Trail Running Calendar Ontario 2026-2027

Trail running event in Roseneath on June 14 2026 offering four route choices from a timed 3 km loop to a 24.6 km combined route. The event is self supported with aid available at the start area.

Two trail-and-road runs in Uxbridge : 10 km and 5 km : starting and finishing at Elgin Park. A fundraiser for the new Uxbridge Hospital, with online registration open Feb 1 to June 10, 2026.

Trail running event at Trail Hub in Uxbridge offering multiple distances from 50 km down to a 1 km kids run. The event features marked trails, aid stations and environmental giving with a cup free policy.

A 15 hours 23 minutes trail event on June 20, 2026 at Marydale Park offering an individual timed option and a relay for teams up to five. The course uses an approx 3.7 km loop on mixed trails with one aid station per loop.

Runners start together in London, Ontario and pick their own routes to get as far as possible from the start within set time limits. The race includes 8 hour, 4 hour and 2 hour categories and uses live tracking for verification.

Trail running event in Thunder Bay, ON organized by Thunder Bay Nordic Trails and Fresh Air. Registration closes June 23, 2026, with cash payment and bib pick up on site. A free kids Mini Fun Run follows the main event.

Utopia Backyard Ultra at the Tiffin Centre for Conservation uses a 4 miles 880 feet loop run every hour until only one finisher remains. Fixed 6, 12 and 24 hour options, camping and aid station snacks are provided. Registration is sold out.

An endurance trail event at Kamview Nordic Centre in Thunder Bay on June 27, 2026 offering solo 24 hour, 12 hour, 6 hour, relay and Youth 4 hour options. Chip timed with aid station services, onsite amenities and distance based medals.

Trail event on June 27, 2026 at Kelso Conservation offering 5K, 10K, MAX Elevation, 20K relay and kids options. The course uses roughly 3 km loops with notable elevation, aid stations and chip timing.

A 10 to 15 km checkpoint-style trail race in Ottawa where participants visit checkpoints in any order and start and finish at Little Victories Coffee Roasters. The event features coffee, food, DJs and a post-race party.

The MT Adventures Trail Run Series will take place in Kingston on Saturday 27 June 2026. You can run 21 kilometers.

Trail races through forest and lakes at The Limberlost Forest and Wildlife Reserve on July 4, 2026. Multiple distances include a kids fun run plus longer races with on course support and a participant medal.

Trail running event in Thunder Bay organized by Thunder Bay Nordic Trails and Fresh Air. Entry is cash on site with on site bib pickup, and a free kids mini fun run follows the main event.

A 5K obstacle event at Victoria Park in Kitchener on July 11, 2026, featuring 25+ obstacles and 2.5 million cubic feet of foam. Festival features include a free kids zone, live DJ, food vendors and a licensed beer garden.

Night trail running at Batawa Ski Hill with 7 km and 14 km routes, mandatory lights and manual timing. Cupless aid, midway supplies for 14 km, and awards including custom medals for top finishers.

Trail runs from 1.5 km to 50 km at Blue Mountain Resort on July 11, 2026. Routes run up and down the Niagara Escarpment with views of Georgian Bay and include an ultra and relay option.

A point to point trail race on the Toronto section of the Bruce Trail on July 11, 2026, offering 50 km, 27.5 km and 10 km courses. Routes follow white blazes through conservation areas and notable sites with spaced aid stations and technica..

A 5 kilometre obstacle run at Victoria Park in Kitchener on July 11 2026 with more than 25 obstacles and 2.5 million cubic feet of foam. The event includes a free kids fun zone, live DJ, food vendors and a licensed beer garden.

Six days and six stages totaling 60 km around Waterloo and Cambridge in July 2026. A multi-discipline event combining road, trail, cross country and track with a tech shirt and finisher medal.

A four-date trail race series in Ottawa offering a 5 km race per date, sanctioned by Athletics Ontario. The route has marked kilometres, one water station, on-site washrooms and light post-race refreshments.