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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
πBoosted
Stone Bridge Half Marathon and 5k
Roscoe, Illinois
27 Sep 25
$27.50 - $59.30
πBoosted
Run Stephenson County
Orangeville, Illinois
18 Oct 25
$38.10 - $59.30
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Naperville Trails Half Marathon & 10K
Wheaton, Illinois
06 Sep 25
$51.74 - $123.74
Spooky Sprint - Springfield
Springfield, Missouri
21 Sep 25
$18.83 - $48.28
Belleville Main Street Marathon & Half Marathon
Belleville, Illinois
27 Sep 25
$80.50 - $91.10
Stone Bridge Half Marathon and 5k
Roscoe, Illinois
27 Sep 25
$27.50 - $59.30
Long Grove's Prairie State Half Marathon, 10K & Oktoberfest 5K
Long Grove, Illinois
04 Oct 25
$42.54 - $118.13
Spooky Sprint - Greater Chicago
Shorewood, Illinois
18 Oct 25
$18.83 - $44.28
Country Sole Half Marathon, 10K & 5K Run/Walk
Chicago, Illinois
18 Oct 25
$42.54 - $135.00
Galena River Fall Half Marathon & 8k
Galena, Illinois
25 Oct 25
$70.39 - $80.99
Haunted Halloween Half Marathon & 5km
Chicago, Illinois
26 Oct 25
$38.35 - $59.55
13th Annual Springfield Marathon - Harvest Wind Half Marathon & 10K
New Berlin, Illinois
08 Nov 25
Free - $69.90
The Forge Trail Run Festival
Lemont, Illinois
15 Nov 25
$54.25 - $91.35
Schaumburg Turkey Trot Half Marathon & 5K
Elk Grove Village, Illinois
29 Nov 25
Free - $123.74
Run Stephenson County
Orangeville, Illinois
18 Oct 25
$38.10 - $59.30
Showing 1-13 of 13 results