Outlast Chicago
Oct 24Palatine, IL18 mi
29 mi from CHICAGO 7-11 Hour Endurance Run, a similar entry fee ($90), registration open
11 hr7 hrCompleted
CHICAGO 7-11 Hour Endurance Run
Willow Springs, IllinoisYeti Trail Runners
- 7 hr entry
- $89
- Aid stations
- 1
At a glance
- Last held
- May 16, 2026
- Next edition
- 2027 date not announced. Usually held in May.
- Location
- Willow Springs, Illinois
- Distances
- 11 hr, 7 hr
- Aid stations
- 1
Listed from UltraSignup. Checked May 10, 2026.
Plan this race for free
1 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planAbout this race
The Famous Annual Yeti 7/11 Endurance Run: Chicago Edition! Where Trail Running Meets Deep Dish Energy and 7-11 Gourmet
Key dates
Registration closes
Apr 1, 2026
Race day
May 16, 2026
Pricing
11 Hour
Registration
$99
7 Hour
Registration
$89
Email me updates about CHICAGO 7-11 Hour Endurance Run
Registration openings and major changes, like a new date or a cancellation.
Aid stations
1| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
The Famous 7/11 Aid Station The Yeti's signature snack haven, now with a Windy City twist | -- | -- | Gourmet Hot DogsPixie Stick FuelHoney Bun DelicaciesTrailside Crackers & Chips+2 |
Entry transfers
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Race planning
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