Huron 100
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About the race
Huron 100 is a 100-mile point-to-point trail ultramarathon through Michigan’s Huron River Watershed. The route runs from Waterloo State Recreation Area to Proud Lake Recreation Area, crossing 6 state recreation areas, 2 metroparks and 1 county park across nine regional parks. The course is roughly 80% trail with about 8,000–8,200 feet of cumulative elevation gain and a 32-hour finish window.
A Waterloo-Pinckney 50-mile option offers 83% trail and about 4,300 feet of elevation, with a 15-hour cap. There are 15 aid stations (8 crew-access), and proceeds support watershed conservation. The event is scheduled for June 6, 2026. Visit the organization's website for the most recent information.