Trail Running Calendar Ontario 2025-2026

The Limberlost Challenge is a trail running event held at the Limberlost Forest and Wildlife Reserve in Huntsville, Ontario, Canada. The course features challenging terrain including pristine lakes, wetlands with beaver dams, steep inclines, creeks, and mud holes, offering a mix of technical and fas..

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 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, held on July 12, 2025, takes place at Kelso Conservation Area in Milton, Ontario, Canada. This unique event features three point-to-point trail races along the Toronto section of the Bruce Trail: a challenging 50km (51.8km) race, a 27.5km race, and a new 10km out-and-back..

The ENDURrun Sport 80 KM is an annual multi-stage running event held in Conestogo, Ontario, Canada. The 2025 edition spans eight days and eight stages, covering a total of 80 kilometers. The race features diverse terrain including road racing, cross country, trail running, and track events, with cou..

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..

XTERRA Conquer the Crater is an off-road multisport 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 youth..

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 in the scenic Dundas Valley Conservation Area in Hamilton, Ontario, Canada. This event features a 7km loop through a unique Carolinian forest with rolling hills and about 130m elevation gain per loop. Participants can choose from various distances and f..

The Persistence Backyard Ultra is an endurance running event held at Eco Park in Arva, Ontario, Canada. Participants run a 6.7056 km loop composed of two consecutive laps of a 3.36 km course featuring crushed stone trails, grass, and dirt roads. The race challenges runners to complete the loop every..

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, 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 for all..

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. Set amidst the stunning Boreal forest and unique mesa rock formations, the event offers a variety of races including full, sprint, and super sprint off-road triathlons, a full-distance d..

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..

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..