Trail Running Calendar Ontario 2025-2026

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

The 5 Peaks Cider Run in Uxbridge, Ontario, is a trail running event set amidst the scenic trails of the Oak Ridges Moraine at Woodnewton Farm. Scheduled for October 25th, it offers various race distances, including a 7 km sport route, a 14 km enduro, a 21 km grit course, and a 3 x 7 km relay. The e..

The Kamview / Fresh Air Trail Run will take place in Thunder Bay on Tuesday 4 November 2025.

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 Fat Ass Trail Run, held at Batawa Ski Hill in Ontario, Canada, is a popular trail running event that began in 2003 with 23 participants and has grown significantly while maintaining an inclusive atmosphere for runners and walkers of all ages and speeds. The race offers multiple distances ranging..

The Chill Session 2025 is a trail running event held at the Mansfield Outdoor Centre in Mulmur. It features three distances: a 10K with 220m elevation gain, a 5K with 130m elevation gain, and a 1K kids' race for ages 10 and under. The courses are mostly single track and distinct from the June Great..

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..

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