San José Marathon Costa Rica
Race Day Weather
Warm start, climbing temps ahead
Runners will face a starting temperature of 62°F, rising to 73°F by the end of the race. Wind will be light at 5 mph, with humidity at 78% contributing to a muggy feel. With temperatures climbing during the race, it's advisable for runners to start conservatively and adjust their pace in the later laps to manage the heat effectively.
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Race Info
The San José Marathon Costa Rica is an AIMS-certified road race held every December in Costa Rica's capital. The marathon covers four laps of a certified urban circuit starting and finishing at Estadio Nacional in La Sabana Park, with the half marathon running the same loop twice and the 10K on its own course. The Asociación Marathon Internacional Costa Rica has organized the race since founding it in 1993, and the December 2026 edition is its 30th running.
