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

Rotary Run Charity Classic

Hinsdale, Illinois, United States

Oct 4, 2026 (Sun)

$30.00

Running, Walking

10K 5K 3K +2

Cheesy Pretzel 5K and 1 Mile Walk

Bolingbrook, Illinois, United States

Oct 4, 2026 (Sun)

$30.00

Running, Walking

5K 1.6K

2026 Lemons of Love Pink Lemonade 5K Run/Walk

Mount Prospect, Illinois, United States

Oct 4, 2026 (Sun)

$40.00

Running

5K

Fire Zone 5k

Lockport, Illinois, United States

Oct 4, 2026 (Sun)

$35.00

Running

5K

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

Alton, Illinois, United States

Oct 9, 2026 (Fri)

$25.00 - $40.00

Running

5K 1.6K

4th Annual DBC Keys 2 Stability Community 5K 2026

Flossmoor, Illinois, United States

Oct 10, 2026 (Sat)

$30.00

Running

5.1K 5K

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

Loves Park, Illinois, United States

Oct 10, 2026 (Sat)

$20.00 - $35.00

Running, Walking

7K 2.4K 5K +1

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

Operation Jake

Herrin, Illinois, United States

Oct 10, 2026 (Sat)

$35.00

Running

5K

Welcome Run 5K

Lansing, Illinois, United States

Oct 10, 2026 (Sat) – Oct 11, 2026

$8.00 - $35.00

Running

5K Welcome Run Kids Race (10 and under)

Be a Hero 5K

Urbana, Illinois, United States

Oct 10, 2026 (Sat)

$25.00

Running

5K

We Love Teachers 5K - Chicago

Elk Grove Village, Illinois, United States

Oct 10, 2026 (Sat)

$20.00 - $40.00

Running

5K