She won Girls U12 at the 2006 IRF World Junior Championships in Tempe, Arizona, defeating the USA’s Devon Pimentelli in the final.

[3] Vargas and Yasmine Sabja took home bronze in Girls U16 Doubles from the 2008 World Junior Championships in Tempe, Arizona.

[4] Vargas lost in the quarterfinals of Girls U16 at 2009 World Juniors in Santo Domingo, Dominican Republic to Aubrey O’brien of the USA, 15-4, 15-12.

Vargas also played doubles in Seoul with Jenny Daza, and they lost to Japan’s Naomi Wakimoto and Toshiko Sakamoto, 15-12, 15-2, in the quarterfinals.

[8] In Santo Domingo, Dominican Republic, at the 2011 World Junior Championships, Vargas lost in the Girls U18 Singles final, 4-15, 15-7, 11-4,[9] to Canadian Frédérique Lambert.

In singles, she beat Canadian Frédérique Lambert, 15-11, 15-8, in the Round of 16, and team-mate Jenny Daza in the quarterfinals, 15-6, 15-13, before losing in the semi-finals to the USA’s Rhonda Rajsich, 15-6, 15-7.

Vargas played Women’s Singles at the 2012 Pan American Championships in Temuco, Chile, where she lost in the Round of 16 to Cristina Amaya of Colombia, 15-3, 15-2.

Perhaps ironically, Vargas’s 1st tournament for her adopted country was the 2014 Pan American Championships in Santa Cruz, Bolivia, her native land.

In singles, she beat Veronica Sotomayor of Ecuador in the quarterfinals, 15-13, 15-1, and Samantha Salas in the semi-finals, 15-7, 8-15, 11-2, to reach her 1st international final.

[17] In doubles, she and Véronique Guillemette beat Vargas’s former team-mates Jenny Daza and Carola Loma of Bolivia, 15-8, 15-10, in the quarterfinals.

At the 2014 World Championships in Burlington, Ontario, Vargas reached the semi-finals by defeating Gabriela Martinez of Guatemala, 15-5, 15-5, in the Round of 16, and Canadian Christine Richardson, 15-6, 15-1, in the quarterfinals.

She was again the silver medalist in Women's Doubles with Véronique Guillemette, losing the final to Mexicans Paola Longoria and Samantha Salas, 15-4, 15-13.

In the Women's Team event, Vargas and Guillemette lost in the quarterfinals to Canadians Frédérique Lambert and Jennifer Saunders.

In Women's Singles, she reached the semi-finals with a win over Bolivian Yasmine Sabja, her former doubles partner from junior days, 15-2, 15-7.

She played Women's Doubles with Natalia Mendez, and they lost in the quarterfinals to Guatemalans Gabriela Martinez and Maria Renee Rodriguez, 15-2, 15-8.

At the 2019 Pan American Championships in Barranquilla, Colombia, Vargas was a finalist in Women’s Singles, as she beat USA veteran Rhonda Rajsich in the quarterfinals, 15-4, 15-8, and Argentina team-mate Natalia Mendez, 15-9, 14-15, 11-7, in the semi-finals.

In Women’s Doubles, Vargas and Mendez beat Chileans Carla Muñoz and Josefa Parada, 15-7, 15-8, in the Round of 16, but they lost in the quarterfinals to Longoria and Samantha Salas of Mexico, 15-7, 15-6.

She beat the USA’s Kelani Lawrence, 15-9, 15-13, in the quarterfinals, and her old Bolivian team-mate Adriana Riveros, who was now representing Colombia, 15-8, 15-9, in the semi-finals.

In Women’s Doubles, she and Natalia Mendez beat Canadians Frédérique Lambert and Jennifer Saunders, 15-9, 15-9, in the quarterfinals, but lost to Guatemalans Gabriela Martinez and Maria Renee Rodriguez in the semi-finals, 15-9, 10-15, 11-1.

[15] At the 2022 Pan American Racquetball Championships in Santa Cruz de la Sierra, Bolivia, Vargas won Women’s Doubles with Natalia Mendez, beating Mexicans Alexandra Herrera and Samantha Salas in the final, 15-14, 14-15, 15-10, 8-15, 11-9.

In singles, she defeated Costa Rican Maricruz Ortiz in the semi-finals, 11-2, 11-6, 11-9, but lost the final to Mexican Montserrat Mejia, 11-8, 11-6, 11-9.

[32] Vargas and Natalia Mendez played Women's Doubles, and they defeated Americans Michelle Key and Erika Manilla in the quarterfinals, 10-12, 11-9, 11-5, 12-10, and Mexicans Alexandra Herrera and Montserrat Mejia in the semi-finals, 5-11, 11-13, 3-11, 11-7, 11-7.

[41] Vargas also played singles at Worlds, earning a bronze medal, as she defeated American Kelani Lawrence in the quarterfinals, 8-11, 12-14, 14-12, 11-7, 11-8, but lost to Mexican Paola Longoria in the semi-finals, 11-9, 16-14, 9-11, 11-5.