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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 event takes place along the scenic, flat, and fast Hennepin Canal State Trail, Illinois' longest multi-use trail, stretching from Sterling to Colona near the Mississippi River. Runners experience a point-to-point all-trail course passing historic locks, lift bridges, farms, and charming towns, making it ideal for personal records or first-time ultras.

Aid stations are spaced every 3-7 miles, staffed by dedicated volunteers. Finishers receive unique swag including buckles, flannels, and medals. The race is a Western States 100 qualifier with a 30-hour cutoff. 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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