Juanco began working as a pit lane reporter for LaSexta's coverage of Formula One motor racing in 2009 and moved to Antena 3 in 2012.
[1][2] During her time at university, Juanco did a summer internship at the La Provincia/Diario de Las Palmas newspaper and also interned with COPE Asturias.
[3][4][5] In March 2009, she began working as a pit lane reporter and preview presenter for LaSexta's coverage of Formula One motor racing.
[6] Juanco's bosses were aware she was passionate about motorsport, having covered the GP2 Series in 2008 by making and editing fifteen-minute preview films,[4][7] and she became the first woman to report on Formula One on Spanish television.
[16] Juanco lent her voice to the FIFA 21 football video game by EA Sports for its career and UEFA Champions League modes, becoming the series's first woman commentator; she was heard only in the Spanish edition.
[20] Before the 2022 season, Juanco was promoted to the role of deputy director of DAZN F1 [es] and was replaced as presenter by Noemí de Miguel.