| Final | Team | time | L | React. | | 1. Mark Muttai | KEN | 45.44s | 5 | 0.227 | | 2. Sean Wroe | AUS | 45.46s | 6 | 0.195 | | 3. Ramon Miller | BAH | 45.55s | 4 | 0.185 | | 4. Michaet Matthieu | BAH | 45.56s | 7 | 0.177 | | 5. Joel Milburn | AUS | 45.71s | 9 | 0.241 | | 6. Conrad Williams | ENG | 45.88s | 8 | 0.199 | | 7. Ben Offereins | AUS | 46.00s | 2 | 0.190 | | 8. Erison Hurtault | DMA | 46.07s | 3 | 0.199 |
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| Semifinals - First 2 + Best 2 |
| Semi 1 | Team | time | L | React. | | 1. Mark Muttai | KEN | 45.63s | 7 | 0.260 | | 2. Sean Wroe | AUS | 45.64s | 5 | 0.212 | | 3. Andretti Bain | BAH | 46.18s | 6 | 0.178 | | 4. Robert Tobin | ENG | 46.27s | 4 | 0.185 | | 5. Nelson Stone | PNG | 46.70s | 3 | 0.277 | | 6. Prasanna Amarasekara | SRI | 46.87s | 2 | 0.151 | | 7. Sakarea Kamberuka | BOT | 46.91s | 9 | 0.267 | | 8. Savior Kombe | ZAM | 47.12s | 8 | 0.187 |
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| Semi 2 | Team | time | L | React. | | 1. Michaet Matthieu | BAH | 45.72s | 7 | 0.166 | | 2. Conrad Williams | ENG | 45.82s | 4 | 0.201 | | 3. Ben Offereins | AUS | 46.11s | 6 | 0.210 | | 4. Alli Ngaimoko | UGA | 46.63s | 9 | 0.241 | | 5. Oral Thompson | JAM | 46.77s | 5 | 0.130 | | 6. Isaac Makwala | BOT | 47.07s | 8 | 0.287 | | 7. Jean Degrace | MRI | 47.52s | 3 | 0.186 | | 8. Geoffrey Ngeno | KEN | 49.31s | 2 | 0.248 |
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| Semi 3 | Team | time | L | React. | | 1. Ramon Miller | BAH | 45.67s | 5 | 0.188 | | 2. Joel Milburn | AUS | 45.79s | 6 | 0.208 | | 3. Erison Hurtault | DMA | 45.93s | 4 | 0.185 | | 4. Lalonde Gordon | TRI | 46.33s | 9 | 0.221 | | 5. Vincent Kiilo | KEN | 46.50s | 8 | 0.199 | | 6. Obakeng Ngwingwa | BOT | 46.82s | 7 | 0.213 | | 7. Graham Hedman | ENG | 47.02s | 3 | 0.186 | | 8. Tom Druce | GGY | 48.30s | 2 | 0.178 |
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| Heat 1 | Team | time | L | React. | | 1. Conrad Williams | ENG | 45.78s | 3 | 0.214 | | 2. Michaet Matthieu | BAH | 46.22s | 5 | 0.169 | | 3. Alli Ngaimoko | UGA | 46.79s | 4 | 0.221 | | 4. Prasanna Amarasekara | SRI | 47.50s | 6 | 0.172 | | 5. Saaid Hassan | MDV | 48.56s | 8 | 0.177 | | 6. Thomas Vandy | SLE | 49.16s | 7 | 0.241 | | 7. John Rivan | PNG | 50.48s | 2 | 0.236 |
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| Heat 2 | Team | time | L | React. | | 1. Ramon Miller | BAH | 46.12s | 8 | 0.182 | | 2. Ben Offereins | AUS | 46.85s | 6 | 0.188 | | 3. Sakarea Kamberuka | BOT | 47.06s | 3 | 0.340 | | 4. Graham Hedman | ENG | 47.45s | 2 | 0.171 | | 5. Harpreet Singh | IND | 48.29s | 4 | 0.213 | | 6. Hywel Robinson | GGY | 50.08s | 5 | 0.211 | | -. Jimmy Noklam | VAN | &s | 7 | 0.247 |
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| Heat 3 | Team | time | L | React. | | 1. Andretti Bain | BAH | 46.19s | 3 | 0.192 | | 2. Robert Tobin | ENG | 46.26s | 8 | 0.208 | | 3. Vincent Kiilo | KEN | 46.89s | 5 | 0.218 | | 4. Jean Degrace | MRI | 47.21s | 7 | 0.195 | | 5. Bockarie Sesay | SLE | 48.72s | 6 | 0.236 | | 6. Hussain Inaas | MDV | 49.64s | 4 | 0.193 | | 7. Reonardo Harvey | TCA | 51.17s | 2 | 0.155 |
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| Heat 4 | Team | time | L | React. | | 1. Mark Muttai | KEN | 45.90s | 4 | 0.257 | | 2. Joel Milburn | AUS | 46.72s | 8 | 0.255 | | 3. Isaac Makwala | BOT | 47.39s | 2 | 0.209 | | 4. Tom Druce | GGY | 47.70s | 6 | 0.192 | | 5. Gift Soko | ZAM | 48.45s | 5 | 0.228 | | 6. Arnold Sorina | VAN | 48.97s | 3 | 0.225 | | 7. Peter Semper | MSR | 51.21s | 7 | 0.172 |
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| Heat 5 | Team | time | L | React. | | 1. Oral Thompson | JAM | 46.60s | 4 | 0.173 | | 2. Obakeng Ngwingwa | BOT | 46.79s | 6 | 0.249 | | 3. Lalonde Gordon | TRI | 47.07s | 7 | 0.208 | | 4. Nelson Stone | PNG | 47.22s | 5 | 0.300 | | 5. Golden Gunde | MAW | 48.57s | 3 | 0.246 | | 6. Ismaila Manga | GAM | 49.02s | 2 | 0.164 |
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| Heat 6 | Team | time | L | React. | | 1. Erison Hurtault | DMA | 46.50s | 2 | 0.181 | | 2. Sean Wroe | AUS | 46.82s | 8 | 0.206 | | 3. Savior Kombe | ZAM | 46.88s | 7 | 0.211 | | 4. Geoffrey Ngeno | KEN | 47.40s | 5 | 0.285 | | 5. Jean Augustin | MRI | 48.43s | 6 | 0.236 | | 6. Ibrahim Turay | SLE | 50.96s | 3 | 0.216 | | 7. Akeame Mussington | AIA | 51.39s | 4 | 0.187 |
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