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

Sep

27

Inside Out Club Fall Family 5K

Wheaton, Illinois, United States

Running

5K

Sep

27

Plainfield Harvest Run 5k/10k & Kids Miler

Plainfield, Illinois, United States

Running

1.6K 5K 10K

Sep

27

F3 Naperville 5K Run & Walk for Little Friends

Warrenville, Illinois, United States

Running

5K 0.8K

Sep

27

Catskin Days 5k

Carrier Mills, Illinois, United States

Running Walking

5K

Sep

27

Northwest CASA Pumpkin Dash 5k / 10k

Elk Grove Village, Illinois, United States

Running

5K 10K

Sep

26

District 112 FUNd Run and Family Walk

Highland Park, Illinois, United States

Running Walking

5K 1.6K +2

Sep

26

The F.i.r.m. Family 5K Fun Run

Springfield, Illinois, United States

Running

5K

Sep

26

St. Jude Walk-Chicago

Brookfield, Illinois, United States

Running

Kids Dash 5K

Sep

26

I’m Here for the Food (Pantry) 5k

Elk Grove Village, Illinois, United States

Running

5K

Sep

26

Stone Bridge Half Marathon and 5k

Roscoe, Illinois, United States

Running

Half-Marathon 5K

Sep

26

Blueprint to Sucess 5K

Marion, Illinois, United States

Running

5K

Sep

26

Abuelitos 5K

Chicago, Illinois, United States

Running

4.8K