5K Races in Oak Brook, Illinois 2026 — MyNextRace

There are 2 5K races in Oak Brook, Illinois in 2026. The next is the CAI - Illinois Family 5k on October 10.

Sat, Oct 10 · Oak Brook, IL Oak Brook

Road 5k

From $75 Closed

Sat, May 8 · Oak Brook, IL Oak Brook

Road Pink 5k Oak Brook Park DistrictPink 5k Oak Brook Park DistrictPink 5k Oak Brook Park District

From $25 Closed

5K Races in Oak Brook, Illinois