Marathon Races in Canada 2026

Discover 56 2026 marathon races across Canada, from local community events to major city road races. Popular provinces include Ontario, Quebec, Alberta, British Columbia, and New Brunswick. Strong city calendars include Montreal, Ottawa, Halifax, Toronto, and Calgary. Browse popular distances like 5K, Road, 10K, Trail, and 1K, or compare race dates, distances, and registration links in one calendar to find your next marathon start line.