Tamarack Ottawa Race Weekend

The Tamarack Ottawa Race Weekend is one of Canada’s most iconic and inclusive running festivals, attracting tens of thousands of participants and spectators each spring to the national capital region. Held over a full weekend in Ottawa, Ontario, the event features a variety of race distances, from the Tamarack Ottawa Marathon and Half Marathon to 10K, 5K, and fun family runs, making it accessible to runners of all ages and abilities. The courses showcase scenic views of the Ottawa River, the city’s historic neighborhoods, and the beautiful urban landscape shared with neighboring Gatineau, Quebec, creating a unique cross-provincial experience. With enthusiastic crowd support, a vibrant race expo, and a festive atmosphere that celebrates community, health, and athletic achievement, Tamarack Ottawa Race Weekend has become a highlight on the North American running calendar.