Trail Running calendar near Dundas 2025-2026

We have found 22 Trailruns within 80 kilometers of Dundas. See below where and when you can find the races.

The ENDURrun Prelim is a six-day endurance challenge totaling 60 km in Ontario, Canada. The event begins with a prologue at Weberlyn Crescent, Conestogo, and features stages across Waterloo, Cambridge, and Wilmot (RIM Park, Riverbluffs Park, Bechtel Park, Baden Hills, and a Waterloo track venue). St..

August 2026

ENDURrun is a week-long endurance challenge in southern Ontario, Canada, organized by Run Waterloo. The flagship ENDURrun 160 KM spans eight days and seven stages, totaling 160 km, with routes across the Waterloo Region—from RIM Park in Waterloo (opening stage) through Shade’s Mills in Cambridge, Ba..