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Ultra Marathons found in Illinois in Summer

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Ultra Marathons in Illinois in Summer 2025

Find A Race is the US's favourite event listings site. Check out our list of Summer 2025 Ultra Marathons in Illinois below.

Race Calendar: Ultra Marathons found in Summer

🚀Boosted

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

Danville, Illinois
09 Aug 25
$80.50 - $91.10
🚀Boosted

1000 Mile Challenge - 2025 Midwest

Edwardsville, Illinois
01 Jan 25 - 31 Dec 25
$31.74
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Comlara 12 Hour Sunrise-Sunset, 6 Hour, 3 Hour and Hour of Power Trail Run

Hudson, Illinois
28 Jun 25
$15.95 - $31.40

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

Danville, Illinois
09 Aug 25
$80.50 - $91.10

The Ultimate SUCK

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

Warrior Foundation Events Fundraiser for Childhood Cancer

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

1000 Mile Challenge - 2025 Midwest

Edwardsville, Illinois
01 Jan 25 - 31 Dec 25
$31.74
Showing 1-5 of 5 results