Talent spotted by the highly successful BRAT club, she was in the British Age-Group team winning gold in the ITU Triathlon World Championships in 2006.

She won her first Iron distance triathlon in 2007 in Korea and followed it up with a virgin victory in the same year's World Ironman Championships, repeating it in emphatic fashion in 2008, 2009 and 2011.

She was ITU Long Distance Triathlon World Champion in Almere in 2008 and has smiled her way to first place in every single Iron-distance race she has entered. Chrissie also holds the world record for the fastest time in an iron distance event of 8 hours 18 minutes 13 seconds. 

She is a passionate and active supporter of a number of charitable causes, and has become an icon and ambassador for Great Britain and triathlon - helping to inspire others to test themselves and triumph against the odds.  Chrissie was crowned the 'The Sunday Times Sportswoman of the Year' in 2009 and was awarded an MBE in the Queens Honours list in 2010. She published her autobiography 'A Life Without Limits: A World Champion's Journey' in 2012.