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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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1000 Mile Challenge - 2025 Midwest

Edwardsville, Illinois
01 Jan 25 - 31 Dec 25
$31.74
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Frontline OCR

Byron, Illinois
24 May 25
$69.90 - $117.60

Warrior Foundation Events Fundraiser for Childhood Cancer

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

The Ultimate SUCK

Cuba, Illinois
29 Aug 25 - 31 Aug 25
$190.74 - $419.95

1000 Mile Challenge - 2025 Midwest

Edwardsville, Illinois
01 Jan 25 - 31 Dec 25
$31.74

Kennekuk Road Runners - Howl at the Moon 8/4 hour Ultra

Danville, Illinois
09 Aug 25
$80.50 - $91.10
Showing 1-5 of 5 results