Mohamed Attoumane represented Comoros as its only swimmer competing in the Beijing Olympics. The oldest Comorian at the games, Attoumane, took part in the men's 50metre freestyle race. He was born in September 1981, and was 26 years old when he appeared for his races. Attoumane had not previously competed at any Olympic games. Attoumane competed in heat six of the preliminaries on 14 August. He finished last in his eight-man heat in a time of 29.63seconds, 5.63seconds behind the heat winner, Yellow Yeiyah. Out of the ninety-seven swimmers competing in the event, Attoumane finished 91st. He was 8.17 seconds behind the fastest athlete, Amaury Leveaux, and was 7.46 seconds behind the slowest athlete that progressed to the semi-finals, Gideon Louw.