Tamarack Ottawa Marathon

A World Athletics Gold Label race and one of North America's most underrated PB courses — flat, fast, and perfectly timed in Toronto's ideal October conditions.

The world's oldest annual marathon, demanding a qualifying time and a fearless approach to the Newton Hills.

America's birthplace hosts one of its most historic marathons — through Fairmount Park, past the Philadelphia Museum of Art steps, and along the Schuylkill River.

The flattest World Major — a loop through 29 of Chicago's neighbourhoods with the most inclusive crowd energy in American marathon running.

California's fastest marathon — a net-downhill point-to-point from Folsom to Sacramento, the most popular Boston qualifier on the US west coast.

One of America's flattest and fastest January marathons — a near-sea-level loop through downtown Houston and Memorial Park with world-class PB credentials.

South America's flattest and fastest marathon — a stunning loop through Buenos Aires' European-style boulevards, Palermo parks, and the Puerto Madero waterfront.

Uruguay's capital hosts a flat, fast marathon along the Rambla coastal promenade — 22km of waterfront running along the Río de la Plata in Southern Hemisphere winter.

Consistently rated America's most beautiful urban marathon — a point-to-point through Minneapolis and St. Paul's famous chain of lakes and riverside parkways.