Trail Running calendar near Saint Marys 2026-2027

Trail race at Wildwood Conservation Area with day and night options and distances of 10 km, 25 km and 50 km. The course features lake views, variable terrain, staffed aid stations and required lighting, with proceeds supporting Ontario Natu..

Trail race in Cambridge Ontario on May 9, 2026 offering 12.5 km, 25 km, 50 km, a 12 hour event and a team relay. Races use repeated 6.25 km loops and the event includes fundraising for KidsAbility.

A chip timed 4 km on Cambridge’s Mill Run Trail on May 16, 2026. The certified crushed gravel course is an out and back with parking at Riverside Park and reusable chip timing.

A fundraising trail event at Bechtel Park offering 5K and 2.5K options with or without dogs plus a 200 m Pup Run. Fundraising tiers unlock event apparel and swag.

A timed event in London, Ontario where all runners start together and try to get as far as possible from the common start within set times. Winners are those farthest away as the crow flies.

A 5K obstacle fun run at Victoria Park on July 11, 2026 featuring over 25 obstacles, a large inflatable waterslide, mud pits and 2.5 million cubic feet of foam. Festival access and a free Kids FUN Zone are included with entry.

A 5 kilometre obstacle run at Victoria Park in Kitchener on July 11 2026 with more than 25 obstacles and 2.5 million cubic feet of foam. The event includes a free kids fun zone, live DJ, food vendors and a licensed beer garden.

Six days, six stages and 60 kilometres in the Conestogo and Waterloo area. A staged event across road, trail, cross country and track with capped registration and time limits.

A foam filled 5K at Boler Mountain on July 25, 2026 featuring 25 plus obstacles and about 2.5 million cubic feet of foam. The event includes a family festival area with a free Kids Fun Zone, live DJ and food vendors.

A Backyard Ultra at Eco Park in Arva where runners repeat a 6.7056 km hourly loop until one runner completes one more loop than the rest. Field capped at 67; this Silver Ticket event supports the Children's Health Foundation.

Eight days and eight stages across Waterloo Region from August 9 to 16, 2026, combining road, trail, cross country and track. Technical shirt included and finisher medal awarded; entries are limited and non refundable.

Trail event in Exeter on August 30, 2026, offering 3.25K and 8K courses with bridge crossings along a river valley. Proceeds support Friends of the Trail for future trail maintenance.

Tough Mudder Toronto takes place September 12, 2026 at Gopher Dunes in Courtland Ontario. Options include a 15K with 20+ obstacles, a 5K with 12+ obstacles, spectator Mudder Village and group or VIP options.

Obstacle course weekend near London Ontario at Gopher Dunes on September 13, 2026. Sprint 5 km with 20 obstacles and Super 10 km with 25 obstacles. PARA heat and spectator tickets are available.

A chip timed trail race at Bechtel Park in Waterloo on September 13, 2026. The certified 5 km runs as two loops with limited services and free entry for Run Waterloo members.

A community fundraising run at Kiwanis Park in Kitchener on September 19, 2026 offering 5 km, 10 km and a kids 200 m. The event benefits the Pediatric Oncology Group of Ontario and includes a technical t-shirt for early registrants and fini..

Family focused Thanksgiving Monday running event in London ON with 6.5K 2K and a Kiddy Trot, with donations collected for the London Food Bank.

Trail races around Fanshawe Lake in London Ontario featuring 25 km walk, 25 km run and a 50 km two-loop option. Regular aid stations, timed results, finisher medal and post race meal.

Trail race on a 2.5 km loop at Camp Heidelberg in Waterloo on October 17, 2026 with options up to 50 km plus a 6 hour event and a 6 hour relay. The race is sanctioned by Athletics Ontario and raises funds for Run Walk Roll for WRHNCC.

A charity run and walk at Springbank Park on October 17, 2026 in support of Humane Society London & Middlesex. Features 5 km and 1 km routes, team fundraising, chip timing on request, and a race pack with T shirt and dog treat.