Ontario
Trail Running Calendar Ontario 2026-2027
Explore the best trail runs in Ontario for 2026-2027! Our updated list features 106 exciting trail runs across the region. Find your next trail run in Ontario below and join the trail community at these great events!
May 2027
Team based points race across the Canadian Shield in Parry Sound ON on May 2, 2027, with 6 hour and 3 hour options and optional training on May 1.
Join an 8 km trail run through the Goodrich Loomis Conservation Area in Brighton, featuring natural terrain and a community focused atmosphere as part of the Happy Hour Series.
Spartan obstacle weekend at Brimacombe near Toronto with 5 km and 10 km courses, kids races, and a 4 hour Hurricane Heat.
Adventure orienteering across Southern Ontario May 16 to 18 2026 with timed Choose Your Adventure formats and virtual MapRun courses.
June 2027
A multi-distance trail event on the Bruce Trail with a 200 mile out and back, a 100 mile point to point, and a 72.5 km end to end through Blue Mountains and Caledon Hills.
Trail 5 km at McCauley Mountain in Prince Edward County, cupless with manual timing and day of registration available.
A trail running event in Uxbridge offering multiple distances across Durham Region trails, with on-course aid stations, sustainability measures, and community donations.
A muddy 6 km obstacle course at Ultimate Family Adventure Park in Carleton Place on June 26, 2027, with 15+ OCR style obstacles, an all day pass option and a finisher medal.
July 2027
A 5K foam run at Victoria Park in Kitchener with over 25 obstacles, 2.5 million cubic feet of foam, a Kids Fun Zone and food vendors.
Experience the Batawa trails after sunset at the Dark and Dirty Night Race featuring 7 km, 14 km, and 21 km distances on technical terrain.
Utopia Backyard Ultra at Tiffin Centre: one 6.7056 km loop every hour, with Backyard 6, Backyard 12 or the Full BYU formats until one finisher remains.
A 5K obstacle run at Victoria Park in Kitchener featuring 25 plus obstacles, large foam zones and a festival area with a Kids Fun Zone, live DJ and food vendors.
A 5 km festival run at Wasaga Beach with more than 25 obstacles, foam zones, a kids area, live DJ, food vendors and a licensed beer garden.
A casual trail race of about 6K at Sugarbush Vineyards in Hillier, ON, part of the Happy Hour Series with cupless policy and manual timing.
A 5 km obstacle-course fun run in London ON with foam, inflatable attractions, mud pits and a free kids zone for young children.
August 2027
An obstacle course 5K at Wesley Clover Parks with over 25 obstacles, abundant foam, mud pits, festival vendors and a free kids zone for children six and under.
Eight day running event in Ontario offering two formats: Ultimate 160 KM over 7 stages and Sport 80 KM over 8 stages across road trail and track.
A three-day Spartan obstacle weekend at Calabogie Peaks featuring Sprint, Super, kids races and Hurricane Heat events on mountain and lakefront terrain.
An 8 km trail race at Vanderwater Conservation Area in Thomasburg with gently rolling terrain, no aid stations, manual timing and day of registration.