Ultra Marathons in Illinois 2025 - 2026

Frontline OCR

Byron, Illinois

24 May 25

$69.90 - $117.60

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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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The Ultimate SUCK

Cuba, Illinois

29 Aug 25 - 31 Aug 25

$190.74 - $419.95

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Trail Running University

Crystal Lake, Illinois

30 Dec 24 - 17 Mar 25

$133.50

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1000 Mile Challenge - 2025 Midwest

Edwardsville, Illinois

01 Jan 25 - 31 Dec 25

$31.74

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Run/Walk for the Soul w/Soulful Doulas

Evanston, Illinois

16 Mar 25 - 30 Mar 25

Free

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

Danville, Illinois

09 Aug 25

$80.50 - $91.10

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