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

November 2025
Nov
9
Sunday

Deka Strong: Farm Girl Fitness

Obstacle Run
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
11
Saturday

The 5K Foam Fest - Tri-Cities, 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
Aug
29
Saturday

The 5K Foam Fest - Toronto, ON

Obstacle Run 5 km
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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