Discover the best marathon races within 50 miles of Ottawa
The Tartan Ottawa International Marathon is one of Canada's most celebrated and largest marathons, attracting thousands of runners from around the world. The event is part of the Tamarack Ottawa Race Weekend and is recognized as a World Athletics Label Race, offering a fast, scenic course through the nation's capital[2][8].
The Ottawa Fall Colours Marathon is a scenic autumn road race held annually in Cumberland, Ottawa, Ontario. Known for its vibrant fall foliage, the event is part of the Somersault Event Series and offers a memorable running experience for marathoners seeking a Boston Qualifier on a challenging course[1][2][6].
Explore additional races, get detailed course information, and compare marathon events worldwide.