Trail Running calendar near Dundas 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 International Hallers' Run is a commemorative running event held in Niagara-on-the-Lake, Ontario, Canada, celebrating the historic ties between Poland and Canada. The race honors General Józef Haller and the Blue Army, symbolizing Polish-Canadian friendship and shared history. The event features..

The 36th annual Twelve Mile Creek Trail Half Marathon & 7k Cancer Run takes place in St. Catharines, Ontario, supporting the Niagara Rankin Cancer Run. The half marathon covers 21.1 km (13.1 miles) along a historic route featuring the first Welland Canal, the Merritt Trail, and a challenging ascent..

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 Bella Rose Vineyard Wine Run 5k is a scenic race held at Bella Rose Vineyard & Winery in Lewiston, NY, along the Niagara Wine Trail. Scheduled for July 20, 2025, the event features a chip-timed 5k run or walk, with participants receiving a soft cotton T-shirt, a collapsible wine glass, a wine gl..

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 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..