Her highest-profile in to date is taking gold at the women"s road race during the UCI Road World Championships in the southern German city of Stuttgart in September 2007. 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.
lieutenant was found in her urine A sample during a routine doping control at the under 23 European championships held in Verbania, Italy.
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. Bastianelli appealed to the Court of Arbitration for Sport to overturn the ban, however the Chemical Abstracts Service instead extended her ban to two years after the Union Cycliste Internationale appealed, arguing that the initial ban was too lenient.