Ironman 70.3 Michigan
Always double-check with the organizer's website! This page may contain affiliate links.
IRONMAN 70.3 Michigan
IRONMAN 70.3 Michigan is held in Frankfort, Michigan, on the shores of Lake Michigan. The race uses Betsie Bay for the swim, with the swim start and finish located next to the transition area. The bike course follows historic highway M-22 and surrounding roads through Benzie County. The run is a 13.1 mile course composed of two out-and-back loops on paved trails and roads around Betsie Bay.
Typical conditions provided for the event list daytime highs near 78 °F (25 °C), lows near 58 °F (14 °C), and an average water temperature around 65 °F (18 °C). The event has received multiple Athletes’ Choice Awards, including recognition for its bike course. The race has sold out in previous years and has experienced strong registration demand.
Event information published for race week includes course maps, race rules, and athlete resources such as pre-race and race-week guides. The venue is described as a lakeside town setting with shoreline views and access to local amenities. The course layout places swim, transition, and spectator areas close to one another along Betsie Bay and routes travel both coastal roads and inland county roads. Visit the organization's website for the most recent information.
