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Half Marathons found in Illinois in Fall

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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

πŸš€Boosted

Stone Bridge Half Marathon and 5k

Roscoe, Illinois
27 Sep 25
$27.50 - $59.30
πŸš€Boosted

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