 Walker became an expert rider and in 1912 gave several exhibitions in Sydney.Surfboard riding received national exposure with the exhibitions by Hawaiian Duke Kahanamoku in the summer of 1914-1915 at several Sydney beaches.As a current Olympic sprint champion, Kahanamoku was invited to tour the Eastern states for an extensive series of swimming carnivals and at his first appearance in the Domain Pool, Sydney, smashed his previous world record for 100 yards by a full second.