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Races in Illinois - September 2026

Browse 100+ upcoming races in Illinois for September 2026.

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Races in Illinois - September 2026

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5K Fun Run and Family Walk

Sep 1, 2026
Glenview, IL
5K
80°
61°
15%

The Ultimate SUCK

Sep 4, 2026
Cuba, IL
50M25M10M
82°
59°
13%

Ultimate SUCK

Sep 4, 2026
Cuba, IL
36HR12HR4HR
82°
59°
13%

9/11 Heroes Run - Chicago, Illinois

Sep 5, 2026
Hoffman Estates, IL
5K1M
76°
58°
16%

Naperville Trails Half Marathon

Sep 5, 2026
Wheaton, IL
13.1M
80°
58°
12%

GristMill Grind

Sep 5, 2026
Franklin Grove, IL
10K5K
78°
56°
14%

Temptation 200 Ultras

Sep 5, 2026
Forest City, IL
124.2M31.1M
83°
61°
15%

Cornerstone Lakes parkrun

Sep 5, 2026
West Chicago, IL
5K
80°
58°
12%

Naperville Trails Half Marathon & 10K

Sep 5, 2026
Wheaton, IL
13.1M10K
80°
58°
12%

Morrissey Park parkrun

Sep 5, 2026
Champaign, IL
5K
83°
60°
13%

Heritage Harbor parkrun

Sep 5, 2026
Ottawa, IL
5K
81°
57°
17%

Chicago Waterfront 10K

Sep 6, 2026
Chicago, IL
10K
80°
63°
13%

Spring Chance BQ.2 Marathon

Sep 6, 2026
Geneva, IL
26.2M
79°
58°
12%

Last Chance BQ.2 Marathon

Sep 6, 2026
Geneva, IL
26.2M
79°
58°
12%

IVS Bridge To Bridge Run

Sep 7, 2026
Peoria, IL
4M
82°
61°
15%

JJK5K

Sep 7, 2026
Madison, IL
3.1M1.25M
84°
61°
12%

Elwood Community Days 5k Run & Walk 2026, In Memory Of Our Fallen Heroes

Sep 11, 2026
Elwood, IL
3.1M
79°
59°
14%

Elwood Community Days 5K

Sep 11, 2026
Elwood, IL
5K
79°
59°
14%

Wild Wild Wilderness Trail Run

Sep 12, 2026
Oakwood, IL
7.5M5K
81°
58°
14%

Thin Mint Sprint

Sep 12, 2026
Fox River Grove, IL
5K
74°
56°
15%