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The Hennepin Hundred

Sterling, United States • 4-5 Oct 2025

October 4-5, 2025, The Hennepin Hundred is Illinois’ only point-to-point, all-trail ultramarathon, running from Sterling along the Rock River to Colona near the Mississippi and following the 104-mile Hennepin Canal State Trail through northwest Illinois’ historic locks, lift bridges, and scenic farmland. Distances include 100-mile, 50-mile, 50K, and a 100-mile team relay, with a flat, fast course ideal for PRs and for Western States qualification. Aid stations are roughly every 3–7 miles, supported by a dedicated volunteer crew. The event also features the Mule 50K night run and a festive running community. Runners praise its supportive volunteers and canal-side vistas. 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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