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Ondessonk Trail Race

Ozark, United States • 11 Apr 2026

Ondessonk Trail Races

The Ondessonk Trail Races are scheduled for 2026 in Ozark, Illinois. The event location is Camp Ondessonk at 3760 Ondessonk Rd, Ozark, IL 62972. Registration for the listed events opens November 3, 2025.

Events and course details

  • Manchester 10k
  • 5k Fun Run

Both events are trail runs held at Camp Ondessonk. Course materials show the 5K trail outlined in blue and the 10K trail outlined in red. Race entries may include a T-shirt; sizes are not guaranteed for late registrants. The event page also notes a race participant survey and provides a trail map and a 10K walkthrough video. Visit the organization's website for the most recent information.

United States Illinois Ozark

Race information

Registration
10 km
Manchester 10k
5 km
5k Fun Run
Visit the organization's website for the most recent information.
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