Born in Barry, Vale of Glamorgan, Davies swam for Wales at the 2002 and 2006 Commonwealth Games and represented Great Britain at the 2004, 2008 Olympics and 2012 Olympics.
Davies is a Welsh swimmer who participated in swimming events for Wales at the 2002 and 2006 Commonwealth Games and represented Great Britain in the 2004, 2008, and 2012 Olympic Games.