[4] In 2019, she spoke about experiencing intense weight control from coaches after joining the national team, which lead to an eating disorder and health issues from dehydration, as well as undergoing forced stretching and witnessing racism.

[4] She participated in the 2007 Pan American Games, held in Rio de Janeiro, Brazil, with her best placement there being fifth place in the hoop final.

[1] At the 2010 South American Games, held in Medellín, Colombia, she won a gold medal in the rhythmic team competition as well as in the individual all-around and the hoop, rope, clubs and ribbon finals.

[13] At the 2014 World Championships, she only competed with the hoop and ball due to an administrative error preventing her from registering for all events.

On September 9–13, Kvieczynski competed at the 2015 World Championships in Stuttgart, where she finished 54th in the all-around qualifications and did not advance into the finals.