Trail Running Calendar Ontario 2025-2026

We have found 71 Trailruns in Ontario. Check below where and when you can find the races.

The Sunburn Solstice Trail Run takes place at Marydale Park in Mount Hope, Ontario, Canada. This unique event celebrates the longest day of the year with a 15-hour, 23-minute, and 31-second timed trail run on a scenic 3.7 km loop featuring tree-covered trails and open fields with rolling hills. Part..

The Whole Enchilada is a trail running race held at Trail Hub in Uxbridge, Ontario, known as Canada's Trail Capital. The event offers multiple distances, including a challenging 50 km full race, a 25 km half, an 8 km mini, and shorter hikes and kids' runs, catering to all skill levels. Runners exper..

The Boomerang Trail Run is a customizable trail running event held at Batawa Ski Hill in Batawa, Ontario, Canada. Participants challenge themselves on a 7km+ looped trail featuring varied terrain including hills, rocks, roots, mud, and a single road crossing. Runners choose to complete as many loops..

The Farthest is a unique endurance running event held in London, Ontario, Canada, where participants start together and aim to run as far away as possible from the starting point within a set time. The race offers three durations: 8 hours (The Farthest), 4 hours (Half-Farthest), and 2 hours (Quarter..

The Uxbridge Run for the Diamond is a scenic running and walking event held in Uxbridge, Ontario, featuring 10K and 5K distances on winding trails and roads starting and finishing at Elgin Park. The event supports the Uxbridge Hospital Auxiliary, with all proceeds benefiting the local hospital. Part..

The Kamview / Fresh Air Trail Run will take place in Thunder Bay on Sunday 22 June 2025.

The Utopia Backyard Ultra 2025, hosted by North of 89 Outdoors, takes place at the Tiffin Centre for Conservation in Utopia. This unique endurance event challenges runners to complete a 4.88-mile (6.7 km) loop every hour on the hour until only one finisher remains. The course features relatively fla..

The Sarnia Sole Burner is an annual running event held at Suncor Park/Wawanosh Wetlands in Sarnia, Ontario. It features three professionally timed loop-style races on a roughly 2.35 km fully paved course with some hills reaching about 20 meters elevation per loop. Race options include a 5K run, a 6-..

July 2025

Summit 700 Trail Runs is a premier trail running event held at Blue Mountain Resort in Ontario, featuring challenging courses along the Niagara Escarpment with stunning views of Georgian Bay. The event offers multiple distances including 5K, 10K, 21K, and a new 50K Ultra and Ultra Relay, catering to..

The Limberlost Challenge is a trail running event held at the Limberlost Forest and Wildlife Reserve in Huntsville, Ontario, Canada. It features a variety of distances including 7K, 14K, 28K, 42K, and 56K, with a new free 1K Kid’s Fun Run. The course offers challenging terrain with steep inclines, c..

The Kamview / Fresh Air Trail Run will take place in Thunder Bay on Tuesday 8 July 2025.

Dark & Dirty is a night trail running event held at Batawa Ski Hill in Batawa, Ontario, Canada. Scheduled for July 12, 2025, the race offers two distance options: 7km and 14km. The course features well-marked trails with natural obstacles such as rocks, roots, stumps, and hills, providing a challeng..

The First Blaze Trail Race 2025 is a unique point-to-point trail running event held on the Toronto Bruce Trail, starting at Kelso Conservation Area in Milton, Ontario. Scheduled for July 12, 2025, it offers three challenging distances: a 50km race covering the entire Toronto Bruce Trail section, a 2..

The ENDURrun Sport 80 KM is an annual multi-stage running event held in Conestogo, Ontario, Canada. Spanning eight days and eight stages, participants cover a total of 80 kilometers through diverse terrains including road races, cross country, trail, and track running. The event features varied cour..

XTERRA Conquer the Crater is an off-road multi-sport event held in Greater Sudbury, Ontario, Canada, as part of the XTERRA World Tour. Scheduled for July 19-20, 2025, it features a variety of races including full and sprint distance off-road triathlons, duathlons, and trail runs ranging from 1K yout..

The Trails North Workshop, hosted by North of 89 Outdoors, is a comprehensive trail running event held at Devil’s Glen and Nottawasaga Bluffs. Designed for all skill levels, from novices transitioning from road running to experienced trail runners, the workshop focuses on improving technique and tra..

The SOO 200 is Eastern Canada's only 200-mile ultramarathon, held in the Sault Ste. Marie and Algoma region of Ontario, Canada. Celebrating the area's rugged Canadian Shield terrain and stunning coastal landscapes, the race challenges athletes with a diverse course featuring single track, double tra..

The Kamview / Fresh Air Trail Run will take place in Thunder Bay on Tuesday 22 July 2025.

One More Hour is a welcoming trail running event held at Sugarbush Vineyards & Winery in Hillier, Ontario, as part of the Happy Hour Friday Night Series. The course features approximately 6 kilometers of flat, private vineyard trails, offering a leisurely and community-focused running experience sui..

The Tally in the Valley Trail Race takes place at the Dundas Valley Conservation Area in Hamilton, Ontario, Canada. This event offers various race options including a 7 km loop through scenic Carolinian forest with rolling hills and about 130m elevation gain per loop. Participants can choose distanc..