[3] Vesselova competed at the 2017 European Championships in Budapest, as a member of the Estonian junior group, finishing 7th in the All-Around.

[5] In 2020 the season was cut short due to the Covid-19 pandemic but she competed at the 2020 European Championships in Kyiv, where her and her teammates Laurabell Kabrits, Evelin Naptal, Carmely Reiska and Arina Okamanchuk made history by winning Estonia's first European medal: bronze in the 5 balls final, behind Ukraine and Israel.

The Estonian group made of Alina, Laurabell Kabrits, Evelin Naptal, Carmely Reiska, Arina Okamanchuk finished 13th in the All-Around and both the routines.

[8][9] She was selected for 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.

[10] In September she participated in the World Championships in Sofia, where she along with teammates Adelina Beljajeva, Mirtel Korbelainen, Kiara Oja, Evelin Naptal, Arina Okamanchuk was 20th in the All-Around, 15th with 5 hoops and 18th with 3 ribbons + 2 balls.