Buenos Aires Half Marathon — Carreras y Maratones Ñandú

21K Coming soon Sunday, August 22, 2027

The best race in South America.

About the race

The Buenos Aires Half Marathon brings together more than 30,000 runners in the fastest half marathon in the world, featuring a fast and flat course ideal for chasing a personal best. In the 2026 edition, Yomif Kejelcha broke the world record for the distance with a time of 56:51. The course passes by iconic landmarks across the city, including the Faculty of Law, the Obelisk, and the Planetarium.