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Ultra Marathons found in Illinois in August
View all ↓Ultra Marathons in Illinois in August 2025
Find A Race is the US's favourite event listings site. Check out our list of August 2025 Ultra Marathons in Illinois below.
Race Calendar: Ultra Marathons found in August
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
Kennekuk Road Runners - Howl at the Moon 8/4 hour Ultra
Danville, Illinois
09 Aug 25
$80.50 - $91.10
Showing 1-4 of 4 results