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Illinois Obstacle Race Calendar 2025-2026

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Explore the best obstacle runs in Illinois for 2025-2026! Our updated list features 6 exciting races across the region. Find your next race in Illinois below and join the running community at these great events!

May 2026
May
2
Saturday

Dark Ages Night Obstacle Race

Obstacle Run 5 km
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
15
Saturday

Highlander Assault Obstacle Race

Obstacle Run 5 km 15 km
Aug
29-30
Sa - Su

Tough Mudder - Chicago

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

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