The route starts at Avenida Figueroa Alcorta 7000, Belgrano.
The Buenos Aires marathon is the biggest event of its kind in the southern hemisphere, attracting up to 12,000 runners from around the world every spring.
The route takes in some of the city's most emblematic, historic and symbolic sites, such as the obelisk, the Cabildo, the Teatro Colón, the Plaza de Mayo, the Casa Rosada, the Tres de Febrero park, and the neighbourhoods of La Boca and Puerto Madero.
The 2019 edition of the classic 26-mile (42 kilometre) race takes places on September 22, starting at Avenida Figueroa Alcorta, in the neighbourhood of Belgrano. Check the official page for more information and details of how to register: Buenos Aires Marathon.
If you're not ready for a full marathon, each year the big race is preceded by the Buenos Aires Half Marathon the month beforehand.