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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 10 exciting races across the region. Find your next race in Ontario below and join the running community at these great events!

February 2026
Feb
28
Saturday

Polar Rush

Obstacle Run 6 km
May 2026
May
23-24
Sa - Su

Toronto Spartan Event Weekend

Obstacle Run 5 km 10 km 4 hr
July 2026
Jul
11
Saturday

The 5K Foam Fest - Kitchener, ON

Obstacle Run 5 km
Jul
18
Saturday

The 5K Foam Fest - Wasaga Beach, ON

Obstacle Run 5 km
Jul
25
Saturday

Mud Hero Ottowa

Obstacle Run 6 km
Jul
25
Saturday

The 5K Foam Fest - London, ON

Obstacle Run 5 km
August 2026
Aug
22-23
Sa - Su

Ottawa Spartan Event Weekend

Obstacle Run 5 km 10 km 4 hr 12 hr
September 2026
Sep
12
Saturday

Tough Mudder - Toronto

Obstacle Run 5 km 15 km
Sep
13
Sunday

London Spartan Event Weekend

Obstacle Run 5 km 10 km
October 2026
Oct
17-18
Sa - Su

Blue Mountain Spartan Trifecta Weekend

Obstacle Run 5 km 10 km Half Marathon
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