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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

Christie Clinic Illinois Race Weekend 🏆
Champaign, IL | Apr 25–26, 2025

OVERALL

(25 ratings)

4.7
Childish Nonsense
Palatine, IL | Apr 26, 2025

OVERALL

(0 ratings)

0
Earth Day Trail Race
Crystal Lake, IL | Apr 26, 2025

OVERALL

(3 ratings)

3.7
Chicagoland Spring Marathon, Half Marathon & 10K
Schaumburg, IL | May 4, 2025

OVERALL

(2 ratings)

3
Great Western Half Marathon & 10K
St. Charles, IL | May 4, 2025

OVERALL

(1 rating)

2
Starved Rock Country Marathon, Half Marathon & Run SRC 5K
Ottawa, IL | May 10, 2025

OVERALL

(1 rating)

5
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
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

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