In December 2006, Romero won a silver medal in the pursuit at the UCI Track World Cup event in Moscow – her international cycling debut – losing out to fellow Briton Wendy Houvenaghel.

[7] The following year, at the 2008 UCI Track Cycling World Championships, held in Manchester, she won the individual and, (with Houvenaghel and Joanna Rowsell), team pursuit events.

She became the first British woman ever to compete in two different sports at the Olympic Games when she rode in the individual pursuit in Beijing.

[8] Romero appeared nude on her bicycle in an advert for Powerade sports drink in the run up to the 2008 Summer Olympics.

[11] It was announced in December 2009 that the event was to be dropped, meaning Romero was unable to defend her title at the 2012 Summer Olympics.