Beljajeva debuted internationally in 2018, competing at the European Championships in Guadalajara where she ended 9th in teams, 36th in the All-Around, 24th with hoop, 20th ball and 13th with clubs.[3] In October she competed at the Youth Olympic Games in Buenos Aires, finishing 18th in the qualification round and not advancing to the final.[4]
Her senior debut was the 2019 World Cup in Pesaro, where she was 48th in the All-Around, 50th with hoop, 49th ball, 61st with clubs and 39th with ribbon.[5] In August she competed at the stage in Minsk taking the 53rd place in the All-Around, 53rd with hoop, 52nd ball, 31st with clubs and 38th with ribbon.[6] Adelina was selected to perform with hoop and clubs at the World Championships in Baku, ending 23rd in teams, 46th with hoop and 50th with clubs.[7]
In 2022 she entered the national group, getting to compete at the 2022 European Championships in Tel Aviv, the group finished 15th in the All-Around, 18th with 5 hoops and 9th with 3 ribbons + 2 balls.[8] In September she participated in the World Championships in Sofia, where she along with teammates Evelin Naptal, Mirtel Korbelainen, Kiara Oja, Arina Okamanchuk, Alina Vesselova was 20th in the All-Around, 15th with 5 hoops and 18th with 3 ribbons + 2 balls.[9]
Estonia
Estonia_at_2018_Summer_Youth_Olympics_by_Sandro_Halank–115_(cropped).jpg)
