The Hennepin Hundred
Sterling, United States • 3-4 Oct 2026
The Hennepin Hundred
The Hennepin Hundred is a point to point, all-trail ultramarathon in northwest Illinois that runs along the Hennepin Canal State Trail between Sterling and Colona. The event uses the canal trail, which spans about 104 miles, and passes locks, lift bridges, farms and small towns.
Distances offered:
- 100 mile
- 100 mile team relay
- 50 mile
- 50K
Aid stations are placed approximately every 3 to 7 miles. The organizer provides bus service for participants who park at the finish lines; bus service carries a fee of $10. Early bird pricing is listed through January 1 with published entry fees: 100 mile $315, 50 mile $155, 50K $110, and a 5 person relay $425. Registration closes on Sep 25 at 11:59 PM CT.
Finishers receive distance-specific swag: 100 mile finishers receive a finisher flannel and a buckle; 50 mile and 50K finishers receive race shirts and finisher medals. First-time finishers at each distance also receive a commemorative "Ultra Virgin No more" shirt. Awards are given for 1st through 3rd overall male and female in each distance, plus artistic age-group awards in 10-year spans.
The race cutoff time is 30 hours; finishing within that time is required for Western States 100 eligibility. The organizer publishes a rollover and refund policy that includes a no-cost rollover if notified 70 days before the event, a 50% event credit option until 25 days before, and no refunds under any circumstance.
Race day photography is provided and photos are available for free download. Volunteer roles include credits toward future events and other incentives for aid station captains and volunteers. Visit the organization's website for the most recent information.