Gálvez won a silver medal in the women's trap at the first meet of the 2011 ISSF Shotgun World Cup series in Concepcion, Chile, with a score of 91 clay pigeons, earning her first Olympic participation.

Gálvez barely advanced to the final, after scoring a total of 70 targets from the qualifying rounds, and winning a three-person shoot-off against Finland's Satu Mäkelä-Nummela and Russia's Elena Tkach, with a bonus of 12 points.

[5] She finished in fifth place, by twelve points behind winner and world-record holder Jessica Rossi of Italy, accumulating a score of 87 targets (17 in the final).

[6] At the 2016 Summer Olympics in Rio de Janeiro, Gálvez advanced to the bronze medal match in the women's trap but lost to in the shoot-off to United States' Corey Cogdell.

In the mixed trap team, Gálvez won the gold medal together with Alberto Fernández by winning the shoot-off in the final against San Marino's Alessandra Perilli and Gian Marco Berti.