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The Hennepin Hundred

~900 athletes

Sterling, IL, USAOctober 4, 2025 - October 3, 2026
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Ultra 100 Mile Race
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October 4, 2025 @ 07:00
Ultra 100 Mile
Start Time
07:00
Profile
flat
Elevation
+984 / -0 ft
+300m / -0m
Net: +984 ft
Surface
trail
Fast Score
92/100
Scenic Score
70/100

Start Waves & Corrals

Mass start 7:00 AM Saturday from Sterling, IL; 30-hour cutoff.

Notable Facts

  • Illinois' only point-to-point, all-trail ultramarathon, run along the Hennepin Canal State Trail from Sterling to Colona, IL.
  • Flat and fast (~104-mile crushed-limestone canal towpath) — marketed as an ideal course for a PR, first 100, or a fastest-known time.
  • Western States 100 qualifier every year since 2019 (must finish under 30 hours).
  • Organized by Ornery Mule Racing (RD Michele Hartwig); $750 bonus for a new 100-mile course record.
  • 2025 champions: James Sweeney (13:47:02) and Denise Bourassa (18:09:26).
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