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Trail Running Calendar Canada 2026-2027

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Explore the best trail runs in Canada for 2026-2027! Our updated list features 404 exciting trail runs across the country. Find your next trail run in Canada below and join the trail community at these great events!

May 2027
Trail running at Lake Cowichan on May 8 2027 featuring 26 km, 13 km and a 1 km kids race with aid stations and course maps on Trail Forks.
A shared obstacle adventure on May 8, 2027 in Kamloops with adult, kids, and K9 courses at Westsyde Centennial Park; tickets via Eventbrite, no refunds.
Multisport festival in Gatineau on 9 May 2027 with multiple trail distances, family zones, live performances and food vendors.
Trail races at Terwillegar Park in Southwest Edmonton with kid races, sport and enduro distances, technical single track, and wooden finisher medals.
An app-based Wings for Life World Run in Toronto on 9 May 2027 where runners and wheelchair participants on a Dundas Valley rail trail run until a Virtual Catcher Car catches them.
Evening 5 km trail runs in Ottawa on the second Tuesday from May to August with a small fee, post-race refreshments and a custom t shirt quilt prize for full-series participants.
Obstacle course races at Brimacombe near Toronto on May 15 and 16 2027, with 5 km and 10 km courses, kids races, a 4 hour Hurricane Heat and spectator options.
A timed loop trail run in Goodrich Loomis Conservation Area where runners complete as many roughly 7 km loops as possible in 2, 4, or 6 hours.
A backyard ultra at Réservoir Beaudet where runners complete a 6.7 km loop each hour until only one runner remains, with specific rules for crews and assistance.
A shared obstacle event in Grande Prairie on May 15, 2027, with adult, kids and K9 courses; tickets via Eventbrite and no refunds.
Timed community trail event in Golden BC on a 6.2 km loop with 8 hour and 12 hour solo and team formats and volunteer lap tracking.
Trail races at Bear Mountain in Mission BC offering 30K, 15K and 8K on mossy West Coast singletrack with aid stations and a cupless policy.
Backyard ultra where runners repeat 6706 m loops each hour until one runner completes more loops than the others, with proceeds supporting Olive Tree Projects.
Season opening multisport day at Sasamat Lake on May 16, 2027 featuring open water swims, SwimRun, trail runs and a new aquathlon.
Trail running weekend at Historic Reesor Ranch in the Cypress Hills with a 50 mile race, 42 km mountain marathon, 10 km and 5 km events, camping and meals.
Trail running in Rockwood Park with three distances around 11 km, 26 km and 52 km on technical singletrack and some crushed gravel.
Trail event in Lévis on 22 May 2027 featuring a 6.70 km non technical loop with 16 m of elevation along riverside forest trails near Quebec City.
Sunset 5K and 10K trail runs from Millennium Park in Canmore on May 22, 2027, with timed results, cupless hydration, a finish-line cupcake, and a donation to Heart Mountain Rescue.
Two point-to-point trail races on the North Shore finishing at Deep Cove, featuring the Powerline climb and stocked aid stations.
Adventure orienteering across Southern Ontario May 16 to 18 2026 with timed Choose Your Adventure formats and virtual MapRun courses.
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