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Half Marathons found in Illinois in May

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Half Marathons in Illinois in May 2025

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

Race Calendar: Half Marathons found in May

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Hometown Half Marathon & 5k/10k - Greater Chicago

Wheaton, Illinois
31 May 25
$18.83 - $54.28
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Chicagoland Spring Marathon, Half Marathon & 10K

Schaumburg, Illinois
04 May 25
$55.19 - $157.49
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Chicagoland Spring Marathon, Half Marathon & 10K

Schaumburg, Illinois
04 May 25
$55.19 - $157.49

Quad Cities Distance Classic

Moline, Illinois
11 May 25
$29.62 - $54.00

Run for Heroes Half Marathon, 10K, 5K hosted by Revive Vienna

Vienna, Illinois
24 May 25
$32.80 - $54.00

Red Cedar Trail Half Marathon and 38k at Giant City State Park

Makanda, Illinois
24 May 25
$65.70 - $81.71

Hometown Half Marathon & 5k/10k - Greater Chicago

Wheaton, Illinois
31 May 25
$18.83 - $54.28
Showing 1-5 of 5 results