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400 metres - Men (Heat A) World Record: 43.29 |
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| Rank | Athlete | Nat | Mark | |
| 1 | THOMAS Iwan | GBR | 45.00 | |
| 2 | MALHERBE Arnaud | RSA | 45.41 | |
| 3 | KAMOGA Davis | UGA | 45.75 | |
| 4 | MOKGANYETSI Hendrik | RSA | 45.79 | |
| 5 | JAMIESON Brad | AUS | 46.36 | |
| 6 | MABASO Moses | RSA | 46.82 | |
| 7 | MILAZAR Eric | RSA | 47.45 | |
| 8 | GRINDLEY David | GBR | 47.90 | |
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400 metres - Men (Heat B) World Record: 43.29 |
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| Rank | Athlete | Nat | Mark | |
| 1 | MOSWEU R. | BOT | 46.69 | |
| 2 | BOTHA Adriaan | RSA | 46.77 | |
| 3 | GROBBELAAR Cronjé | RSA | 47.33 | |
| 4 | KUBISA J. | BOT | 47.69 | |
| 5 | LEPOTA Andries | RSA | 47.78 | |
| 6 | WESTON James | GBR | 49.60 | |
| SPANGENBERG Wimpie | RSA | DNS | ||
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