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

Cheesy Pretzel 5K and 1 Mile Walk

Bolingbrook, Illinois, United States

04 Oct, 2026 (Sun)

$30.00

Running, Walking

5K 1.6K

JJC Foundation 5K Run/Walk

Joliet, Illinois, United States

04 Oct, 2026 (Sun)

$20.00 - $40.00

Running

5K 1.6K

Rotary Run Charity Classic

Hinsdale, Illinois, United States

04 Oct, 2026 (Sun)

$30.00

Running, Walking

10K 5K 3K +2

St. Mary's Oktoberfest 5k & 1 Mile Fun Run

Alton, Illinois, United States

09 Oct, 2026 (Fri)

$25.00 - $40.00

Running

5K 1.6K

El Trote De Las Calacas

Elgin, Illinois, United States

10 Oct, 2026 (Sat)

$45.00

Running

5K

Sauk Valley Apple Cider Run

Rock Falls, Illinois, United States

10 Oct, 2026 (Sat)

$30.00 - $50.00

Running

Half-Marathon 5K

Nik's 7K Home Run & 1.5 Mile Walk at MercyHealth Sportscore Two (Indoor Sports Center)

Loves Park, Illinois, United States

10 Oct, 2026 (Sat)

$20.00 - $35.00

Running, Walking

7K 2.4K 5K +1

Operation Jake

Herrin, Illinois, United States

10 Oct, 2026 (Sat)

$35.00

Running

5K

4th Annual DBC Keys 2 Stability Community 5K 2026

Flossmoor, Illinois, United States

10 Oct, 2026 (Sat)

$25.00 - $30.00

Running

5.1K 5K

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

Chicago, Illinois, United States

10 Oct, 2026 (Sat) – 28 Nov, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Cai - Illinois Family 5k

Oak Brook, Illinois, United States

10 Oct, 2026 (Sat)

$70.00

Running

5K

Care4 Breast Cancer Hybrid 5K

Woodstock, Illinois, United States

10 Oct, 2026 (Sat) – 18 Oct, 2026

$15.00 - $30.00

Running

5K