Past events in Cook County

17 past events in Cook County, sorted by most recent.

Past events in Cook County
Event	Last held	Organiser
H-F Beast Obstacle Course Dash 2 Miles	Jul 2026
The Universal Sole Summer Trail Challenge 3 Miles6 Miles9 Miles	Jun 2026
Hoffman Estates Stars & Stripes Half Marathon, 10K & 5K 5k10k13.1 MilesHalf Marathon	Jun 2026
5th Annual Fox Trot 5K 3.1 Miles5k	Jun 2026
Ross Bogue Memorial Run the Hills 5k 5k	May 2026
2026 Willard 5k Fun Run 5k	May 2026
Palos Park Doggie Dash 5k	May 2026
CHICAGO 7-11 Hour Endurance Run	May 2026
F^3 Cap Sauers Trail Marathon & 10 Mile 10 Miles26.2 MilesMarathon	May 2026
Haven's 5K 5k	May 2026
Insight Y.O.B Walk-A-Thon 2026 5k	May 2026
The Universal Sole Spring Trail Challenge 3.1 Miles5.4 Miles	May 2026
Avoca School District 37 Family Fun Run/Walk Please note date change 3 Miles	Apr 2026
Healthy Kids Running Series Spring 2026 - La Grange/Countryside, IL	Apr 2026
Healthy Kids Running Series Spring 2026 - Hoffman Estates/Palatine, IL	Apr 2026
Winnetka Bunny Hop Dash 5k 3.1 Miles5k	Apr 2026
The Muddy Waters 5k: A Spirits Run at Fat Tommy’s 5k	Mar 2026

Sorted by most recent. Past events are kept permanently in this archive.