Illinois close

Illinois Obstacle Race Calendar 2025-2026

Header image

Explore the best obstacle runs in Illinois for 2025-2026! Our updated list features 5 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

October 2025
Oct
26
Sunday

SAO HYROX Full SIM

Obstacle Run
May 2026
May
23
Saturday

Frontline OCR

Obstacle Run 5 km 10 km
July 2026
Jul
11
Saturday

Savage Race - Chicago

Obstacle Run 3 mi 7 mi
August 2026
Aug
29-30
Sa - Su

Tough Mudder - Chicago

Obstacle Run 5 km 15 km 8 hr
September 2026
Sep
4-6
Fr - Su

The Ultimate Suck

Obstacle Run 4 hr 12 hr 36 hr
Articles
Top 10 Marathons in the Netherlands — The Ultimate Dutch Marathon Bucket List: 10 Unmissable Races
The Beauty of the Easy Run — Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series