Sulphur Springs Trail Race 50 Mile

Four loops through the Dundas Valley Conservation Area total 80km (approximately 50 miles) with 2,080m of cumulative elevation gain on the mostly double-track forest trail. Runners have a 30-hour cutoff, crew access between each loop, and a bag drop at the start/finish area. An approachable but rewarding 50-miler in Canada's oldest ultra race venue.