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Ultra Marathons found in Illinois

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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

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The Forge Trail Run Festival

Lemont, Illinois
15 Nov 25
$62.20 - $101.95
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Sweet Ride | Bike • Run • Walk

Willow Springs, Illinois
04 Oct 25
$32.80 - $54.00
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Sweet Ride | Bike • Run • Walk

Willow Springs, Illinois
04 Oct 25
$32.80 - $54.00

The Forge Trail Run Festival

Lemont, Illinois
15 Nov 25
$62.20 - $101.95

The Ultimate SUCK

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

1000 Mile Challenge - 2025 Midwest

Edwardsville, Illinois
01 Jan 25 - 31 Dec 25
$52.94
Showing 1-4 of 4 results