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!
August 2026
A 5K obstacle-course fun run at Wesley Clover Parks with over 25 obstacles, foam and mud, a free kids zone and festival amenities.
Spartan obstacle course weekend at Calabogie Peaks near Ottawa featuring Sprint, Super, kids races and multihour Hurricane Heat events.
A mud and obstacle run at Albion Hills with a 6 km course, finisher medal, live DJ and food trucks. An all day pass lets participants run multiple times and the event is open to ages 12 and up.
Family-focused obstacle event at Gibbons Park with adult, kids and K9 courses, survival style obstacles and a team tethering system.
An obstacle race in Cloyne Ontario on August 29 2026 featuring a 3 km loop, a kids challenge and a 2 hour Endure to complete as many loops as possible. The event includes a festival area, food vendors and cash prizes.
Monthly updates for Ontario
Get new running races (and updates) in your inbox every month.
Family fitness event at Malden Park on August 29, 2026 featuring varied terrain obstacles, medals for participants, and a welcome for family dogs.
A foam filled 5K with 25 plus obstacles and a festival atmosphere at Dagmar Ski Resort near Uxbridge Toronto, including a free Kids Fun Zone.
September 2026
Tough Mudder Toronto at Gopher Dunes on September 12, 2026 features 5K and 15K obstacle courses, spectator passes, group packages and finisher rewards.
A family oriented obstacle challenge in Mississauga with courses for adults, children and dogs at the Paramount Fine Foods Centre.
Obstacle course races at Gopher Dunes in Courtland ON on September 13 2026 with a 5 km sprint of 20 obstacles and a 10 km super of 25 obstacles.
A 10th anniversary 5 km bootcamp-style obstacle run at Chinguacousy Park with supervised stations, a free Fan Zone for kids and citywide try-it demonstrations.
October 2026
Two days of obstacle-course racing at Blue Mountain Ski Resort featuring Sprint, Super, Beast distances plus kids races and a Trifecta medal for completing the three main events.
A 5K obstacle course at Mastronardi Estate Winery in Kingsville on October 18, 2026, featuring wine at each kilometre, official timing, and proceeds to Ronald McDonald House.
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
A weekend of Spartan obstacle races at Brimacombe near Toronto, featuring 5 km and 10 km courses, kids races, a 4 hour Hurricane Heat, and spectator access.
July 2027
An obstacle course 5K at Victoria Park on July 10, 2027 featuring over 25 optional obstacles, a kids zone, food vendors and a beer garden.
A 5 km obstacle fun run at Boler Mountain on July 24, 2027 with foam, inflatable slides, mud pits, a kids zone and a festival area.