Medio Maratón Internacional Rosarito
Race Day Weather
Warm morning, steady pace recommended
Runners will face temperatures starting at 64°F, rising to a maximum of 72°F. Winds will be light, peaking at 11 mph from the WNW. With humidity at 63% and a dew point of 55°F, pacing should be adjusted conservatively, especially in the warmer sections of the race.
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Race Info
The Medio Maratón Internacional Rosarito is an annual World Athletics-certified half marathon in Playas de Rosarito, Baja California, Mexico, organized by the municipal sports institute IMDER with sanction from the Baja California State Athletics Association. The 21.097-kilometer course starts and finishes at the Arco de la Zona Centro on Boulevard Benito Juárez, running along the Pacific coastline toward Popotla. The race has run annually in June since at least 2019 and reached its 10th edition in 2026, drawing over 2,300 finishers.