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Half Marathons found in Illinois in Fall
View all ↓Half Marathons in Illinois in Fall 2025
Find A Race is the US's favourite event listings site. Check out our list of Fall 2025 Half Marathons in Illinois below.
Race Calendar: Half Marathons found in Fall
Naperville Trails Half Marathon & 10K
Wheaton, Illinois
06 Sep 25
$51.74 - $123.74
Spooky Sprint - Springfield
Springfield, Missouri
21 Sep 25
$18.83 - $44.28
Long Grove's Prairie State Half Marathon, 10K & Oktoberfest 5K
Long Grove, Illinois
04 Oct 25
$42.54 - $118.13
Spooky Sprint - Chicago
Chicago, Illinois
18 Oct 25
$18.83 - $44.28
Haunted Halloween Half Marathon & 5km
Chicago, Illinois
26 Oct 25
$38.35 - $59.55
Run Stephenson County
Orangeville, Illinois
18 Oct 25
$38.10 - $59.30
The Forge Trail Run Festival
Lemont, Illinois
15 Nov 25
$48.95 - $80.75
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