Completed the following sentence: He competed for South Africa in the 1920 Games held in Antwerp, Belgium in the 4x400 meter relay where he won the silver medal with his teammates Clarence Oldfield, Jack Oosterlaak and Bevil Rudd. Completed the following sentence: He competed for South Africa in the 1920 Games held in Antwerp, Belgium in the 4x400 meter relay where he won the silver medal with his teammates Clarence Oldfield, Jack Oosterlaak and Bevil Rudd. They completed the race in a time of 3 minutes and 23 seconds flat.<unk> They completed the race in a time of 3 minutes and 23 seconds flat. Dafel also finished sixth in the 400 metres event. <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk>
4x100 metres relay.