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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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Warrior Foundation Events Fundraiser for Childhood Cancer

Loves Park, Illinois
29 Aug 25 - 30 Aug 25
$43.65 - $107.25
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Trail Running University

Crystal Lake, Illinois
01 May 25 - 15 Aug 25
$133.50
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2025 9th Annual Gold Star 500

Springfield, Illinois
31 May 25 - 27 Sep 25
Free - $450.00

The Ultimate SUCK

Cuba, Illinois
29 Aug 25 - 31 Aug 25
$137.74 - $472.45

Warrior Foundation Events Fundraiser for Childhood Cancer

Loves Park, Illinois
29 Aug 25 - 30 Aug 25
$43.65 - $107.25

Hobo Trail Runs 10k-25k-50k

Rockford, Illinois
12 Sep 25 - 14 Sep 25
$30.00 - $130.00

1000 Mile Challenge - 2025 Midwest

Edwardsville, Illinois
01 Jan 25 - 31 Dec 25
$52.94

Trail Running University

Crystal Lake, Illinois
01 May 25 - 15 Aug 25
$133.50

Sweet Ride | Bike • Run • Walk

Willow Springs, Illinois
04 Oct 25
$32.80 - $54.00
Showing 1-7 of 7 results