Trail Running Calendar Ontario 2025-2026

The Limberlost Challenge 2025 is an exciting trail running event set in the stunning Limberlost Forest and Wildlife Reserve in Huntsville, Ontario. Participants can choose from various distances, including 7km, 14km, 28km, 42km, and 56km, each offering a unique experience through challenging terrain..

The 2025 5 Peaks Trail Running Series: Albion Hills is set to take place at the Albion Hills Conservation Area in Caledon, Ontario. This event is part of the 5 Peaks Ontario Series and features multiple race distances, including a 22.5 km Grit Course, a 15 km Enduro Course, and a 7.5 km Sport Course..

The First Blaze Trail Race 2025 is a unique point-to-point trail running event taking place at the Kelso Conservation Area in Milton, Ontario. Scheduled for July 12, 2025, the race features three distances: a challenging 50km course, a 25km route, and a 10km out-and-back option. Participants will ex..

Dark & Dirty is an exciting night trail run taking place at Batawa Ski Hill in Ontario, Canada. Scheduled for July 12, 2025, this event offers participants a chance to beat the summer heat with a scenic 7km or 14km course that showcases the beautiful trails of the area. Runners will navigate through..

XTERRA Conquer the Crater is an exciting off-road sports event taking place in Greater Sudbury, Ontario, on July 19-20, 2025. As part of the XTERRA World Tour, it features a variety of races, including off-road triathlons and trail runs, set against the stunning backdrop of the region. A unique aspe..

One More Hour is a trail running event that is part of the Happy Hour Friday Night Series, taking place at Sugarbush Vineyards in Hillier, Ontario. This informal and community-focused race features a scenic 6km course designed for participants of all skill levels, from beginners to seasoned runners...

The Persistence Backyard Ultra is an exciting endurance running event taking place at Eco Park in Arva, Ontario. Scheduled for August 2, 2025, this unique race challenges participants to complete a 6.7056-kilometer loop every hour until only one runner remains, known as the "Last One Standing." The ..

The Last Hour is an 8km fun run taking place at the Vanderwater Conservation Area in Thomasburg, Ontario, as part of the Happy Hour Friday Night Series. This event is designed to be inclusive and community-oriented, welcoming participants of all skill levels. Runners can enjoy the scenic trails feat..

Lines and Loops at Harold Town Conservation Area is a trail running event celebrating 31 years of conservation. Set in the scenic trails near Peterborough, Ontario, participants can choose from various distances: a 6K lap, an 18K, or a challenging 30K. Each runner receives a unique, plantable medal ..

The Calabogie Peaks Trail Run, scheduled for August 24, 2025, offers participants a choice between a 10K and a half marathon distance. Set in Calabogie, Ontario, this event takes place at the tallest public ski resort in Ottawa, featuring scenic wooded mountain trails and technical running sections...

The Haliburton Forest Trail Race is an annual running event taking place in the scenic Haliburton Forest and Wildlife Reserve. Scheduled for September 5-7, 2025, this will be the 32nd edition of the race, which began in 1993. Participants can choose from various distances, including 12K, 26K, 50K, 5..

The XTERRA Sleeping Giant event, set in Thunder Bay, Ontario, offers a thrilling outdoor experience at the head of Lake Superior. Participants can engage in various races, including full, sprint, and super sprint triathlons, as well as duathlons and trail runs of different distances. The event showc..

Sugarbush Shenanigans is an innovative ultrarunning event set to take place at Sugarbush Vineyards & Winery in Hillier, Ontario. This unique race offers participants the choice to run solo for 6, 12, or 24 hours, or to form relay teams for the 24-hour challenge. The course features a flat, approxima..

The Phoenix Trail Races is an exciting running event held at Fanshawe Conservation Area in London, Ontario. Participants can choose between a 25k single loop or a challenging 50k double loop course, showcasing the scenic beauty of the reservoir trail. The event promotes community engagement and well..

The 5 Peaks Cider Run is an exciting trail running event scheduled for October 25, 2025, at Slabtown Cider Co. in Uxbridge, Ontario. Participants can choose from various race distances, including a 1K Kids' Fun Run, a 3K timed race for kids, and adult courses of 7K, 14K, and 21K.The event celebrates..

The Leftovers Mystery Race 2025 is a unique running event taking place at the Dundas Valley Conservation Area in Ontario, Canada. Participants can expect a fun and unpredictable experience, as the race features a mystery distance that can range from short (6 km or less) to longer options (up to 25 k..