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

Belleville Main Street Marathon & Half Marathon

Belleville, Illinois, United States

Sep 26, 2026 (Sat)

$95.00 - $105.00

Running

Marathon Half-Marathon

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

Chicago, Illinois, United States

Sep 26, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Stone Bridge Half Marathon and 5k

Roscoe, Illinois, United States

Sep 26, 2026 (Sat)

$35.00 - $80.00

Running

Half-Marathon 5K

Golden Harvest Half Marathon & 5k/10k - Greater Chicago

Chicago, Illinois, United States

Sep 27, 2026 (Sun)

$22.00 - $72.00

Running

5K 10K Half-Marathon 1.6K

Long Grove's Prairie State Half Marathon, 10K & Oktoberfest 5K

Long Grove, Illinois, United States

Oct 3, 2026 (Sat)

$36.99 - $119.99

Running

Half-Marathon 10K 5K +7

Sauk Valley Apple Cider Run

Rock Falls, Illinois, United States

Oct 10, 2026 (Sat)

$30.00 - $50.00

Running

Half-Marathon 5K

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

Chicago, Illinois, United States

Oct 10, 2026 (Sat) – Nov 28, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Chicago Fall Classic Half Marathon, 10K & Hot Cider Hustle 5K

Chicago, Illinois, United States

Oct 17, 2026 (Sat)

$12.99 - $119.99

Running

Half-Marathon 10K 5K +7

Run Stephenson County

Orangeville, Illinois, United States

Oct 17, 2026 (Sat)

Running

Half-Marathon 5K 10K

Tri-State Warrior Run

Quincy, Illinois, United States

Oct 25, 2026 (Sun)

$20.00 - $45.00

Walking, Running

1.6K 5K 10K Half-Marathon +7

Spooky Sprint - Greater Chicago

Chicago, Illinois, United States

Oct 25, 2026 (Sun)

$22.00 - $72.00

Running

1.6K 5K 10K Half-Marathon

Haunted Halloween Half Marathon & 5km

Chicago, Illinois, United States

Oct 25, 2026 (Sun)

$54.00 - $90.00

Running

Half-Marathon 5K