Bastianelli won the women's road race at the 2007 UCI Road World Championships ahead of Marianne Vos and Giorgia Bronzini,[7] and also won the equivalent race at the 2018 European Road Cycling Championships, again beating Vos.

Born in Velletri, near Rome, Bastianelli rode for the Safi–Pasta Zara–Manhattan team from 2006 to 2008.

On 5 July 2008, Bastianelli tested positive for a banned substance, the stimulant fenfluramine which can be found in dietary aids.

It was found in her urine A sample during a routine doping control at the under 23 European championships held in Verbania, Italy.

[8][9] She was subsequently dropped from the Italian team for the 2008 Summer Olympics and handed a one-year ban by the Italian National Olympic Committee.