Saverino entered the national senior group in 2021 and debuted at the World Championships in Kitakyushu along with her teammates Camilla Feeley, Isabella Ivanova, Nicole Khoma, Gergana Petkova, and Emily Wilson. The finished in 10th in the all-around as well as in both group apparatus finals.[4]
In 2022 she took part in the World Cup in Pamplona where the group was 10th in the all-around.[5] A week later she competed in the World Cup in Portimão, finishing 10th in the all-around and with 5 hoops and 9th with 3 ribbons and 2 balls.[6] In June she took part in the World Cup in Pesaro, taking 13th place in the all-around, 11th with 5 hoops and 13th with 3 ribbons and 2 balls.[7]
Saverino represented the US at the Pan American Gymnastics Championships in July with Maria Bolkhovitinova, Katrine Sakhnov, Gergana Petkova, Hana Starkman, Emily Wilson. They won bronze in the all-around as well as the two event finals.[8][9] In late August she competed at the World Cup in Cluj-Napoca, where the group was 12th in the all-around, 14th with 5 hoops and 12th with 3 ribbons and 2 balls.[10] In September Karolina attended the World Championships in Sofia along with her teammates Katrine Sakhnov, Gergana Petkova, Hana Starkman, and Emily Wilson. They took 15th place in the all-around and with 5 hoops and 16th with 3 ribbons and 2 balls.[11]
At the 2023 Pan American Games, Saverino won three bronze medals with the group in the all-around and both event finals.[12][13]
She announced her retirement in May 2024.[14]
United States
United States