| Final | Team | time | L | React. | | 1. David Greene | WAL | 48.52s | 6 | 0.163 | | 2. Louis van Zyl | RSA | 48.63s | 7 | 0.201 | | 3. Rhys Williams | WAL | 49.19s | 5 | 0.214 | | 4. Vincent Koskei | KEN | 49.36s | 9 | 0.225 | | 5. Richard Yates | ENG | 49.84s | 4 | 0.225 | | 6. Brendan Cole | AUS | 50.14s | 8 | 0.221 | | 7. Adrian Findlay | JAM | 50.48s | 3 | 0.169 | | 8. David Hughes | ENG | 50.48s | 2 | 0.170 |
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| Heat 1 | Team | time | L | React. | | 1. Rhys Williams | WAL | 49.81s | 4 | 0.209 | | 2. Brendan Cole | AUS | 49.96s | 5 | 0.209 | | 3. David Hughes | ENG | 50.55s | 6 | 0.180 | | 4. Mowen Boino | PNG | 51.40s | 3 | 0.224 | | 5. David Benjimin | VAN | 54.64s | 7 | 0.220 | | -. Josef Robertson | JAM | DNF | 8 | 0.162 |
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| Heat 2 | Team | time | L | React. | | 1. David Greene | WAL | 49.98s | 4 | 0.177 | | 2. Vincent Koskei | KEN | 50.11s | 6 | 0.222 | | 3. Jean Vieillesse | MRI | 51.21s | 7 | 0.230 | | 4. Kuldev Singh | IND | 51.59s | 5 | 0.208 | | 5. Kurt Couto | MOZ | 51.60s | 8 | 0.225 | | 6. Amara Kamara | SLE | 56.87s | 3 | 0.220 |
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| Heat 3 | Team | time | L | React. | | 1. Richard Yates | ENG | 49.83s | 5 | 0.233 | | 2. Louis van Zyl | RSA | 49.95s | 7 | 0.207 | | 3. Adrian Findlay | JAM | 50.25s | 4 | 0.162 | | 4. Joseph Ganapathilacka | IND | 50.55s | 6 | 0.182 | | 5. Dale Garland | GGY | 51.48s | 8 | 0.232 | | 6. Wala Gime | PNG | 56.61s | 3 | 0.208 |
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