Ironman 70.3 Michigan
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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 uses Betsie Bay with both the swim start and finish located next to the transition area. The bike course travels on historic highway M-22 and surrounding roads in Benzie County. The half marathon run covers 13.1 mile and is made up of two out-and-back loops on paved trails and roads that pass near Betsie Bay.
The event is scheduled for September 20, 2026. Reported environmental figures for the event include an average water temperature of 65 °F (18 °C), a typical high air temperature of 78 °F (25 °C), and a typical low air temperature of 58 °F (14 °C). The race has been recognized in athlete surveys and awards: it is an IRONMAN Athletes' Choice Awards winner and was listed among top events for bike quality and recommendations in the IRONMAN athlete rankings. General registration for the event is listed as sold out.
The course description notes paved trails and roads for the run and a bike route along scenic county roads. The race location is presented as a lakeside resort town with lakeshore views and a pier that is visible from parts of the course. Visit the organization's website for the most recent information.
