HOLYHEAD, UNITED KINGDOM - AUGUST 30: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Catherine, Duchess of Cambridge looks on as Prince William, Duke of Cambridge rings a bell to start the Ring O'Fire Anglesey Costal Ultra Marathon on August 30, 2013 in Holyhead, Wales. (Photo by Max Mumby/Indigo/Getty Images)