Great Mansfield Outdoors 2025 is a trail running event held at the Mansfield Outdoor Centre and Dufferin County Forest in Mulmur, Ontario. The race offers multiple distances: 50K, 25K, 10K, and 5K, with courses primarily on single-track trails featuring varying elevation gains from 130m to 1000m. Th..
The Rainbow Trail Run in Alliston, Ontario, is a trail running event held at Earl Rowe Provincial Park featuring a scenic 12K loop around the park. The course is mostly double-wide trails with grass, dirt, a bit of pavement, and bridge crossings over Earl Rowe Lake, including a short climb to a look..
The Utopia Backyard Ultra 2025 is a unique endurance running event held from June 27-29 at the Tiffin Centre for Conservation in Utopia. Participants run a 4-mile (6.7 km) loop every hour on the hour until only one runner remains. The event offers a main race and optional 12-hour and 6-hour sub-even..
The Devil's Key is a challenging trail running event held at Devil's Glen Country Club in Duntroon, Ontario, Canada. Featuring three race distances—66.6 km (The Beast), 33.3 km (The Half Beast), and 15 km (The Mini Beast)—the course is known for its steep climbs and technical descents, including mul..
The Blue Bully Ultra is Ontario's only three-day stage trail running race held at Blue Mountain Resort, set against the scenic autumn backdrop of the Bruce Peninsula. The event offers three race formats: The Stampede, a fast 5km vertical climb with 400m elevation; The Drive, a challenging cross-coun..
The Creemore Vertical Challenge is a trail running event held in Creemore, Ontario, featuring distances of 14K, 27.5K, 55K, and an 80K/50-mile race. The course combines approximately 70% gravel roads and 30% trails, winding through the scenic hills around Creemore with about half a mile of vertical..