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

Capital City Biathlon & 5K

New Berlin, Illinois, United States

23 May, 2026 (Sat)

Running

13.7K 29.1K 42.8K 5K +1

Western Springs Tower Trot

Western Springs, Illinois, United States

23 May, 2026 (Sat)

Walking, Running

5K 10K 15K +3

Panther Gym Memorial Day 5k Run/Walk

Pinckneyville, Illinois, United States

23 May, 2026 (Sat)

Running

5K

Onarga ALA Poppy 5K

Onarga, Illinois, United States

23 May, 2026 (Sat)

Running

5K

Goose Creek Classic

Odin, Illinois, United States

23 May, 2026 (Sat)

Running, Walking

5K 10K 2.5K 1K

Run for Heroes Half Marathon, 10K, 5K hosted by Revive Vienna

Vienna, Illinois, United States

23 May, 2026 (Sat)

Running

5K 10K 0.4K

Frontline OCR

Byron, Illinois, United States

23 May, 2026 (Sat)

Obstacle race, Running

10K 5K 1.6K +12

Memorial Day Run 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

23 May, 2026 (Sat)

Running

5K 10K Half-Marathon 1.6K +2

Run for Mental Health 5K/10K/13.1 CHICAGO/EVANSTON

Chicago, Illinois, United States

23 May, 2026 (Sat) – 14 Nov, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +14

Memorial Day 5K Virtual Run - Rockford

Rockford, Illinois, United States

23 May, 2026 (Sat) – 25 May, 2026

Running

5K

Run for Their Lives 5K

Mokena, Illinois, United States

22 May, 2026 (Fri) – 20 Jun, 2026

$30.00

Running

5K

Lake Run Club "Hiit Back" Early Summer training program

Normal, Illinois, United States

20 May, 2026 (Wed) – 11 Jul, 2026

Free - $55.00

Running

8K 5K