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Half Marathons found in Illinois in Summer
View all ↓Half Marathons in Illinois in Summer 2025
Find A Race is the US's favourite event listings site. Check out our list of Summer 2025 Half Marathons in Illinois below.
Race Calendar: Half Marathons found in Summer
Hoffman Estates Stars and Stripes Half Marathon, 10K & 5K
Hoffman Estates, Illinois
28 Jun 25
Free - $123.75
Christmas in July Half Marathon and 5K (Chicago area)
Elk Grove Village, Illinois
19 Jul 25
Free - $66.94
Run Mahomet
Mahomet, Illinois
02 Aug 25
$29.62 - $61.42
RAMP River Run 3K, 5K, & 1/2 Marathon Run
Rockford, Illinois
16 Aug 25
Free - $80.50
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