The 2026 Maratón Internacional de San Juan has concluded.

Maratón Internacional de San Juan

Race complete
San Juan, Argentina · July 26, 2026
clear-day39°·55° high·Breezy·Dry
10
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Race Day Weather

clear-day
39°at start
68° high
Breezy
Dry
Your goal
0:00:00

Cool start, warming finish

Runners will face a temperature range from 39°F at the start to a warm 66°F by the finish. With a light breeze from the SE at 9 mph, it is advisable to dress in layers for the start and adjust pacing as temperatures rise. Hydration will be key, especially as humidity sits at 73%.

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Race Info

The Maratón Internacional de San Juan (San Juan International Marathon) is an annual marathon in San Juan, Argentina, first held in 2016. The point-to-point course starts at Dique Punta Negra in the Zonda foothills near 979 meters of elevation and descends through the Quebrada de Zonda and the town of Rivadavia to finish at the Teatro del Bicentenario in downtown San Juan near 639 meters. The 42K and 21K distances carry a World Athletics (AIMS) Grade B course-measurement certificate, and the race weekend also includes 10K and 5K events. It is a Boston Marathon qualifier.

Race weekend

Sunday, July 26
9:00 AMHalf Marathon (13.1 mi)
9:00 AM10K (6.2 mi)
9:00 AM5K (3.1 mi)
Area Map

Course Map

FAQ

When is the 2026 Maratón Internacional de San Juan?

The 2026 Maratón Internacional de San Juan will be held on Sunday July 26, 2026.

Is the Maratón Internacional de San Juan a Boston Marathon Qualifier?

Yes, the Maratón Internacional de San Juan is an official Boston Marathon qualifier.

What is the time limit for the Maratón Internacional de San Juan?

The time limit for the Maratón Internacional de San Juan is 5.5 hours.

What will the weather be like for the 2026 Maratón Internacional de San Juan?

The forecast calls for a high of 68°F and a low of 39°F with a 0% chance of rain.

Historical Weather

Based on 5 years of data
Avg Temp
47°F
L:41° H:53°
RunScore
10
Conditions
Rain Freq
0%
0 of 5 yrs
Wind6mph
Dew36°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
clear-night
39°/55°-
10
2025
cloudy
39°/41°-
10
2024
clear-night
40°/51°-
10
2023
clear-night
36°/59°-
10
2022
cloudy
52°/58°-
8