www.maratondesanjuan.com

San Juan Marathon

Name: San Juan Marathon
Start: 2026-07-26
End: 2026-07-26
Location: San Juan

San Juan, San Juan, Argentina

calendar_today 26 Jul, 2026

directions_run Running

language Official Website

About the Event

Celebrate a monumental running legacy at the Maratón Internacional de San Juan (MISJ) on July 26, 2026, marking its prestigious 10th anniversary. This landmark race, with its certified World Athletics courses, uniquely connects mountain majesty to urban energy, starting at the stunning Dique Punta Negra reservoir. Your journey unfolds across a spectacular 42K route, descending from the Andean foothills through the dramatic Quebrada de Zonda, racing the Autódromo track, and finishing triumphantly at the Teatro del Bicentenario. More than a marathon, it's a decade-old festival of sport that unites thousands of athletes in a vibrant celebration of endurance, community, and the breathtaking landscapes of San Juan. Choose from four iconic distances and become part of the history that has cemented the MISJ as a cornerstone of Argentine running.

Races Offered

Marathon

Jul 26, 2026

straighten

Distance — 42.2K

terrain

Type — Running

timer

08:30

10K

Jul 26, 2026

straighten

Distance — 10K

terrain

Type — Running

timer

09:00

5K

Jul 26, 2026

straighten

Distance — 5K

terrain

Type — Running

timer

09:00

Half-marathon

Jul 26, 2026

straighten

Distance — 21.1K

terrain

Type — Running

timer

09:00

Weather History

These values represent the 3-year monthly averages for July in San Juan.

thermostat Temperature

1.3° / 14.0°

wb_sunny Feels like

-3.7° / 8.3°

light_mode Avg sunshine hours

9h 50m

water_drop Avg rainfall

—

ac_unit Avg snowfall

—

air Avg wind speed

10.1 km/h (Light breeze)

opacity Sweat loss rate

Low

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Very High (8.0)

humidity_mid Humidity

27.3%

wb_twilight Sunrise

08:30

nightlight Sunset

18:53

About San Juan

Learn more about the host city, San Juan.

San Juan is the capital of Puerto Rico and its largest city, with 342,000 (2020) inhabitants in the municipality and 2,203,000 in the metropolitan area. Founded in 1521 by the Spanish conquistadors, San Juan is the oldest city under the jurisdiction of the United States. San Juan is located in the north-east coast of Puerto Rico and features distinctly centuries-old architecture, such as Spanish military forts built from the 1540s to 1800s, an active harbor, and a very active economic area in the Hato Rey and Santurce districts. San Juan has magnificent beaches, hotels, plazas, historic sites, and museums.

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San Juan Marathon

About the Event