The Hennepin Hundred

OCT
3-4
2026
A point to point all trail ultramarathon along the Hennepin Canal State Trail in northwest Illinois, offering 100 mile, 50 mile, team relay and a nighttime 50k, with aid stations every 3 to 7 miles and Western States qualification.
3-4 Oct 2026
100 miles 50 miles 50 kilometers

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The Hennepin Hundred

The Hennepin Hundred is a point to point, all-trail ultramarathon in northwest Illinois. The course follows the 104-mile Hennepin Canal State Trail from Sterling to Colona, crossing historic locks and lift bridges and passing cornfields, farms, and small towns. Organizers describe the route as flat and fast.

Available event distances include:

  • 100 Miler
  • 100 mile team relay
  • 50 Miler
  • 50K
  • The Mule 50k, a nighttime 50k that starts at aid station 7/15

Aid stations are placed approximately every 3 to 7 miles. The race is listed as a Western States 100 qualifying race with a 30 hour cutoff for qualification. Race day photography is provided and photos are free to download for social media.

Logistics include bus service from finish line parking areas to the start line for those who park at the finish; bus service carries a $10 fee. Early bird pricing applies through January 1 with listed entry fees for each distance. Registration closes on Fri, Sep 25 at 11:59 PM CT.

Volunteer incentives include credits toward future events for aid station captains and volunteers, race swag at the event, and an invitation to a volunteer appreciation party. The event policy offers rollover options and states there are no refunds. Visit the organization's website for the most recent information.

100 mi
100 Mile Team Relay
100 mi
100 Miler
50 mi
50 Miler
50 km
50k
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