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Huron 100

Grass Lake, United States • 6 Jun 2026

The Huron 100 is a 100-mile point-to-point trail ultramarathon through the Huron River Watershed in Southeast Michigan. It threads nine regional parks, including the Waterloo Pinckney Trail, Huron Meadows, and Proud Lake, offering fast, well-maintained trails with varied scenery. The course is about 82% trail, with roughly 8,200 feet of cumulative elevation gain, a max elevation near 1,100 feet, and a 32-hour cutoff. A 50-mile option (about 93% trail, 4,400 feet gain) is also offered. The race begins at Waterloo State Recreation Area near Portage Lake on June 6, 2026, and proceeds as a community-driven fundraiser for Huron River Watershed. Visit the organization's website for the most recent information.

United States Michigan Grass Lake

Race information

Website
100 mi
8200 m+
100 Miles
50 mi
4400 m+
50 Miles
Visit the organization's website for the most recent information.
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