Kaburu was invited by FINA to compete as a 26-year-old swimmer for the Ugandan team in the men's 50 m freestyle at the 2008 Summer Olympics in Beijing. Swimming on the outside in heat four, he raced to seventh in a splash-and-dash finish with a time of 27.72 seconds, but placed further in eighty-second overall out of ninety-seven entrants at the end of the evening prelims.