| Final 21.00h | time | L | | 1. Fabrizio Mori | ITA | 47.72s | 3 | | 2. Stephane Diagana | FRA | 48.12s | 5 | | 3. Marcel Schelbert | SUI | 48.13s | 7 | | 4. Eronilde NunesDeAraujo | BRA | 48.13s | 8 | | 5. Pawel Januszewski | POL | 48.19s | 4 | | 6. Joey Woody | USA | 48.77s | 6 | | 7. Dinsdale Morgan | JAM | 48.92s | 2 | | 8. Torrance Zellner | USA | 49.06s | 1 |
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| Heat 1 21.05h | time | L | | 1. Joey Woody | USA | 48.55s | 8 | | 2. Pawel Januszewski | POL | 48.63s | 7 | | 3. Marcel Schelbert | SUI | 48.80s | 6 | | 4. Kemel Thompson | JAM | 48.95s | 5 | | 5. Jiri Muzik | CZE | 49.17s | 2 | | 6. Samuel Matete | ZAM | 49.28s | 3 | | 7. Kazuhiko Yamazaki | JPN | 49.46s | 4 | | 8. Jean Laurent Heusse | FRA | 50.17s | 1 |
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| Heat 2 21.15h | time | L | | 1. Stephane Diagana | FRA | 48.18s | 4 | | 2. Fabrizio Mori | ITA | 48.29s | 5 | | 3. Eronilde Nunes De Araujo | BRA | 48.41s | 6 | | 4. Torrance Zellner | USA | 48.53s | 7 | | 5. Dinsdale Morgan | JAM | 48.71s | 3 | | 6. Tibor Bedi | HUN | 49.00s | 8 | | 7. Carlos Silva | POR | 49.45s | 2 | | 8. Thomas Goller | GER | 49.89s | 1 |
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| Heat 1 12.40h | time | L | | 1. Kazuhiko Yamazaki | JPN | 49.08s | 6 | | 2. Tibor Bedi | HUN | 49.38s | 7 | | 3. Periklis Iakovakis | GRE | 49.53s | 5 | | 4. Ken Harnden | ZIM | 49.72s | 3 | | 5. Cleverson Oliveira Da Silva | BRA | 49.98s | 2 | | 6. Vadim Zadoynov | MOL | 50.14s | 4 | | 7. Zaher Al Din Al Najem | SYR | 50.35s | 1 | | -. Tien-Wen Chen | TPE | DQ | 8 |
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| Heat 2 12.47h | time | L | | 1. Samuel Matete | ZAM | 48.90s | 3 | | 2. Carlos Silva | POR | 49.02s | 5 | | 3. Miro Kocuvan | SLO | 49.63s | 2 | | 4. Felix Sanchez | DOM | 49.67s | 8 | | 5. Chunhua Tan | CHN | 50.10s | 6 | | 6. Alexandre Marchand | CAN | 50.30s | 7 | | 7. Ashok K. Jayasundara | SRI | 51.70s | 4 |
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| Heat 3 12.54h | time | L | | 1. Fabrizio Mori | ITA | 49.07s | 6 | | 2. Pawel Januszewski | POL | 49.21s | 2 | | 3. Jiri Muzik | CZE | 49.40s | 8 | | 4. Pedro Rodrigues | POR | 49.97s | 3 | | 5. Sinisa Pesa | YUG | 50.40s | 7 | | 6. Curt Young | PAN | 51.48s | 5 | | -. Llewellyn Herbert | RSA | DNS | 4 |
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| Heat 4 13.01h | time | L | | 1. Dinsdale Morgan | JAM | 48.99s | 6 | | 2. Jean Laurent Heusse | FRA | 49.82s | 8 | | 3. Hadi Soua'an Al-Somaily | KSA | 49.88s | 5 | | 4. Darko Juricic | CRO | 49.96s | 7 | | 5. Jeff Ellis | CAN | 50.77s | 3 | | 6. Hamed Ziad Abou | AUS | 50.85s | 4 | | -. Chris Rawlinson | GBR | DNS | 2 |
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| Heat 5 13.08h | time | L | | 1. Stephane Diagana | FRA | 48.55s | 5 | | 2. Eronilde Nunes De Araujo | BRA | 48.81s | 2 | | 3. Torrance Zellner | USA | 48.97s | 3 | | 4. Hideaki Kawamura | JPN | 49.66s | 4 | | 5. Monte Raymond | CAN | 50.75s | 6 | | 6. Ivan Wakit | PNG | 52.55s | 7 | | -. Costas Pochanis | CYP | DNF | 8 |
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| Heat 6 13.15h | time | L | | 1. Marcel Schelbert | SUI | 48.66s | 6 | | 2. Joey Woody | USA | 49.18s | 5 | | 3. Ibou Faye | SEN | 49.48s | 7 | | 4. Shunji Karube | JPN | 49.52s | 8 | | 5. Mustapha Sdad | MAR | 49.64s | 4 | | 6. Anthony Borsumato | GBR | 50.05s | 3 | | -. Kenneth Enyiazu | NGR | DNS | 2 |
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| Heat 7 13.22h | time | L | | 1. Kemel Thompson | JAM | 49.17s | 3 | | 2. Thomas Goller | GER | 49.52s | 8 | | 3. Angelo Taylor | USA | 49.58s | 4 | | 4. Paul Gray | GBR | 50.15s | 5 | | 5. Vladislav Shiryayev | RUS | 50.34s | 2 | | 6. Victor Houston | BAR | 50.57s | 6 | | 7. Asha Ram Chaudhary | NEP | 53.87s | 7 |
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