I have run two Olympic 'A' standard times over the past 12 months and with the time I ran at the African Championships last week I know my speed and fitness are constantly improving so that I will peak in time for the Olympics.

Botha also said the trajectory of the gunshots indicated that they had been fired downward and directly toward the toilet. 97 seconds besting a pair of American runners both possessing a single amputation Marlon Shirley and Brian Frasure. However he said: "If I make the team I don't want to be the reserve for the relay I want to be in the top four.

Although both of Pistorius' legs were amputated below the knee when he was 11 months old he competes in events for single below-knee amputees and for able-bodied athletes. He also took a silver in the 200 metres race having set a world record in the semifinal.