Trail Running Calendar Ontario 2025-2026

We have found 53 Trailruns in Ontario. Check below where and when you can find the races.

Tackle rugged lakeside trails and wetland scenery at Limberlost in Huntsville, with distances from a kids 1 km up to an epic 56 km. Expect steep climbs, technical footing, creek crossings and a true trail running challenge.

Run under the stars on rugged trails at Batawa Ski Hill for Dark & Dirty on July 11, 2026, with 7 km and 14 km options. Headlamps are required, and race shirts, finisher medals, water stations and snacks will keep you going.

Summit 700 at Blue Mountain on July 11 invites trail runners to test single track trails and a timed 700ft Niagara Escarpment ascent, highlighted by a point to point 50K ultra and relay. Finish with patio BBQ, music and new medal and shirt.

Run the Bruce Trail at Kelso Conservation Area on July 11, 2026 with 10, 25 and 50 km point to point courses for a capped field of 200. Expect varied single track, aid stations and shuttles, plus a donation to the Toronto Bruce Trail Club.

Six days, six stages totalling 60 km through Waterloo region towns, from trails and cross country to track and road. Limited to 75 runners, ENDURrun Prelim blends competition and community with on course support, leader bibs, a finisher med..

XTERRA Conquer the Crater in Greater Sudbury offers trail runs, triathlons and a lively festival with music, beer garden, kids day and an expo. Proceeds benefit the Northern Cancer Foundation Miles Against Cancer Fund.

Tally in the Valley returns to Dundas Valley in Hamilton on July 25 and 26, with scenic 7 km loops through Carolinian forest. Choose from 7 km, 21 km, 100 miles and 6 12 and 24 hour events, with La Sportiva demos and giveaways.

August 2026

Take on the Falling Water Trail Marathon or Half in Eugenia, Ontario at Beaver Valley Ski Club, on the rugged Bruce Trail with steep climbs, waterfalls and rocky single track. Limited to 100 runners per distance; bring your own cup or bottl..

Take on ENDURrun 2026, an eight day staged adventure around Waterloo Ontario from Aug 9 to 16, with a 160 km Ultimate or an 80 km Sport across road, trail, cross country and track. Expect challenging stages and limited spots.

Explore scenic Kawartha Lakes trails at the Middle Path Ultra and Trail Race on Saturday, August 15. From ultra to shorter courses, this green event celebrates accessibility and environmental stewardship for runners of all levels.

Join XTERRA Sleeping Giant in Thunder Bay for off road triathlons, duathlons and trail runs set on scenic Boulevard Lake and Shuniah Mines trails by Lake Superior. Expect flowing singletrack, punchy hills and true off road adventure.

Devil's Key offers 16.66 km, 33.3 km or the epic 66.6 km on the Bruce Trail with steep climbs, bold views and the famous Keyhole. Sanctioned by Athletics Ontario, the race donates $20 per entry to the Blue Mountains Bruce Trail Club.

Run wooded singletrack and steep climbs with sweeping views over Lake Calabogie at Calabogie Peaks. Choose a 10K or half marathon as part of the Spartan festival weekend for a challenging summer trail experience.

September 2026

Run winding singletrack along the Humber River at Albion Hills Conservation Park, with options for beginners to experienced trail runners and family friendly kids races. Enjoy on site camping and a pool for a fun post race unwind.

The SOO 200 is a 200 mile trail ultramarathon around Sault Ste Marie, Ontario, across rugged Canadian Shield terrain and coastal singletrack. Sinister Sports offers satellite tracking, stocked aid stations, pro photography and race dinners.

Run the rugged, scenic trails of Haliburton Forest in this long running trail race weekend featuring distances from 12K up to 100 mile. Expect hilly, forested singletrack, lakeside views and a friendly ultrarunning atmosphere.

Celebrate the 10th anniversary of the Tobermory Trail Race Weekend on the wild Bruce Peninsula with trail runs from 5K to marathon across national park scenery. Enjoy a unique 5K on Flowerpot Island complete with boat tour and breakfast.

The North Bay Road Race will take place in North Bay on Saturday 12 September 2026. You can run between 5 and 21 kilometers.

The Kincardine 7K Trail Challenge is the seventh annual trail race in Kincardine, welcoming both runners and walkers. The course starts and finishes at Station Beach and covers 7 kilometers of trail terrain. The event emphasizes a friendly,..

Join the 13th Kitchener Kids with Cancer on Sept 19 at Kiwanis Park for scenic trail 5 km and 10 km races that benefit pediatric cancer care. Family friendly with a free kids 200 m, medals for finishers, music and food trucks after the race..