🇦🇷Buenos Aires, Argentina
Expected October 2027
Expected October 2027
Date not yet confirmedEstimated from the usual calendar slot. Last edition: Oct 11, 2026.
35 melevation gain
Open entry
Dates and entry details change. Confirm with the organiser before you book.
PB potential
Excellent PB course — flat, fast, and well-paced
Beginner friendly
Great for newcomers — manageable course, strong support
Buenos Aires has earned its 'Paris of the South' comparison, and the marathon course proves it. The near-flat route (just 35m gain) runs through the wide tree-lined boulevards of Palermo and Recoleta, the Puerto Madero docklands development, San Telmo's cobbled tango streets, and the sweeping Avenida 9 de Julio — the world's widest street. October is Southern Hemisphere spring in Buenos Aires: 16–22°C, low humidity, light breezes off the Río de la Plata. These conditions, combined with the pancake-flat course, make Buenos Aires one of the most underrated PB opportunities outside Europe. Porteño crowd support is passionate, the post-race asado culture is extraordinary, and entry is extremely affordable by international standards.
Temperature
15–22°C
Humidity
55–70%
Conditions
Spring — ideal marathon conditions
Wind
10–20 km/h off the Río de la Plata
Next edition date estimated — confirm exact date with the official site.
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