Trail Running Calendar Ontario 2026-2027
We have found 120 Trailruns in Ontario. Check below where and when you can find the races.
We have found 120 Trailruns in Ontario. Check below where and when you can find the races.
An in-person family fitness event at Gibbons Park on August 22, 2026 featuring obstacle runs for adults, three youth categories and a K9 course, with specific equipment rules and no refunds.
Trail races at Calabogie Peaks on August 23, 2026 feature wooded singletrack, technical sections and lake views. Distances include 10K and half marathon with average conditions around 18ºC and 272 m altitude.
An obstacle race in Cloyne Ontario on August 29 2026 featuring a 3 km loop, a kids challenge and a 2 hour Endure to complete as many loops as possible. The event includes a festival area, food vendors and cash prizes.
A 5 km obstacle event at Dagmar Ski Resort on August 29 and 30, 2026, with 25 plus obstacles, a foam zone using 2.5 million cubic feet of foam, a free Kids Fun Zone, live DJ and food vendors.
Raid the City is a three hour urban adventure run for teams of two in Hamilton. Teams use maps and a smartphone app to score checkpoints across trails, roads, alleys and parks while travelling on foot.
Trail running event in Thunder Bay organized by Thunder Bay Nordic Trails and Fresh Air, with cash-on-site entry and on-site number pick-up. A free Kids Mini Fun Run follows the main race.
Trail running at Albion Hills Conservation Area in Caledon on September 5, 2026, offering multiple course types from kids events to longer enduro and grit options. Registration uses tiered fees in Canadian dollars with taxes and processing..
Trail races on September 12 and 13, 2026 in Bruce Peninsula National Park and Fathom Five Marine National Park. Distances include 42 km, 21 km, 7 km and a Flowerpot Island 5 km with boat transfer and breakfast.
A road and trail event on September 12, 2026 featuring 5 km, 10 km, a half marathon and a free 1-mile kids race along Lake Nipissing and the Kate Pace Way, with part of registrations donated to YMCA Fill The Bus.
Tough Mudder Toronto at Gopher Dunes on September 12, 2026 offers 5K and 15K obstacle courses, finisher medals and apparel, plus a Mudder Village with entertainment and local food.
UNFINISHED is a Backyard Ultra at Woodbine Beach Park where runners repeat a 6.71 km loop each hour and decide how far to go. Event options include an elimination format, a 15 hour open challenge, and a single community loop.
A family oriented survival style obstacle challenge at Paramount Fine Foods Centre in Mississauga. The event includes adults, kids and dogs and uses varied terrain with undisclosed obstacles. Tickets range from CAD 40.54 to CAD 107.64.
The 2026 London Spartan Event Weekend at Gopher Dunes in Courtland features Sprint (5 km, 20 obstacles) and Super (10 km, 25 obstacles) courses across farmland and forest trails. PARA heats and spectator tickets are offered.
A two-loop 5 km trail run at Bechtel Park in Waterloo on September 13, 2026, chip timed with reusable chips. Free for Run Waterloo members, standard entry listed as $15 plus fees.