Huron 100

The Huron 100 is an endurance running event held in Grass Lake, Michigan, featuring a 100-mile race and a 50-mile option called the Waterloo-Pinckney 50. Both are point-to-point courses traversing the Huron River Watershed, covering multiple state recreation areas, metroparks, and a county park. The 100-mile race consists of 80% trail with about 8,000 feet of elevation gain, supported by 14 aid stations, while the 50-mile race is 83% trail with 4,300 feet of elevation and 8 aid stations.

The event emphasizes environmental stewardship, aiming to be cupless and zero waste, with proceeds benefiting watershed protection. Awards include belt buckles and medals for finishers. Visit the organization's website for the most recent information.