Trail Running Calendar Ontario 2026-2027

We have found 119 Trailruns in Ontario. Check below where and when you can find the races.

A trail running event at The Limberlost Forest and Wildlife Reserve on July 4, 2026. Multiple distances from 7 km to 56 km on forest trails with technical sections, with selected participant amenities and charity support for youth initiativ..

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 5K obstacle and foam event on July 18, 2026 at Wasaga Beach Provincial Park featuring 25 plus obstacles, about 2.5 million cubic feet of foam, a free kids 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.

A trail running and mountain bike event at Lake Laurentian Conservation Area on July 19, 2026. Multiple adult and youth distances are offered along with a Run + Bike Combo.

RUN - The Salty Marie Trails Fest 2026 is organized by Red Pine Tours and uses Zone4 for registration. Registration closes on Jul 19 and an optional QuickList can save participant details for future entries.

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.

An informal 6 km trail run on Sugarbush Vineyards' private trails as part of the Friday Night Happy Hour series, with cupless policy, water at start/finish, manual timing and on-site registration options.

Mud Hero Ottawa is a 6 km mud and obstacle course event on July 25, 2026 at Commando Paintball. It offers an all day pass, a finisher medal, DJ music, food trucks and a beer garden for 19 plus.

A 5K run at Boler Mountain on July 25 2026 featuring more than 25 obstacles and 2.5 million cubic feet of foam. Festival offerings include a free kids zone live DJ food vendors and a licensed beer garden.

Trail event at Dundas Valley with a 7 km loop and multiple formats from a single loop to 100 miles plus 6 12 and 24 hour races. The race is sanctioned by Athletics Ontario and features partners La Sportiva and THN Labs.

A volunteer-run trail event at Hersey Lake Conservation Area offering a half marathon plus 10 km and 5 km options. Proceeds support Timmins' running community and registration carries a small online processing fee.

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