Trail Running Calendar Ontario 2026-2027

We have found 64 Trailruns in Ontario. Check below where and when you can find the races.

Trail event on June 13, 2026 at Earl Rowe Provincial Park in Alliston offering looped distances from 6K up to 62K plus a 12K virtual option. Mostly wide trail with varied surfaces, aid stations, cup free service and a finisher medal.

Run scenic Northumberland forest trails on Sunday June 14, 2026 while supporting St. John Ambulance. Choose 3 km, 7.5 km, 9 km or a 24.6 km self supported course and grab one of just 100 spots.

Trail and road 10 km, 5 km and a 1 km kids dash at Elgin Park; proceeds support the Uxbridge Hospital and entrants 16+ enter the Diamond draw.

Tackle technical singletrack and big climbs in Durham Forest at The Whole Enchilada on June 20, 2026, with distances from a 1 km kids dash to a challenging 50 km. Eco friendly cup free event at Trail Hub with aid stations and onsite awards.

Time based trail event on June 20, 2026 at Marydale Park using a 3.7 km loop, offered as a 15 hour 23 minute solo format or a team relay for up to five runners, with one aid station, shirt and medal and funds to the C.Y.O. camp program.

Trail running event at Kelso Conservation on June 27, 2026 offering 2K, 5K, 10K, MAX Elevation and a 20K relay. Courses include aid stations, professional chip timing and a post event village with awards.

July 2026

Trail race on July 4 2026 at Limberlost Reserve offering 7 to 56 km loops plus a free 1 km kids run. Varied natural terrain, marked course, post race lunch and participant items included; event is cupless.

A night trail run at Batawa Ski Hill offering 7 km and 14 km on marked technical trails with mandatory lights and on-course aid.

A trail running day on July 11, 2026 at Blue Mountain Resort featuring distances from a 1.5 km kids race to a 50 km point-to-point ultra, a timed 700 ft ascent and a post-race patio with BBQ and music.

Trail races along the Toronto Bruce Trail on July 11, 2026, offering approx. 52 km, 27.5 km and 10 km options, point to point courses with shuttle service for longer distances and cup free aid stations.

ENDURrun Prelim is a six stage 60 km running challenge across southern Ontario from July 13 to 18 2026. Enjoy road, trail, cross country and track stages around Waterloo and Cambridge for a varied and fast paced multi terrain adventure.

XTERRA Conquer the Crater in Greater Sudbury (July 18–19, 2026) offers off-road triathlon, duathlon and trail races as part of the XTERRA World Tour, with all proceeds supporting the Miles Against Cancer pediatric fund.

The 5 Peaks - Area 8 will take place in Milton on Saturday 18 July 2026. You can run between 8 and 24 kilometers.

Trail running at Dundas Valley Conservation Area with a 7 km loop, timed 6 12 24 hour races, a 100 mile option, a 21 km race and the Gong Show elimination event. The course is wooded with rolling hills and about 130 m gain per lap.

August 2026

Trail racing on the Beaver Valley section of the Bruce Trail featuring a full marathon, half marathon and The Bruce Deuce. Rocky, hilly courses with spaced aid stations and an 11 hour marathon cutoff.

Race 80 KM over eight varied stages across road, trail, cross country and track near Conestogo Ontario, August 9 through 16 2026. Limited to 75 participants with kit pickup and finisher medals for all finishers.

Trail race in North Kawartha on August 15 2026 offering 2 km kids run, 13 km, 26 km, 13 km team and 52 km ultra. The event is part of the Outrace Series and emphasizes environmental initiatives.

A one day off road event in Thunder Bay on August 16 2026 featuring off road triathlon, duathlon and trail runs on purpose built mountain bike and running trails.

Tackle Devil's Key on the Bruce Trail in Duntroon for a rugged, technical adventure with the Keyhole crawl and Devil's Glen climb. Choose from 16 to 66 km, enjoy La Sportiva demos and support the Blue Mountains Bruce Trail Club.

Trail races at Calabogie Peaks feature wooded singletrack, technical sections and lake views. Distances include 10K and half marathon during a Spartan OCR festival weekend.