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Obstacle Race Calendar Ontario 2026-2027

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Monthly updates for Ontario

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Explore the best obstacle runs in Ontario for 2026-2027! Our updated list features 12 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
Sa

Polar Rush

Obstacle Run 6 km
May 2026
May
16-17
Sa - Su

Hyrox Ottawa

Obstacle Run
May
23-24
Sa - Su

Toronto Spartan Event Weekend

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

The 5K Foam Fest - Kitchener, ON

Obstacle Run 5 km
Jul
18
Sa

The 5K Foam Fest - Wasaga Beach, ON

Obstacle Run 5 km
Jul
25
Sa

Mud Hero Ottowa

Obstacle Run 6 km
Jul
25
Sa

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
Sa

The 5K Foam Fest - Toronto, ON

Obstacle Run 5 km
September 2026
Sep
12
Sa

Tough Mudder - Toronto

Obstacle Run 5 km 15 km
Sep
13
Su

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