Trail Running calendar near Waterloo 2025-2026

Conquer The Canuck is Cambridge, Ontario's longest trail race, held at Shades Mills Conservation Area. The event offers multiple distances including 12.5 km, 25 km, 50 km, and a 12-hour race, as well as a 12-hour relay for teams of 2-4 runners. The course consists of loops of approximately 6.25 km e..

The Sulphur Springs Trail Race is a popular annual event held in the Niagara Escarpment's Dundas Valley Conservation Area in Ontario. It features a variety of race distances, including 10K, 20K, 50K, 50 Miles, 100K, and 100 Miles, along with team relays. The race course is a 20K loop that combines g..

H+P This May Be Loopy Ultra is an ultra running event held in Waterloo, Ontario, Canada, featuring a challenging 8K loop course. The event consists of two phases: the first requires participants to run 8K every hour for five hours, totaling 40K, with flexible start times within each hour. The second..

The Ridge Runner is a summer trail running event held in the Hamilton area, Ontario, Canada, offering a variety of race distances including a 1K kids race, 5K, 10K, and a 21K half marathon. Participants experience rugged, scenic ridge trails with technical sections, climbs, and forested paths that s..

The Farthest is a unique endurance running event held in London, Ontario, Canada, where participants aim to run as far away as possible from a common starting point within a set time limit. The race offers three categories: an 8-hour "Farthest," a 4-hour "Half-Farthest," and a 2-hour "Quarter-Farthe..

The First Blaze Trail Race 2025 is a unique trail running event held on July 12, 2025, at Kelso Conservation Area in Milton, Ontario, Canada. It features three challenging point-to-point races along the Toronto section of the Bruce Trail: a 50km (51.8km actual) race for intermediate runners, a 27.5k..

The Persistence Backyard Ultra is a challenging endurance running event held at Eco Park in Arva, Ontario, Canada. Participants run a 6.7056 km loop every hour, repeating it until only one runner remains, testing their persistence and stamina. The course features a runnable mix of crushed stone trai..

The Wolfpack Ultra Championship is a premier trail running event held in Hamilton, Ontario, Canada, showcasing the rugged and scenic trails of Conservation Halton. Scheduled for September 20, 2025, this ultra-running challenge offers a 50K solo race and a 50K team relay (5 x 10K legs), catering to b..

The Albion Ascent Trail Race in Hamilton, Ontario, offers a scenic urban trail running experience through rivers, waterfalls, and forests. Featuring 5K, 10K, and 21K distances, the race combines paved paths, dirt trails, and technical sections, including the challenging Albion climb. The 5K and 10K..

The Phoenix Trail Races will take place in London on Saturday 18 October 2025. You can run between 25 and 50 kilometers.

The Lost Valley Trail Race is a point-to-point trail running event held in the Dundas Valley Conservation Area, Ontario, Canada. Scheduled for November 15, 2025, it offers two race distances: 10 km and 25 km, both following the scenic Iroquoia Section of the Bruce Trail. The courses feature a mix of..

The The Leftovers Mystery Race will take place in Dundas on Saturday 6 December 2025. You can run between 6 and 25 kilometers.

The Golden Spike Trail Race is a winter trail running event held at Crawford Lake Conservation Area in Milton, Ontario, Canada. Scheduled for December 6, 2025, it offers three race distances: 5K, 10K, and 21K, catering to all levels from beginners to seasoned trail runners. The course features sceni..