10K races in Illinois, United States — 2026 running calendar

Run Stephenson County

Orangeville, Illinois, United States

Oct 17, 2026 (Sat)

Running

Half-Marathon 5K 10K

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

Jmh 5K/10K

Jacksonville, Illinois, United States

Oct 17, 2026 (Sat)

$32.00

Running

5K 10K

Richardson Farm Fall 5K & 10K with Family 1 Mile Adventure Run

Spring Grove, Illinois, United States

Oct 18, 2026 (Sun)

$12.99 - $47.99

Obstacle race, Running

5K 10K 1.6K +6

Batavia United Way Bat Race 5K & 10K

Batavia, Illinois, United States

Oct 24, 2026 (Sat)

$5.00 - $45.00

Running

5K 10K 0.4K +1

Polish Independence Run

Chicago, Illinois, United States

Oct 25, 2026 (Sun)

$49.00 - $69.00

Running, Walking

10K 5K

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

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

Chicago, Illinois, United States

Oct 31, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

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

Chicago, Illinois, United States

Oct 31, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Riverview Ramble Half Marathon

Mount Carmel, Illinois, United States

Oct 31, 2026 (Sat)

$35.00 - $50.00

Running

Half-Marathon 10K 5K

Rattlesnake Master Run for the Prairie

Urbana, Illinois, United States

Nov 1, 2026 (Sun)

$30.00

Walking, Running

5K 10K +1