0003

Ultra Marathons found in Illinois

View all

Ultra Marathons in Illinois 2025 - 2026

The most comprehensive list of Ultra Marathons in and near Illinois in 2025 - 2026. Find your perfect race!

Race Calendar: Ultra Marathons found in Illinois

🚀Boosted

The Forge Trail Run Festival

Lemont, Illinois
Sat 15 Nov 25
$62.20 - $101.95
🚀Boosted

1000 Mile Challenge - 2025 Midwest

Edwardsville, Illinois
Wed 01 Jan 25 - Wed 31 Dec 25
$52.94
Feature your event at the top of the results

The Forge Trail Run Festival

Lemont, Illinois
Sat 15 Nov 25
$62.20 - $101.95

The Ultimate SUCK

Cuba, Illinois
Fri 04 Sep 26 - Sun 06 Sep 26
$116.54 - $398.95

1000 Mile Challenge - 2025 Midwest

Edwardsville, Illinois
Wed 01 Jan 25 - Wed 31 Dec 25
$52.94
Showing 1-3 of 3 results