Ultra Marathons in Illinois in Winter 2026/27

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Ultra Marathons found in Illinois in Winter

Find A Race is the US's favourite event listings site. Check out our list of Winter 2026/27 Ultra Marathons in Illinois below.

Edwardsville, Illinois

1000 Mile Challenge - 2027 Midwest

Fri, Jan 1 – Dec 31, 2027

$37.04

Danville, Illinois

Kennekuk Road Runners - Members Only Fat Ass

Sat, Feb 20, 2027

Free

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