10K races in Illinois, United States — 2026 running calendar

Cosley Zoo Run for the Animals 2026

Wheaton, Illinois, United States

Jun 6, 2026 (Sat)

Running

5K 10K 3.2K +1

Oneness Run/Walk 2026

Palatine, Illinois, United States

Jun 6, 2026 (Sat)

Running, Walking

10K 5K

Countryside 10k

Sidney, Illinois, United States

Jun 6, 2026 (Sat)

Running

10K

Harvard Milk Days

Harvard, Illinois, United States

Jun 6, 2026 (Sat)

Running, Walking

10K 5K 3.2K

Abe's Army

Springfield, Illinois, United States

Jun 1, 2026 (Mon) – Aug 23, 2026

Running

10K 5K

Run for the Zoo 2026

Chicago, Illinois, United States

May 31, 2026 (Sun)

Running, Walking

10K 5K 15K +3

WARRIOR RUSH 5K - 10K - Half Marathon 13.1 (Chicagoland)

Wheaton, Illinois, United States

May 30, 2026 (Sat)

Running

Half-Marathon 10K 5K

Waubonsee Foundation Trail Run

Sugar Grove, Illinois, United States

May 30, 2026 (Sat)

Running

5K 10K

2026 Walk & Roll Chicago

Chicago, Illinois, United States

May 30, 2026 (Sat)

Walking, Running, Nordic ice skating, Cycling

5K 10K 15K +8

HerrinFesta Road Races

Herrin, Illinois, United States

May 25, 2026 (Mon)

Running, Walking

10K 5K 1.6K +1

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

Chicago, Illinois, United States

May 23, 2026 (Sat) – Nov 14, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +14

Rend Lake Run With Rotary

Benton, Illinois, United States

May 23, 2026 (Sat)

Running, Walking

10K 5K 2K