5K races in Illinois, United States — 2026 running calendar

Heatwave Half Marathon - Greater Chicago

Chicago, Illinois, United States

Aug 2, 2026 (Sun)

$22.00 - $82.00

Running

1.6K 5K 10K Half-Marathon +1

Summer's Last Kick

Oswego, Illinois, United States

Aug 2, 2026 (Sun)

$20.00 - $35.00

Running

1.6K 5K

Effingham County Fair 5K

Altamont, Illinois, United States

Aug 2, 2026 (Sun)

$20.00 - $25.00

Running

5K 1.6K

SSW Running Club Club Challenge 5k

Tinley Park, Illinois, United States

Aug 5, 2026 (Wed)

$30.00

Running

5K

Wenona 5k

Wenona, Illinois, United States

Aug 7, 2026 (Fri)

$30.00

Running

5K

Saint Bruno Falcon 5k Run/Walk

Pinckneyville, Illinois, United States

Aug 8, 2026 (Sat)

$30.00

Running

5K

Track Night Chicago

Chicago, Illinois, United States

Aug 8, 2026 (Sat)

$35.00 - $45.00

Running

1.6K 5K

Back-to-School Family Fun 5K

Wheeling, Illinois, United States

Aug 8, 2026 (Sat)

$25.00

Running

5K

Bulldog Challenge

Effingham, Illinois, United States

Aug 8, 2026 (Sat)

$35.00

Running, Walking

5K 10K 3.2K

Lincoln Douglas 5K and Fun Run

Freeport, Illinois, United States

Aug 8, 2026 (Sat)

$25.00

Running

5K

RUN FOR C'VILLE

Carpentersville, Illinois, United States

Aug 8, 2026 (Sat)

$45.00

Running

5K 3.1K

Kennekuk Road Runners - Howl at the Moon 8/4 hour Ultra

Danville, Illinois, United States

Aug 8, 2026 (Sat)

$85.00 - $95.00

Running, Walking

5.2K