Ultras in Illinois
Every upcoming Ultra race we know about in Illinois. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Showing 5+ of 7 races · loading the full list…
Sun, Nov 1, 2026 · 12:01 AM · Lake Zurich, IL
Thankful Turkey 5K, 10K & Half Marathon
5K10KHalf MarathonUltra
- Price
- Price on registration site
Sat, Nov 14, 2026 · 8:45 AM · Lemont, IL
The Forge Trail Run Festival
10KHalf MarathonUltra
- Price
- $67.50-$107.25
Sun, Nov 15, 2026 · 10:00 AM · Petersburg, IL
Dirty Petersburg Gravel Ride
Ultra
- Price
- Price on registration site
Sat, Aug 7, 2027 · 7:00 AM · Pingree Grove, IL
Highlander Assault Obstacle Race
3K5K15KUltra
- Price
- $80.50
- Field size
- 50 · based on the organizer's entry cap
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