Trail Running calendar near Alliston 2026-2027

We have found 32 Trailruns within 80 kilometers of Alliston. See below where and when you can find the races.

Trail races at Kelso Conservation Area include kids 1 km and 3 km plus 6.9 km, 13.8 km and 20.6 km options. The cup-free event provides water at start, finish and aid stations and offers optional wooden finisher medals.

Seaton Scramble Trail Race offers distances from a 1K kids run to a 50K double loop on the Seaton Trail in Pickering. The marked course includes single and double track, a creek crossing, stairs and aid stations.

Trail races from 5 km to a new 100 km solo or relay at Mansfield Outdoor Centre, with cupless aid stations, on-site camping and race services.

A Backyard Ultra in Midland on May 30, 2026 where runners complete a 6.706 km loop each hour until one runner remains. Main entry is sold out, and finishers receive a handcrafted wooden medal.

June 2026

A trail race in the 5 Peaks Ontario series at Crawford Lake Conservation Area on June 6, offering multiple distances and on site Indigenous longhouses with educational programs. Practical event details include aid stations and a cup free po..

A community trail race in Streetsville with a 1 km fun run and a chip timed 5 km along the river. Part of proceeds support Camp Wanago.

Community fundraiser in Caledon East offering 25 km 50 km and 100 km cycling routes plus 5 km and 10 km trail options. Organized by CMHA Peel Dufferin to raise funds for local mental health and addictions services.

A multi-distance trail event along Bruce Trail sections near Blue Mountains offering a 200 mile out and back, a point to point 100 mile and a 72.5 km E2E with multiple aid stations and mandatory gear requirements.

A trail loop event at Earl Rowe Provincial Park on June 13, 2026 offering distances from 6K to 62K, aid stations, cup-free support with a SpeedCup, and finisher medals.

Two trail-and-road runs in Uxbridge : 10 km and 5 km : starting and finishing at Elgin Park. A fundraiser for the new Uxbridge Hospital, with online registration open Feb 1 to June 10, 2026.

Trail Hub in Uxbridge hosts a trail event with distances from 1 km to 50 km across Durham Region forest trails. Courses are supported by aid stations and include environmental measures and local donations.

A looped backyard ultra at Tiffin Centre where runners complete a 6.7056 km lap each hour until one finisher remains. Multiple fixed-hour formats, on-site camping and refreshments are provided; the event is sold out.

Trail running event at Kelso Conservation on June 27, 2026 offering 2K, 5K, 10K, MAX Elevation and a 20K relay. Courses include aid stations, professional chip timing and a post event village with awards.

July 2026

Trail and mountain runs at Blue Mountain Resort with multiple distances including 5K, 10K, 21K, 50K and a kids 1.5K. Courses include a timed 700 ft ascent and technical single-track sections, with a post-race patio, BBQ and music.

Trail races on the Toronto Bruce Trail near Milton Ontario with about 52 km, 27.5 km and 10 km options. Point-to-point courses use white blazes, include shuttle service and spaced aid stations.

A 5K event at Wasaga Beach Provincial Park on July 18, 2026 combining 25 obstacles, about 2.5 million cubic feet of foam and a free kids zone. The festival includes a live DJ, food vendors and a licensed beer garden.

A 5 Peaks Trail Running event at Area 8 Conservation Area on a former limestone quarry, offering routes from 1 km to 24.2 km with mapped courses, aid stations and medals for top finishers.

August 2026

A trail event on the Beaver Valley section of the Bruce Trail offering a 42 km marathon, a 21 km half, and a double-race option. Expect rocky, rooty single-track, significant elevation, sparse aid stations, and an 11-hour marathon cutoff.

A trail race on the Bruce Trail near Devil's Glen Country Club offering three distances with significant climbs and technical terrain. Aid stations, a required Skeleton Key in the race kit, and a donation to the local Bruce Trail club are i..

A 24 hour trail running festival at Hardwood Ski and Bike in Oro Medonte on August 22-23, 2026. Teams of 8, 4, 2 or solo runners take turns on 8 km hourly laps while a camping village, food service and evening events run alongside.

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