Kizzy took up rhythmic gymnastics at age 7, she entered the Venezuelan national team when she was 11.[2]
At the 2018 Central American and Caribbean Games she won three bronze medals as part of the senior group.[3][4][5]
In 2019 she was part of the group (made up of Kizzy, Maria Waleska Ojeda, Juliette Quiroz, Dahilin Parra, Sofia Suarez and Jadeliz Zambrano) won all three silver medals at the South American Championships. Later that year she competed at the Pan American Games in Lima, finishing 6th in the All-Around, 6th with 5 balls and 4th with 3 hoops & 2 clubs.[6]
In 2022 she changed nationality to represent Colombia competed in the Bolivarian Games in Valledupar, winning gold in the All-Around and silver in the event finals as a member of the senior group.[7] At the Pan American Gymnastics Championships in Rio de Janeiro, along Angelica Guerrero, Natalia Jiménez, Adriana Mantilla, Nicol Mora and Karen Duarte, took 8th place in the All-Around and 5th with 5 hoops.[8][9] In late November she won bronze in the All-Around, with 3 ribbons + 2 balls and in teams at the South American Championships along Karen Duarte, Natalia Jiménez, Paula Flechas, Adriana Mantilla and Isabella Salazar.[10]
In June 2023 the group was 8th overall at the Pan American Championships in Guadalajara, as well as 7th with 5 hoops and 6th with 3 ribbons & 2 balls final.[11] Twenty days later the groups, made of Kizzy, Karen Duarte, Natalia Jiménez, Laura Patiño and Adriana Mantilla, won bronze in the All-Around and in the mixed event and silver with 5 hoops at the Central American and Caribbean Games.[12][13][14] In the same year, at the Pan American Games, she helped the group take 5th place in the All-Around, 5th place with 5 hoops and 4th place with 3 ribbons & 2 balls.[15]
In 2024 she won bronze in the All-Around along Paula Flechas, Natalia Jiménez, Adriana Mantilla, Laura Patiño and Karen Duarte, at the Pan American Championships in Ciudad de Guatemala.[16]
Colombia 
Colombia 
