Ontario
Obstacle Race Calendar Ontario 2026-2027
Monthly updates for Ontario
Get new running races (and updates) in your inbox every month.
Explore the best obstacle runs in Ontario for 2026-2027! Our updated list features 17 exciting races across the region. Find your next race in Ontario below and join the running community at these great events!
February 2027
A winter obstacle race at Albion Hills with a snowy 5-6 km course and 14 obstacles, finish-line hot chocolate and a metal finisher medal. Family discounts apply and a Polar Rush buff is included.
May 2027
Obstacle course races at Brimacombe near Toronto on May 15 and 16 2027, with 5 km and 10 km courses, kids races, a 4 hour Hurricane Heat and spectator options.
June 2027
A women-only mud run at Binbrook Conservation Area with under 5 km of course and 17 plus obstacles, held June 5 and 6, 2027.
MUDGIRL Oshawa, June 12 and 13 2027, is a women focused mud run under 5 km with 17 plus obstacles, a race kit, rinsing stations and a minimum age of 7.
Outdoor mud obstacle course in Carleton Place on June 26, 2027 featuring a 6 km route, 15+ obstacles, an All Day Pass for unlimited runs and a finisher medal.
Monthly updates for Ontario
Get new running races (and updates) in your inbox every month.
July 2027
A foam filled 5K at Victoria Park in Kitchener with 25+ obstacles, a kids zone, live DJ, food vendors and a licensed beer garden.
A 5K foam run at Victoria Park in Kitchener featuring 25+ obstacles, 2.5 million cubic feet of foam, a kids fun zone and a festival area with food and a live DJ.
A 5 km obstacle-course fun run on July 17, 2027 at Wasaga Beach with foam, inflatables, food vendors and a free kids zone for young children.
A 5K obstacle run at Boler Mountain in London, Ontario featuring 25 plus foam and water obstacles, about 2.5 million cubic feet of foam, and a family festival area.
Women focused mud run under 5 kilometers with 17 plus obstacles at Wesley Clover Parks in Ottawa on July 24 and 25, 2027.
August 2027
Experience 25 obstacles including the worlds largest inflatable waterslide and 2.5 million cubic feet of foam at this 5 km fun run in Ottawa
Shared obstacle event at Boulevard Lake Park on Aug 7, 2027 with Adults, Kids and K9 challenges and early bird pricing until Nov 30, 2026.
Obstacle course weekend at Calabogie Peaks featuring Sprint, Super, kids races, and Hurricane Heat events on mountain and lakeside trails.
Shared obstacle adventure in Windsor on August 28, 2027 with Adults, Kids and K9 challenges at Malden Park, tickets via Eventbrite and no refunds.
A 5K obstacle-course fun run in the Greater Toronto Area on August 28, 2027, with over 25 optional obstacles, large foam zones, mud pits, a kids zone and festival amenities.
September 2027
Weekend mud run at Gopher Dunes, Ontario with 15K and 5K options, kids events, finisher medal and festival-style spectator access.
October 2027
Two days of Spartan obstacle racing at Blue Mountain with Sprint, Super, Beast and kids races across mountain terrain and over 30 km of course.