M-22 and a 13.1 mile two-loop run. The event has received multiple Athletes' Choice Awards.
Sun 20 Sep 2026
Run 70.3 Ironman

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IRONMAN 70.3 Michigan

IRONMAN 70.3 Michigan takes place in Frankfort, Michigan, on the shores of Lake Michigan. The swim is held in Betsie Bay with both the swim start and finish located next to the transition area. The setting includes lakeshore views and a pier known for sunsets.

The bike course traverses historic highway M-22 and surrounding roads in Benzie County and includes rolling and flatter sections. The run covers 13.1 miles arranged as two out-and-back loops on paved trails and roads. Course descriptions note smooth and approachable conditions and a mix of rolling terrain.

The event has received Athlete Choice recognition across multiple years and was named an Athletes’ Choice Award winner, including acknowledgements for its bike course. The event sold out in 2024 and has attracted strong athlete interest in subsequent years. The host town is described as resort-like, offering beach access and Main Street amenities for visitors and families. Visit the organization's website for the most recent information.

70 mi
70.3 Ironman
13 mi
Run
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