Swimmer who overcame a series of painful injuries and setbacks to become a three-time world champion

Natasha has been a gymnast for more than a decade but two years ago, she was repeatedly hospitalised due to a series of anaphylactic reactions.

Few people would see a silver medal at an Olympic Games as a disappointment, but when Bayley finished runner-up in London 2012, he vowed that he would go one better at the 2014 World Championships.