Buenos Aires Marathon

Buenos Aires, Argentina • September 20, 2026

Race Day Weather

57°

66° high

Breezy

Dry

Mild temperatures, steady winds

Runners will face a starting temperature of 57°F, rising to 66°F by the finish. With a gentle breeze from the SE at 10 mph, gusting to 32 mph, adjusting pacing for wind resistance is advisable. The humidity at 68% suggests staying hydrated will be crucial as temperatures climb.

Race day forecast available in 157 days

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Pace Calculator

Distance: 26.2mi

Target Finish Time

0:00:00

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Pace

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Common Goals:

The Buenos Aires Marathon offers runners a fast, flat course through the heart of Argentina's capital, showcasing iconic landmarks such as the Obelisco, Casa Rosada, and the colorful Caminito neighborhood. The event's vibrant atmosphere is enhanced by enthusiastic crowds, live music, and traditional Argentine dances, creating a festive environment that energizes participants. With its scenic route and lively ambiance, the marathon provides a memorable experience for both competitive athletes and recreational runners. Source

Course Map

FAQ

When is the 2026 Buenos Aires Marathon?

The 2026 Buenos Aires Marathon will be held on Sunday September 20, 2026.

Is the Buenos Aires Marathon a Boston Marathon Qualifier?

Yes, the Buenos Aires Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Buenos Aires Marathon?

The forecast calls for a high of 66°F and a low of 57°F with a 0% chance of rain.

Historical Weather

Based on 19 years of data

Avg Temp

67°F

L:58° H:67°

RunScore

Conditions

Rain Freq

26%

5 of 19 yrs

Wind11mph

Dew52°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Buenos Aires Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2025	55°/60°	Light	51°
2024 Buenos Aires Marathon Partly cloudy throughout the day. 2024	65°/74°	-	64°
2023 Buenos Aires Marathon Partly cloudy throughout the day. 2023	57°/63°	-	49°
2022 Buenos Aires Marathon Partly cloudy throughout the day. 2022	61°/67°	-	55°
2021 Buenos Aires Marathon Partly cloudy throughout the day. 2021	59°/67°	-	56°
2019 Buenos Aires Marathon Clear conditions throughout the day. 2019	50°/61°	-	29°
2018 Buenos Aires Marathon Partly cloudy throughout the day. 2018	64°/70°	-	54°
2017 Buenos Aires Marathon Clear conditions throughout the day. 2017	59°/71°	-	53°
2016 Buenos Aires Marathon Clear conditions throughout the day. 2016	54°/75°	-	48°
2015 Buenos Aires Marathon Partly cloudy throughout the day with rain. 2015	50°/59°	-	47°
2014 Buenos Aires Marathon Partly cloudy throughout the day. 2014	60°/68°	-	57°
2013 Buenos Aires Marathon Partly cloudy throughout the day. 2013	63°/70°	-	61°
2012 Buenos Aires Marathon Cloudy skies throughout the day with rain. 2012	59°/63°	-	58°
2011 Buenos Aires Marathon Partly cloudy throughout the day with rain clearing later. 2011	61°/68°	Light	57°
2010 Buenos Aires Marathon Partly cloudy throughout the day. 2010	59°/65°	-	54°
2009 Buenos Aires Marathon Partly cloudy throughout the day with rain clearing later. 2009	57°/66°	Light	48°
2008 Buenos Aires Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2008	59°/72°	Light	61°
2007 Buenos Aires Marathon Clear conditions throughout the day. 2007	46°/64°	-	33°
2006 Buenos Aires Marathon Partly cloudy throughout the day with a chance of rain throughout the day. 2006	64°/70°	Light	63°