The Hennepin Hundred

The Hennepin Hundred - October 3 - 4, 2026

This is Illinois’ only point-to-point, all-trail ultramarathon, a true Illinois adventure from Sterling, Illinois on the Rock River to Colona, Illinois near the mighty Mississippi, along the historic and beautiful Hennepin Canal. Flat and fast, the 50- and 100-mile courses follow the 104-mile Hennepin Canal State Trail, Illinois’ longest multi-use trail, across historic locks and lift bridges, past the autumn corn, picturesque farms and postcard towns of northwest Illinois. It's a perfect course for a PR run, a first 50 or 100, or for chasing a world's fastest time!

Distances Offered:

• 100 Miler
• 100 mile team relay
• 50 Miler
• 50K
• The Mule 50k - night time run (Starts at aid station 7/15, 5 pm start)

Key Dates & Deadlines:

• Registration closes: Fri, Sep 25 @ 11:59PM CT
• Early bird Pricing until January 1st
• No cost rollover if notified by 70 days before event.
• 50% OMR Event Credit available until 25 days before event.

Western States 100 Qualifying Race: Cut off time is 30 hours.

Race Swag: Varies by distance, includes finisher flannels, belt buckles, race shirts, and more.

Awards: 1st, 2nd, and 3rd overall Male and Female in all distances, plus Artistic Age group awards.

Location: Sinnissippi Park Road, Sterling, IL

Find more information at hennepinhundred.com.