Keri-anne Payne was just two days shy of her 17th birthday when she won 400m Freestyle gold at the 2004 European Short Course Championships in Vienna - her first senior international meet.
She turned her attention to open water events in 2007, finishing 11th in the 10km at the World Championships before returning from the Beijing Olympic Games with a silver medal a year later.
Payne went on become a worldwide star of international open water swimming, clinching the 10km World Championship title for the first time in 2009 before defending it in Shanghai in 2011 then finishing fourth in the same event at London 2012.
She has also won further medals in the pool, notably 400m Individual Medley bronze for England at the 2010 Commonwealth Games in Delhi.
Payne finished 14th in the 10km Open Water at the 2013 World Championships then, after taking a break from competition, returned to win the 10km race at the European Open Water Cup Super Final in Italy.