Benzie County

Platte River Campground

From Recreation.gov

The Ironman Michigan triathlon will be taking place **Sunday, September 20, 2026.** The bike course takes place on M-22 and will have significant impact on local traffic. M-22 will be closed from 8:30 am to approximately 2 pm between the City of Frankfort and Esch Road. * **To avoid road closures, arriving campers should not arrive before the scheduled check-in time of 2 pm.** * **To avoid road closures, departing campers should exit by 8:30 am via Deadstream Road, Platte Road, or M-22 northbound. Southbound M-22 will be closed.**