Half-Marathon races in Illinois, United States — 2026 running calendar

Run for Coffee Lovers 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

25 Jul, 2026 (Sat)

$30.00 - $50.00

Running

5K 10K Half-Marathon 1.6K +2

Run for Donuts 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

25 Jul, 2026 (Sat) – 26 Sep, 2026

$30.00 - $50.00

Running

5K 10K Half-Marathon 1.6K +8

Run Mahomet

Mahomet, Illinois, United States

31 Jul, 2026 (Fri) – 01 Aug, 2026

$35.00 - $65.00

Running

3.1K 10K Half-Marathon 5K +2

Heatwave Half Marathon - Greater Chicago

Chicago, Illinois, United States

02 Aug, 2026 (Sun)

$22.00 - $70.00

Running

1.6K 5K 10K Half-Marathon +1

RAMP River Run – 3K, 5K, & 1/2 Marathon Run

Rockford, Illinois, United States

15 Aug, 2026 (Sat)

$20.00 - $85.00

Running, Walking

Half-Marathon 5K 3K +1

Run for PB& J 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

15 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Bagel Run 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

15 Aug, 2026 (Sat) – 10 Oct, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Run to Breast Cancer 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

29 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Naperville Trails Half Marathon & 10K

Wheaton, Illinois, United States

05 Sep, 2026 (Sat)

$44.99 - $109.99

Running

Half-Marathon 10K +2

National Chocolate Day: Run for Chocolates 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

12 Sep, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

St. Jude Walk

Bloomington, Illinois, United States

19 Sep, 2026 (Sat)

Walking, Running

1.6K 5K 10K Half-Marathon

Belleville Main Street Marathon & Half Marathon

Belleville, Illinois, United States

26 Sep, 2026 (Sat)

$95.00 - $105.00

Running

Marathon Half-Marathon