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Half Marathons in Illinois

  1. Races by State
  2. Illinois
  3. Half Marathon

Browse Half Marathon races in Illinois, including upcoming races and races up to one year past their event date. Sort by highest rating or number of reviews to elevate the most popular races.

For each Half Marathon race, you’ll find key details, finisher ratings and reviews, photos, videos, related articles, race-day weather data and a link to register.

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Showing Half Marathons in Illinois

Chicago Spring Half Marathon & 10K
Chicago, IL | May 18, 2025

OVERALL

(11 ratings)

4
Red Cedar Trail Half Marathon and 38k
Makanda, IL | May 24, 2025

OVERALL

(1 rating)

5
Bank of America Chicago 13.1
Chicago, IL | Jun 1, 2025

OVERALL

(4 ratings)

3.8
North Shore Classic Half Marathon
Highland Park, IL | Jun 1, 2025

OVERALL

(2 ratings)

3
River Bottom Country Runs for St. Jude
Deer Creek, IL | Jun 7, 2025

OVERALL

(0 ratings)

0
Hoffman Estates Stars and Stripes Half Marathon, 10K & 5K
Hoffman Estates, IL | Jun 28, 2025

OVERALL

(0 ratings)

0
Cry Me A River! Trail Runs
Chillicothe, IL | Jul 11–12, 2025

OVERALL

(0 ratings)

0
Mainly Marathons Heartland Series Day 4 (IL)
Fulton, IL | Jul 15, 2025

OVERALL

(2 ratings)

4
Christmas in July Half Marathon & 5K Chicago
Elk Grove Village, IL | Jul 19, 2025

OVERALL

(7 ratings)

3.6
Run Mahomet
Mahomet, IL | Aug 1–2, 2025

OVERALL

(3 ratings)

4.3
RAMP River Run
Rockford, IL | Aug 16, 2025

OVERALL

(1 rating)

5
Shawnee Hills 100M, 100K, 50K & Half Marathon
Ozark, IL | Aug 23, 2025

OVERALL

(2 ratings)

4
Crystal Lake Half Marathon & 12K
Crystal Lake, IL | Aug 31, 2025

OVERALL

(0 ratings)

0
Hidden Gem Half Marathon
Flossmoor, IL | Sep 6, 2025

OVERALL

(2 ratings)

5
Naperville Trails Half Marathon & 10K
Naperville, IL | Sep 6, 2025

OVERALL

(1 rating)

4
Fox Valley Marathon
St. Charles, IL | Sep 21, 2025

OVERALL

(5 ratings)

3.6
Belleville Main Street Marathon
Belleville, IL | Sep 27, 2025

OVERALL

(12 ratings)

3.6
Hindsight Ultra Trail Runs
Dixon, IL | Sep 27, 2025

OVERALL

(0 ratings)

0
Quad Cities Marathon & Half Marathon
Moline, IL | Sep 27–28, 2025

OVERALL

(103 ratings)

4.6
YMCA Stone Bridge Half Marathon & 5K
Roscoe, IL | Sep 27, 2025

OVERALL

(1 rating)

4

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