Trail Running calendar near Saint Marys 2026-2027

We have found 16 Trailruns within 80 kilometers of Saint Marys. See below where and when you can find the races.

Experience the thrill of trail running by day or night at Wildwood Conservation Area with 10 km, 25 km, and 50 km races featuring fast tracks and muddy turns.

Join Cambridge Ontario's longest trail race with distances ranging from 12.5 km to 50 km and a 12 hour endurance challenge. Enjoy a community atmosphere at Shades Mills Conservation Area with solo and relay options.

Support the local Humane Society at Bechtel Park by participating in a timed 5 km trail race or untimed 2.5 km and 200 m runs with or without your dog.

June 2026

The Farthest is a unique race where the goal is to run away from the start line, not toward a finish. Runners choose their own route in London, Ontario, competing in 2, 4, or 8-hour formats. The winner is whoever gets the farthest "as the c..

July 2026

Experience a unique 5 km fun run featuring over 25 obstacles and massive amounts of foam. Join the festival at Victoria Park on July 11 2026 for mud pits, waterslides, and a free kids zone for the whole family.

Experience a comprehensive 6 day running challenge covering 60 km across diverse terrains in Ontario. Test your limits with daily stages featuring road, trail, track, and cross country disciplines.

A foam filled 5K at Boler Mountain on July 25, 2026 featuring 25 plus obstacles and about 2.5 million cubic feet of foam. The event includes a family festival area with a free Kids Fun Zone, live DJ and food vendors.

August 2026

Test your endurance at Ontario's original affiliated backyard ultra on a flat course in Arva to compete for a Silver Ticket to the World Team Championship.

The ENDURrun is the ultimate test of endurance: 160 km across seven stages over eight days in August 2026. The challenge includes a half marathon, cross country, marathon, and time trials. Relay team and individual stage guest options are a..

September 2026

Test your grit at Gopher Dunes with 5 km or 15 km obstacle courses set in rugged Ontario terrain. Enjoy a vibrant festival atmosphere and earn your iconic orange headband alongside your teammates.

Experience a brand new Spartan venue at Gopher Dunes near London Ontario. Challenge yourself with 5K and 10K obstacle courses set across rugged farmland and forest trails.

Join a community tradition at Kiwanis Park for the 13th anniversary of this charity run featuring 5 KM and 10 KM trail routes and a special kids dash.

October 2026

Enjoy a Thanksgiving tradition at London Ontario Springbank Park featuring 6.5 km and 2 km cross country loops. This family event includes a Kiddy Trot and supports the local food bank through race day donations.

Explore the scenic trails of Fanshawe Lake in London with 25 km and 50 km race options. Enjoy a fully supported trail experience featuring aid stations, finisher medals, and a post race meal.

Experience a forest trail race at Camp Heidelberg with loop based distances ranging from 5 km to 50 km plus a 6 hour solo or relay challenge.

Support animal welfare by joining a 1 km walk or 5 km run at London’s Springbank Park. Enjoy a community day featuring team challenges, refreshments, and rewards for a great cause.

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