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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
🚀Boosted
The Forge Trail Run Festival
Lemont, Illinois
15 Nov 25
$54.25 - $91.35
🚀Boosted
Dam Site Run
LeRoy, Illinois
02 Nov 25
$43.39
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Naperville Trails Half Marathon & 10K
Wheaton, Illinois
06 Sep 25
$57.49 - $123.74
Divas Chicago Half Marathon and 5k
Chicago, Illinois
13 Sep 25
$53.99 - $96.39
Hedgehog Dash 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois
13 Sep 25
$32.80 - $52.94
National Chocolate Day: Run for Chocolates CHICAGO/EVANSTON
Chicago, Illinois
13 Sep 25
$32.80 - $52.94
Stone Bridge Half Marathon and 5k
Roscoe, Illinois
27 Sep 25
$27.50 - $59.30
National Singles Day: Singles & Friends Running Club CHICAGO/EVANSTON
Chicago, Illinois
27 Sep 25
$32.80 - $48.70
National Coffee Day: Run for Coffee CHICAGO/EVANSTON
Chicago, Illinois
27 Sep 25
$32.80 - $48.70
Belleville Main Street Marathon & Half Marathon
Belleville, Illinois
27 Sep 25
$96.88 - $107.75
Miles of Madness
Pekin, Illinois
27 Sep 25 - 28 Sep 25
$38.10 - $2,081.00
Life Time Chicago Half Marathon + 5K
Chicago, Illinois
28 Sep 25
$71.99 - $162.73
Cheers to Oktoberfest Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois
04 Oct 25
$32.80 - $52.94
Run for Donuts 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois
04 Oct 25
$32.80 - $52.94
Long Grove's Prairie State Half Marathon, 10K & Oktoberfest 5K
Long Grove, Illinois
04 Oct 25
$45.99 - $118.13
Spooky Sprint - Greater Chicago
Shorewood, Illinois
18 Oct 25
$20.83 - $59.10
Run Stephenson County
Orangeville, Illinois
18 Oct 25
$43.40 - $75.20
Run Against Breast Cancer 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois
18 Oct 25
$32.80 - $52.94
Chicago Fall Classic Half Marathon, 10K & Hot Cider Hustle 5K
Chicago, Illinois
18 Oct 25
$14.94 - $135.00
International Sloth Day Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois
18 Oct 25
$32.80 - $52.94
Galena River Fall Half Marathon & 8k
Galena, Illinois
25 Oct 25
$70.39 - $80.99
Riverview Ramble Half Marathon
Mount Carmel, Illinois
25 Oct 25
$38.65 - $59.85
Haunted Halloween Half Marathon & 5km
Chicago, Illinois
26 Oct 25
$48.95 - $80.75
Tri-State Warrior Run
Quincy, Illinois
26 Oct 25
$11.60 - $48.70
Run Chi-Town "Windy City" 5K/10K/13.1 FALL
Chicago, Illinois
01 Nov 25
$32.80 - $52.94
Halloween Trick or Trot Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois
01 Nov 25
$32.80 - $48.70
Dam Site Run
LeRoy, Illinois
02 Nov 25
$43.39
13th Annual Springfield Marathon - Harvest Wind Half Marathon & 10K
New Berlin, Illinois
08 Nov 25
Free - $69.90
Veterans Day Freedom Run 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois
15 Nov 25
$32.80 - $48.70
The Forge Trail Run Festival
Lemont, Illinois
15 Nov 25
$54.25 - $91.35
Bed to 5K/10K/13.1 Snoozers Run CHICAGO/EVANSTON
Chicago, Illinois
15 Nov 25
$32.80 - $48.70
2025 Turkey Trot
Decatur, Illinois
22 Nov 25
$20.00 - $30.00
Run for Coffee Lovers 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois
29 Nov 25
$32.80 - $48.70
Schaumburg Turkey Trot Half Marathon & 5K
Elk Grove Village, Illinois
29 Nov 25
Free - $123.74
Thanksgiving Turkey Gobble Trot 5K/10K/13.1 CHICAGO/EVANSTON
Chicago, Illinois
29 Nov 25
$32.80 - $48.70
Showing 1-33 of 33 results
