epa03843347 Catherine, Duchess of Cambridge (L) and Prince William, Duke of Cambridge (R) arrive at Breakwater Country Park for the start of the Ring O’ Fire Anglesey Coastal Ultra Marathon in Anglesey, Britain, 30 August 2013. The Duchess of Cambridge makes her first public appearance since the birth of Prince George as she joins her husband at the three-day 135-mile foot race around the rugged coast of Anglesey. EPA/PAUL LEWIS / THE DAILY MAIL / PA WIRE UK AND IRELAND OUT EDITORIAL USE ONLY