Trail Running Calendar Ontario 2026-2027

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 races and challenges at Kelso Conservation on June 27 2026 include 5K, 10K, MAX Elevation, kids races, a 20K relay and an Energy Mile with $500 in prizes.

A checkpoint-style trail event in Ottawa from Slowpokes Run Club and The North Face, with a 10 to 15 km route through city trails and landmarks and a post-run atmosphere of coffee, food and music.

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 5 km obstacle run at Victoria Park in Kitchener on July 11, 2026 featuring more than 25 obstacles, a large inflatable waterslide and 2.5 million cubic feet of foam. Festival elements include a free Kids Fun Zone, live DJ and food vendors.

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 and mountain races run through Blue Mountain Resort single track trails with a timed 700 ft ascent of the Niagara Escarpment. Multiple distances are offered including a 1.5K kids race and a 50K ultra.

Trail races on the Toronto Bruce Trail with 50 km, 27.5 km and 10 km options, technical single track and shuttle service from Kelso. Aid stations, cup free format and a finisher medal for finishers.

A foam filled 5K at Victoria Park in Kitchener on July 11, 2026 featuring more than 25 obstacles and 2.5 million cubic feet of foam. The event includes a family festival with a Kids Fun Zone, live DJ and food vendors.

Six days and six stages totalling 60 km in Ontario from July 13 to 18, 2026. The event mixes road, cross country, trail and track racing with on-course support, a technical shirt and a 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.

A 5 km foam run at Wasaga Beach Provincial Park on July 18, 2026 with 25 plus obstacles and about 2.5 million cubic feet of foam. The event also features a free Kids Fun Zone, live DJ, food vendors and a licensed beer garden.

Trail races at Area 8 Conservation Area on July 18, held on trails around a former limestone quarry, with distances from 1 km for kids to 24.2 km and course maps and aid stations provided.

An 8 km night trail run at Two Creeks Conservation Area on July 18, 2026, combining singletrack, roots and a horror-themed atmosphere. Presented by The RUNEGADE Podcast, with a portion of proceeds supporting local trails.

Trail running and mountain bike races at Lake Laurentian Conservation Area in Sudbury with single-event and Run + Bike combo options. Adult distances include 6 km and 12 km and there are kids races.

Trail running event in Thunder Bay organized by Thunder Bay Nordic Trails and Fresh Air with cash payment and on site number pickup. Entry is 10 dollars per person or up to 30 dollars per family; a free kids mini fun run follows.