Ironman Triathlon: Sunday, September 20, 2026

Park Alert · Sleeping Bear Dunes National Lakeshore · 9/8/2026

Road Closures on September 20, 2026

The race takes place on M-22 and will have a significant impact on local traffic. M-22 will be closed between Esch Road and Frankfort until 2 pm. Lake Michigan Road will not be accessible during the race.

To avoid road closures, exit Lake Michigan Road by 8:30 am via Deadstream Road, Platte Road, or M-22 northbound. Anyone in the area of Lake Michigan Road after 8:30 am cannot depart until after 2 pm.

Source: National Park Service (public domain).