Running Race Calendar in Illinois, United States

The Memorial 5K

Lake Barrington, Illinois, United States

24 May, 2026 (Sun)

Running

5K

Ruck It 2

Yorkville, Illinois, United States

24 May, 2026 (Sun)

Running

5K

The Memorial Day Weekend 5K Run/Walk

Lisle, Illinois, United States

24 May, 2026 (Sun)

Running

5K

Race To the Flag

Westmont, Illinois, United States

24 May, 2026 (Sun)

Running

5K

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

Vienna, Illinois, United States

23 May, 2026 (Sat)

Running

5K 10K 0.4K

Capital City Biathlon & 5K

New Berlin, Illinois, United States

23 May, 2026 (Sat)

Running

13.7K 29.1K 42.8K 5K +1

Frontline OCR

Byron, Illinois, United States

23 May, 2026 (Sat)

Obstacle race, Running

10K 5K 1.6K +12

Onarga ALA Poppy 5K

Onarga, Illinois, United States

23 May, 2026 (Sat)

Running

5K

Panther Gym Memorial Day 5k Run/Walk

Pinckneyville, Illinois, United States

23 May, 2026 (Sat)

Running

5K

Memorial Day 5K Virtual Run - Rockford

Rockford, Illinois, United States

23 May, 2026 (Sat) – 25 May, 2026

Running

5K

Electrolit 5K & Dance Party

Chicago, Illinois, United States

23 May, 2026 (Sat)

Running

5K

Rend Lake Run With Rotary

Benton, Illinois, United States

23 May, 2026 (Sat)

Running, Walking

10K 5K 2K