Trail Running Calendar Ontario 2025-2026

We have found 51 Trailruns in Ontario. Check below where and when you can find the races.

The Seaton Scramble Trail Race will take place in Pickering on Saturday 9 May 2026.

The First Hour : event details The First Hour is the first event in the Happy Hour Friday Night Series. It takes place on May 15, 2026, at Goodrich-Loomis Conservation Area in Castleton, Ontario. The event is organized by Dirty Soles Trail..

Experience historic trails in Dundas Valley at the Sulphur Springs Trail Race on May 23 and 24, 2026, with a challenging 20K loop of rolling hills and steep climbs. Distances range from 10K to 100 miles, plus team relays, and the event is a..

Event overview Tails on Trails 2026 is a community fundraising event on Sat, May 30, 2026 at Bechtel Park, Bridge Street West, Waterloo, ON, Canada. The event supports the Humane Society of Kitchener-Waterloo and Stratford Perth. The fundra..

June 2026

Explore scenic trails at Crawford Lake Conservation Area with the 5 Peaks Trail Running Series on June 6, 2026. Enjoy varied terrain, community spirit and a rewarding outdoor day for runners and nature lovers alike.

Boomerang Trail Run : Batawa, Ontario The Boomerang Trail Run is a looped trail event at Batawa Ski Hill, Ski Club Lane, Batawa, ON, Canada, held on June 13, 2026. The loop is about 7 km+ long. Participants choose how many loops to complete..

Hit scenic forest trails at the Northumberland Run on June 14 with distances from short loops to a 24.6K challenge. Field limited to 100 runners, courses are self supported and a costume prize crowns the Gumpiest runner.

The Whole Enchilada is a trail running race held at Trail Hub in Uxbridge, Ontario, in Canada’s trail capital, Durham Region. It offers multiple distances: The Full Enchilada (50 km), Half Enchilada (25 km), Mini Enchilada (8 km), Hike Ench..

July 2026

The Limberlost Challenge is a multi-distance trail ultrarace set in the Limberlost Forest and Wildlife Reserve near Muskoka, Ontario. Distances include 7 km, 14 km, 28 km, 42 km and 56 km, with runners navigating technical sections and fast..

Dark & Dirty Night Trail Run The event is a night trail run on Saturday, July 11, 2026, at Batawa Ski Hill, Ski Club Lane, Batawa, ON, Canada. Two distances are offered: 7 km 14 km Course and event details The trails are well marked a..

ENDURrun Prelim 2026 is a multi day stage race in the Waterloo region, July 13 to 18, covering six stages totalling 60 km. Only 75 spots, featuring road, trail and time trial stages, plus a tech tee and finisher medal.

XTERRA Conquer the Crater : Greater Sudbury, Ontario (Jul 18-19, 2026) XTERRA Conquer the Crater is an XTERRA World Tour event held in Greater Sudbury, Ontario on July 18-19, 2026. One hundred percent of proceeds support the Northern Cancer..

One More Hour : Event information One More Hour is the second event in the Happy Hour Friday Night Series, scheduled for July 24, 2026. The event takes place at Sugarbush Vineyards & Winery on Wilson Road in Hillier, Ontario. It is pres..

Event overview Tally in the Valley Trail Race takes place on July 25-26, 2026 at Dundas Valley Conservation Area in Hamilton, ON, Canada. The event is sanctioned by Athletics Ontario and lists La Sportiva as an equipment partner. Race forma..

August 2026

Event overview Persistence Backyard Ultra is an affiliated backyard ultra taking place on August 1, 2026 at Eco Park, 15889 Medway Road, Arva, Ontario, Canada. The event is capped at 67 participants and will donate a portion of each registr..

Run the Falling Water Trail Marathon or Half in Eugenia on Aug 8 and 9, 2026 on the rugged Bruce Trail. Limited to 100, this hilly single track race offers a two day option for two medals and benefits the trail club.

XTERRA Sleeping Giant : Aug 9, 2026, Boulevard Lake, Thunder Bay, Ontario, Canada XTERRA Sleeping Giant is an off-road multi-sport event on Aug 9, 2026, held at Boulevard Lake and Kinsmen Park in Thunder Bay. The event is part of the XTERRA..

Take on 80 km over eight stages across the scenic Waterloo region in the annual ENDURrun Sport. Limited to 75 spots, the race includes a tech shirt, finisher medal, course support and varied trail track and road running.

Event overview The Last Hour is part of the Happy Hour Friday Night Series and takes place on August 21, 2026 at Vanderwater Conservation Area in Thomasburg, Ontario. The event is an 8 km trail run on gently rolling terrain. The course runs..

Timber24 is a 24 hour trail relay at Hardwood Ski and Bike near Barrie where teams of 4 or 8 cover 192 km by sending a runner on an 8 km lap every hour. Expect a festival atmosphere with on site camping, food, an expo and a Beer Garden.