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

Oct

25

Tri-State Warrior Run

Quincy, Illinois, United States

$20.00 - $45.00

Walking Running

1.6K 5K 10K Half-Marathon +7

Oct

25

Haunted Halloween Half Marathon & 5km

Chicago, Illinois, United States

$69.00 - $120.00

Running

Half-Marathon 5K

Oct

25

Spooky Sprint - Greater Chicago

Chicago, Illinois, United States

$22.00 - $84.00

Running

1.6K 5K 10K Half-Marathon

Oct

31

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

Chicago, Illinois, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Oct

31

Galena River Fall Half Marathon & 8k

Galena, Illinois, United States

$85.00

Running

Half-Marathon 8K

Oct

31

Halloween Trick or Trot Run 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Oct

31

Riverview Ramble Half Marathon

Mount Carmel, Illinois, United States

$35.00 - $65.00

Running

Half-Marathon 10K 5K

Nov

01

Warrior Rush - Army of Hades - 5K, 10K, and Half Marathon 13.1

New Lenox, Illinois, United States

$30.00 - $60.00

Running

Half-Marathon 10K 5K

Nov

01

Dam Site Run

LeRoy, Illinois, United States

$59.99 - $75.00

Running

Half-Marathon

Nov

01

Thankful Turkey 5K, 10K & Half Marathon

Lake Zurich, Illinois, United States

Free

Running

5K 10K Half-Marathon Ultra

Nov

02

25 Miles of Christmas - Virtual Challenge

Lake Zurich, Illinois, United States

Free

Running

40.2K Ultra 5K 10K +2

Nov

07

14th Annual Springfield Marathon & Harvest Wind Half Marathon & 10K

New Berlin, Illinois, United States

$55.00 - $75.00

Running

Marathon Half-Marathon 10K