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Obstacle Race Calendar Ontario 2025-2026

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

May 2025
May
17-18
Sa - Su

Toronto Spartan Event Weekend

Obstacle Run 5 km 10 km 4 hr
June 2025
Jun - Aug
21-23
Sa - Sa

Mud Hero

Obstacle Run
Jun
21
Saturday

Apex X

Obstacle Run 3 km 7 km
August 2025
Aug
22-24
Fr - Su

Ottawa Spartan Event Weekend

Obstacle Run 5 km 10 km 4 hr 12 hr
Aug
30
Saturday

North of 7 Challenge

Obstacle Run 3 km 2 hr
September 2025
Sep
13-14
Sa - Su

Tough Mudder - Toronto

Obstacle Run 5 km 15 km
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