The Hennepin Hundred

OCT
3-4
2026
A point-to-point all-trail ultramarathon along the Hennepin Canal State Trail between Sterling and Colona, Illinois. Multiple distances include 100 mile, 50 mile, 50K and a 100 mile team relay; aid stations are every three to seven miles.
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 held in northwest Illinois along the Hennepin Canal State Trail. The course runs from Sterling on the Rock River to Colona near the Mississippi and follows the 104 mile Hennepin Canal State Trail across historic locks and lift bridges, past farmland and small towns. Aid stations are located every three to seven miles.

Distances offered include:

  • 100 Miler
  • 100 mile team relay
  • 50 Miler
  • 50K

The event uses a waitlist and admits entrants in the order they signed up; OMR Slam runners and OMR coached athletes are guaranteed entry. A bus service transports runners from finish area parking to the start line for a fee of $10. Early bird pricing through January 1 lists entry fees as 100 mile $315, 50 mile $155, 50K $110, and five person relay $425. The race has a 30 hour cutoff for Western States qualifying purposes.

Volunteer incentives include a $200 credit for aid station captains and a $10 credit per volunteer spot, plus event swag and an invitation to a volunteer party. No refunds are offered; a rollover and partial credit policy is available with deadlines and conditions specified in registration materials. Visit the organization's website for the most recent information.

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