The 2026 Maratón Internacional de la Bandera has concluded.

Maratón Internacional de la Bandera

Race complete
Rosario, Argentina · June 28, 2026
clear-day41°·57° high·Windy·Dry
10
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Race Day Weather

clear-day
41°at start
61° high
Windy
Dry
Your goal
0:00:00

Cool start, warming up

Runners will face a temperature rise from 36°F at the start to a maximum of 61°F. With wind from the SW at 18 mph, it will feel brisk, but humidity is high at 74%. Runners should start conservatively and hydrate frequently as they adjust their pace for the warmer conditions later in the race.

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Race Info

The Maratón Internacional de la Bandera starts and finishes at the Monumento a la Bandera in Rosario, Argentina, the monument marking the site where Manuel Belgrano first raised the Argentine flag. Organized by the Asociación Rosarina de Atletismo since its first edition in 2002, the race is held annually in June near Argentina's Flag Day. The 42K course passes Parque de la Independencia and Bulevar Oroño, alongside a companion 10K.

Area Map

Course Map

FAQ

When is the 2026 Maratón Internacional de la Bandera?

The 2026 Maratón Internacional de la Bandera will be held on Sunday June 28, 2026.

Is the Maratón Internacional de la Bandera a Boston Marathon Qualifier?

Yes, the Maratón Internacional de la Bandera is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Maratón Internacional de la Bandera?

The forecast calls for a high of 61°F and a low of 36°F with a 0% chance of rain. Check our detailed hourly forecast above for the best marathon race plan.

Historical Weather

Based on 2 years of data
Avg Temp
49°F
L:42° H:57°
RunScore
9
Conditions
Rain Freq
0%
0 of 2 yrs
Wind7mph
Dew46°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
partly-cloudy-night
41°/57°-
10
2023
partly-cloudy-night
43°/57°-
9