Chicago 7/11 Hour Endurance Run
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Chicago 7/11 Hour Endurance Run
The Chicago 7/11 Hour Endurance Run takes place on May 15, 2027 at Wolf Road Woods in Willow Springs, IL. The event is organized by Yeti Trail Runners and offers timed endurance running on a multi-loop trail course.
Distances and formats
- 7 Hour endurance run
- 11 Hour endurance run
The course uses a roughly 4-mile loop that includes single-track sections, double-track trails, rolling hills, and runnable stretches. Trail features noted for the venue include forest canopy, ponds, and preserved prairie sections within the Palos Preserves.
Support and services include an on-course aid station that provides hot dogs, Pixie Sticks, honey buns, crackers and chips, water, and electrolyte drinks. Participants may bring personal coolers to accommodate specific diets. Chip timing and live lap counting are provided by Zen Arcade Timing, which supplies real-time tracking and split displays.
The venue address is 9800 Wolf Rd, Willow Springs, IL, located within the Palos Preserves near Maple Lake and Saganashkee Slough. Registration opens January 22, 2027 at 12:00 AM CT. The event description emphasizes looped trail running and on-course snack options typical of the Yeti Trail Runners format. Visit the organization's website for the most recent information.
