Aug 22, 2026 · 7:00 AM · Hudson, IL
Comlara 12 Hour Sunrise-Sunset, 6 Hour, 3 Hour and Hour of Power Trail Run
Half MarathonMarathonUltra
- Price
- $15.95-$52
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
Where
When
Showing 11+ of 11 races · loading the full list…
Aug 29, 2026 · 7:00 AM · Vernon Hills, IL
The Next Loop 40M/50M Challenge | Half Day Forest Preserve
Ultra
- Price
- $213
Sep 11, 2026 · 7:00 PM · Rockford, IL
Hobo Trail Runs 10k-25k-50k
10KUltra
- Price
- $35-$140
- Field size
- 1,200 · based on the organizer's entry cap
Sep 12, 2026 · 8:30 AM · Greenview, IL
HMFA’s Tour de Heartland Fundraiser
Ultra
- Price
- Price on registration site
Nov 14, 2026 · 8:45 AM · Lemont, IL
The Forge Trail Run Festival
10KHalf MarathonUltra
- Price
- $67.50-$107.25
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