Trail Running calendar near Waterloo 2026-2027

A time-based trail event at Marydale Park on June 20, 2026 lasting 15 hours and 23 minutes on repeated ~3.7 km loops, with solo and team relay options. Registration is closed and the event is full.

A non-virtual event in London where runners start together and choose their own routes to get as far as possible from the start within a set time. Three timed options emphasize route planning, live tracking, and safety.

Trail races and challenges at Kelso Conservation on June 27 2026 include 5K, 10K, MAX Elevation, kids races, a 20K relay and an Energy Mile with $500 in prizes.

A 5K obstacle event at Victoria Park in Kitchener on July 11, 2026, featuring 25+ obstacles and 2.5 million cubic feet of foam. Festival features include a free kids zone, live DJ, food vendors and a licensed beer garden.

Trail races on the Toronto Bruce Trail with 50 km, 27.5 km and 10 km options, technical single track and shuttle service from Kelso. Aid stations, cup free format and a finisher medal for finishers.

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 and six stages totalling 60 km in Ontario from July 13 to 18, 2026. The event mixes road, cross country, trail and track racing with on-course support, a technical shirt and a finisher medal.

Trail races at Area 8 Conservation Area on July 18, held on trails around a former limestone quarry, with distances from 1 km for kids to 24.2 km and course maps and aid stations provided.

On July 25, 2026 at Boler Mountain, the 5K Foam Fest in London, ON offers a 5 km course with 25+ obstacles, 2.5 million cubic feet of foam and a festival atmosphere with a kids zone, DJ, food vendors and a beer garden.

Trail event at Dundas Valley with a 7 km loop and multiple formats from a single loop to 100 miles plus 6 12 and 24 hour races. The race is sanctioned by Athletics Ontario and features partners La Sportiva and THN Labs.

A backyard ultra at Eco Park in Arva, ON on August 1, 2026 where runners repeat a 6.7056 km hourly loop until one is last standing. Field limited to 67 and the winner receives a Silver Ticket for the World Team Championship.

Eight days and eight stages totaling 80 km around Conestogo, Waterloo and Cambridge from August 9 to 16, 2026. The event mixes road, cross country, trail and track with on course support, a technical shirt and a finisher medal.

A mud and obstacle run at Albion Hills with a 6 km course, finisher medal, live DJ and food trucks. An all day pass lets participants run multiple times and the event is open to ages 12 and up.

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 event in Exeter on August 30, 2026 offering 8K and 3.25K options with multiple bridge crossings; proceeds support trail maintenance.

Raid the City is a three hour urban navigation race in Hamilton where teams of two collect points at checkpoints across trails, roads, alleys and parks. Teams must run on foot and use a smartphone app to track checkpoint visits.

Trail running at Albion Hills on September 5, 2026 with Sport, Enduro and Grit course options plus timed and free kids events; fees vary by course and registration period and taxes and processing fees apply.

Trail races at Albion Hills Conservation Park feature singletrack trails along the Humber River. Distances range from 7.5 km to 22.75 km, with camping, family facilities, a pool, and cup free water stations.

Tough Mudder Toronto returns to Gopher Dunes on September 12, 2026 with 5K and 15K off road courses featuring many obstacles and finisher items like a medal, shirt, headband and a post race drink.

A family adventure event in Mississauga on September 12, 2026 with courses for adults, children and dogs. Survival style challenges take place across varied terrain, obstacles are not revealed and tickets range from 40.54 CAD to 107.64 CAD.