Trail Running Calendar Ontario 2025-2026
We have found 60 Trailruns in Ontario. Check below where and when you can find the races.
Distance (km)
Articles
Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary
Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..
Trail Running: How it Can Help Reduce Stress and Anxiety
Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..
Trail Running vs. Road Running: Which One Is Right For You?
When it comes to running, there are two primary options to choose from: trail running and road..
The Persistence Backyard Ultra will take place in Arva on Saturday 2 August 2025. You can run 6 kilometers.
The Kamview / Fresh Air Trail Run will take place in Thunder Bay on Tuesday 5 August 2025.
The Middle Path Trail Race, held in Kawartha Lakes, Ontario, offers a variety of distances including 26 km, 52 km, a 13 km team event, as well as 5 km and 2 km races over a weekend in August. Part of the Outrace Series and Athletics Ontario Trillium Running series, the event emphasizes accessibility..
The Falling Water Trail Marathon and Half Marathon take place in Eugenia, Ontario, Canada, along the scenic Beaver Valley section of the Bruce Trail. This challenging trail event features a full marathon (approximately 42 km) and a half marathon (approximately 21 km), both with significant elevation..
XTERRA Sleeping Giant is an off-road multisport event held in Thunder Bay, Ontario, at the head of Lake Superior. The race features rugged terrain with mountain bike and trail running courses carved through Boreal forest and unique mesa rock formations shaped by ancient glaciers. Participants can ch..
The Kamview / Fresh Air Trail Run will take place in Thunder Bay on Tuesday 19 August 2025.
The Last Hour is an 8km trail run held at Vanderwater Conservation Area in Thomasburg, Ontario, as the final race in the Friday Night Happy Hour Series. The course features gently rolling terrain through beautiful pine groves, old boulder fields, and alongside the Moira River, with wide trails ideal..
Timber24 Relay is a 24-hour trail running festival held at Hardwood Ski and Bike in Oro Medonte, near Barrie, Ontario. Teams of 4 (ultra) or 8 runners collectively cover 192 km by each member running an 8 km lap every hour for 24 hours. The event features a lively atmosphere with on-site camping, a..
Lines and Loops at Harold Town Conservation Area is a trail running event held near Peterborough, Ontario, celebrating 31 years of conservation and the land donation by artist Harold Town. Participants can choose from multiple distances: a 6K lap, an 18K (3 laps), or a challenging 30K (5 laps), with..
The Calabogie Peaks Trail Run, held in Calabogie, Ontario, features 10K and half marathon distances on August 24, 2025. Set at Calabogie Peaks, Ottawa's tallest public ski resort, the race offers a challenging course of wooded singletrack mountain trails with technical sections and significant climb..
The Kamview / Fresh Air Trail Run will take place in Thunder Bay on Tuesday 26 August 2025.
September 2025
The Haliburton Forest Trail Race is an annual ultra running event held at the Haliburton Forest & Wild Life Reserve in Ontario, Canada. Celebrating its 32nd year in 2025, the race offers multiple distances including 12K, 26K, 50K, 50 miles, and the signature 100-mile ultra. The course features rugge..
The Kamview / Fresh Air Trail Run will take place in Thunder Bay on Tuesday 9 September 2025.
Sugarbush Shenanigans is an ultrarunning event held at Sugarbush Vineyards & Winery in Hillier, Ontario, Canada. Part of the OUTRace Series, it offers 6, 12, and 24-hour solo ultra-marathon options, as well as a 24-hour relay team race. A new 12-hour night run starting at 9 PM is also available.The..
The North Bay Road Race is a premier running event held in Northern Ontario, featuring distances of 5k, 10k, and a half marathon, along with a 1-mile kids' race. The courses showcase scenic routes along Lake Nipissing's waterfront and the paved, flat Kate Pace Way multi-use pathway, with improvement..
The Kincardine 7K Trail Challenge is an annual running event that invites participants of all ages to enjoy a scenic race starting and finishing at Station Beach. Scheduled for September 20, 2025, this event encourages both runners and walkers to take part. Prizes will be awarded to children under 1..