Bartolini competed at the 2014 World Championships where he helped Italy finish 13th as a team during qualifications.

[1] Between 2015 and 2018 he participated in the 2015 World Championships but injuries prevented him from taking part in Rio 2016 and other competitions.

He took part in the European Championships 2019 and finished eighth on floor exercise and sixth on the vault.

[3][4] In October he won the gold medal in the floor event at the World Artistic Gymnastics Championships 2021 becoming the first Italian to do so.

[7] During the team final he helped Italy win the silver medal behind Great Britain and he placed fourth on floor exercise.