In 1906, a few months before his 15th birthday, Beaurepaire won the and freestyle at the Victorian championships. In 1908, he captured the , 880 yd and mile freestyle events at the Australian Championships to claim a spot in the 1908 Summer Olympics team. On arrival in London with Horlock, he found that no arrangements had been made to pick them up, so they were forced to live with 16 pounds between them for a month, before officials became aware of their plight.