The 2026 event has concluded.

Buenos Aires Marathon

Buenos Aires, Argentina · September 20, 2026
clear-day63°·66° high·Breezy·Dry
9
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Weather
Pace Calc
Course
Race Info
FAQ
History

Race Day Weather

clear-day
63°at start
68° high
Breezy
Dry

Comfortable temps

Starting at 63°F, heat will be a factor from the gun — go out conservative and stay on top of hydration. Light winds shouldn't be a major factor for pacing. High humidity (87%) will make it harder to cool down through sweat — increase fluid intake accordingly.

clear-night9
clear-night9
clear-day9
clear-day9
partly-cloudy-day9
clear-day9
clear-day9
clear-day8
partly-cloudy-day8
clear-day8
cloudy9

Pace Calculator

Distance: 26.2mi
0:00:00
HH:MM:SS
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Race Info

The Buenos Aires Marathon starts and finishes at Av. Figueroa Alcorta and Dorrego in Palermo, near the Hipodromo Argentino de Palermo. The course runs through Recoleta, along Av. Corrientes and the Obelisco, past the Cabildo, Plaza de Mayo and Teatro Colon, through Parque Tres de Febrero and Puerto Madero. It is a World Athletics Label Race, run since 2003 by the nonprofit Carreras y Maratones Nandu. The race typically takes place on a Sunday in September or October, with a 6-hour cutoff from a 7:00 a.m. start.

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Course Map

Course Map Unavailable

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FAQ

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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 is the time limit for the Buenos Aires Marathon?

The time limit for the Buenos Aires Marathon is 6 hours.

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

The forecast calls for a high of 68°F and a low of 57°F with a 0% chance of rain.

Historical Weather

Based on 19 years of data
Avg Temp
65°F
L:58° H:65°
RunScore
8
Conditions
Rain Freq
26%
5 of 19 yrs
Wind11mph
Dew52°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults

2025 Buenos Aires Marathon

Partly cloudy throughout the day with a chance of rain throughout the day.

2025
cloudy
55°/59°Light
9

2024 Buenos Aires Marathon

Partly cloudy throughout the day.

2024
partly-cloudy-day
65°/73°-
8

2023 Buenos Aires Marathon

Partly cloudy throughout the day.

2023
cloudy
57°/63°-
9

2022 Buenos Aires Marathon

Partly cloudy throughout the day.

2022
cloudy
61°/66°-
9

2021 Buenos Aires Marathon

Partly cloudy throughout the day.

2021
partly-cloudy-day
59°/65°-
8

2019 Buenos Aires Marathon

Clear conditions throughout the day.

2019
clear-day
50°/60°-
9

2018 Buenos Aires Marathon

Partly cloudy throughout the day.

2018
partly-cloudy-day
64°/70°-
7

2017 Buenos Aires Marathon

Clear conditions throughout the day.

2017
clear-day
59°/71°-
9

2016 Buenos Aires Marathon

Clear conditions throughout the day.

2016
clear-day
54°/70°-
8

2015 Buenos Aires Marathon

Partly cloudy throughout the day with rain.

2015
partly-cloudy-day
50°/59°-
8

2014 Buenos Aires Marathon

Partly cloudy throughout the day.

2014
partly-cloudy-day
60°/68°-
9

2013 Buenos Aires Marathon

Partly cloudy throughout the day.

2013
cloudy
63°/69°-
8

2012 Buenos Aires Marathon

Cloudy skies throughout the day with rain.

2012
partly-cloudy-day
59°/63°-
7

2011 Buenos Aires Marathon

Partly cloudy throughout the day with rain clearing later.

2011
partly-cloudy-day
61°/65°Light
8

2010 Buenos Aires Marathon

Partly cloudy throughout the day.

2010
clear-day
59°/65°-
9

2009 Buenos Aires Marathon

Partly cloudy throughout the day with rain clearing later.

2009
cloudy
57°/65°Light
7

2008 Buenos Aires Marathon

Partly cloudy throughout the day with a chance of rain throughout the day.

2008
cloudy
59°/66°Light
8

2007 Buenos Aires Marathon

Clear conditions throughout the day.

2007
partly-cloudy-day
46°/59°-
8

2006 Buenos Aires Marathon

Partly cloudy throughout the day with a chance of rain throughout the day.

2006
cloudy
64°/70°Light
7

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