In this Catalan name, the first or paternal surname is Miró and the second or maternal family name is Varela; both are generally joined by the conjunction "i".
Miró was born in Barcelona. She started ski mountaineering in 2005 and competed first in the Cronoescalada race in Cerler in 2006. In the same year she became a member of the national team (Equipo PNTD Esquí de Montaña) and a "high level athlete" of the high sports council (Spanish: Consejo Superior de Deportes) of the Spanish government (No. 47.641.303 - Montaña y Escalada).[1]