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The Hennepin Hundred

Sterling, United States • 4-5 Oct 2025

The Hennepin Hundred is a premier ultramarathon held in Sterling, Illinois, featuring 100-mile, 50-mile, 50K, and 100-mile team relay races. The point-to-point course follows the scenic, flat, and fast Hennepin Canal State Trail, Illinois’ longest multi-use trail, stretching from Sterling to Colona along historic locks, lift bridges, and picturesque farmland. Aid stations are spaced every 3-7 miles, providing strong support for runners. The event offers unique race swag including finisher flannels and belt buckles, and serves as a Western States 100 qualifying race with a 30-hour cutoff. The race atmosphere is friendly and well-organized, with enthusiastic volunteers and a vibrant community spirit. Visit the organization's website for the most recent information.

United States Illinois Sterling

Race information

Website Registration
100 mi
100 Mile Team Relay
100 mi
100 Miler
50 mi
50 Miler
50 km
50k
Visit the organization's website for the most recent information.
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