# 1993 World Championships in Athletics – Men's 400 metres

These are the official results of the Men's 400 metres event at the 1993 IAAF World Championships in Stuttgart, Germany. There were a total number of 43 participating athletes, with six qualifying heats and the final held on Tuesday 1993-08-17. The winning margin was 0.48 seconds.

## Final

| RANK | FINAL | TIME |
| | Michael Johnson (USA) | 43.65 |
| | Butch Reynolds (USA) | 44.13 |
| | Samson Kitur (KEN) | 44.54 |
| 4. | Quincy Watts (USA) | 45.05 |
| 5. | Sunday Bada (NGR) | 45.11 |
| 6. | Greg Haughton (JAM) | 45.63 |
| 7. | Simon Kemboi (KEN) | 45.65 |
| 8. | Kennedy Ochieng (KEN) | 45.68 |

## Semifinals

* Held on Monday 1993-08-16
| RANK | HEAT 1 | TIME |
| 1. | Quincy Watts (USA) | 44.63 |
| 2. | Butch Reynolds (USA) | 44.82 |
| 3. | Simon Kemboi (KEN) | 44.94 |
| 4. | Kennedy Ochieng (KEN) | 45.01 |
| 5. | Evon Clarke (JAM) | 45.19 |
| 6. | Norberto Téllez (CUB) | 46.17 |
| 7. | Du'aine Ladejo (GBR) | 46.33 |
| — | Ian Morris (TRI) | DNS |
| RANK | HEAT 2 | TIME |
| 1. | Samson Kitur (KEN) | 44.34 |
| 2. | Michael Johnson (USA) | 44.39 |
| 3. | Sunday Bada (NGR) | 44.63 |
| 4. | Greg Haughton (JAM) | 44.78 |
| 5. | Ibrahim Ismail Muftah (QAT) | 44.85 |
| 6. | Solomon Amegatcher (GHA) | 45.58 |
| 7. | Neil de Silva (TRI) | 45.66 |
| 8. | Rico Lieder (GER) | 45.75 |

## Quarterfinals

* Held on Sunday 1993-08-15
| RANK | HEAT 1 | TIME |
| 1. | Quincy Watts (USA) | 45.07 |
| 2. | Simon Kemboi (KEN) | 45.22 |
| 3. | Neil de Silva (TRI) | 45.50 |
| 4. | Rico Lieder (GER) | 45.66 |
| 5. | Jean-Louis Rapnouil (FRA) | 45.69 |
| 6. | Sadek Boumendil (ALG) | 45.91 |
| 7. | Cayetano Cornet (ESP) | 46.46 |
| | Francis Ogola (UGA) | DQ |
| RANK | HEAT 2 | TIME |
| 1. | Samson Kitur (KEN) | 45.02 |
| 2. | Sunday Bada (NGR) | 45.21 |
| 3. | Greg Haughton (JAM) | 45.48 |
| 4. | Solomon Amegatcher (GHA) | 45.59 |
| 5. | Dmitriy Golovastov (RUS) | 46.00 |
| 6. | Ade Mafe (GBR) | 46.03 |
| 7. | Jean-Claude Yekpe (BEN) | 47.09 |
| 8. | Shigekazu Omori (JPN) | 47.42 |
| RANK | HEAT 3 | TIME |
| 1. | Michael Johnson (USA) | 44.72 |
| 2. | Ibrahim Ismail Muftah (QAT) | 44.95 |
| 3. | Evon Clarke (JAM) | 45.32 |
| 4. | Norberto Téllez (CUB) | 45.51 |
| 5. | Troy Douglas (BER) | 45.57 |
| 6. | Patrick Delice (TRI) | 45.70 |
| 7. | Anton Ivanov (BUL) | 45.93 |
| 8. | Andrea Nuti (ITA) | 46.77 |
| RANK | HEAT 4 | TIME |
| 1. | Butch Reynolds (USA) | 44.71 |
| 2. | Kennedy Ochieng (KEN) | 44.90 |
| 3. | Ian Morris (TRI) | 45.90 |
| 4. | Du'aine Ladejo (GBR) | 46.51 |
| 5. | Roger Jordan (BAR) | 46.89 |
| 6. | Benyounés Lahlou (MAR) | 47.83 |
| | Ibrahim Hassan (GHA) | DNS |
| | Roberto Hernández (CUB) | DNS |

## Qualifying heats

* Held on Saturday 1993-08-14
| RANK | HEAT 1 | TIME |
| 1. | Michael Johnson (USA) | 45.60 |
| 2. | Norberto Téllez (CUB) | 45.79 |
| 3. | Ian Morris (TRI) | 45.80 |
| 4. | Dmitriy Golovastov (RUS) | 45.97 |
| 5. | Du'aine Ladejo (GBR) | 46.17 |
| 6. | Gholamreza Sistani (IRI) | 48.27 |
| 7. | Livingstone Roach (SKN) | 48.72 |
| RANK | HEAT 2 | TIME |
| 1. | Jean-Louis Rapnouil (FRA) | 45.63 |
| 2. | Kennedy Ochieng (KEN) | 45.68 |
| 3. | Roberto Hernández (CUB) | 46.01 |
| 4. | Andrea Nuti (ITA) | 46.59 |
| 5. | Keteng Baloseng (BOT) | 47.93 |
| | Slobodan Branković (IWP) | DNS |
| | Ilir Xhani (ALB) | DNS |
| RANK | HEAT 3 | TIME |
| 1. | Sunday Bada (NGR) | 45.98 |
| 2. | Greg Haughton (JAM) | 46.10 |
| 3. | Patrick Delice (TRI) | 46.16 |
| 4. | Sadek Boumendil (ALG) | 46.37 |
| 5. | Shigekazu Omori (JPN) | 47.17 |
| 6. | Roger Jordan (BAR) | 47.75 |
| 7. | Francisco Flores (HON) | 50.86 |
| RANK | HEAT 4 | TIME |
| 1. | Simon Kemboi (KEN) | 45.91 |
| 2. | Quincy Watts (USA) | 45.94 |
| 3. | Ibrahim Hassan (GHA) | 46.61 |
| 4. | Benyounés Lahlou (MAR) | 46.64 |
| 5. | Jean-Claude Yekpe (BEN) | 46.92 |
| 6. | Raymundo Escalante (MEX) | 48.03 |
| 7. | Stephen Lugor (SUD) | 48.72 |
| RANK | HEAT 5 | TIME |
| 1. | Butch Reynolds (USA) | 45.34 |
| 2. | Ibrahim Ismail Muftah (QAT) | 45.48 |
| 3. | Solomon Amegatcher (GHA) | 45.68 |
| 4. | Ade Mafe (GBR) | 46.25 |
| 5. | Francis Ogola (UGA) | 46.53 |
| 6. | Anton Ivanov (BUL) | 46.84 |
| | Baobo Neuendorf (PNG) | DNF |
| RANK | HEAT 6 | TIME |
| 1. | Samson Kitur (KEN) | 45.71 |
| 2. | Neil de Silva (TRI) | 45.74 |
| 3. | Evon Clarke (JAM) | 45.92 |
| 4. | Rico Lieder (GER) | 46.06 |
| 5. | Troy Douglas (BER) | 46.17 |
| 6. | Cayetano Cornet (ESP) | 46.57 |
| 7. | Kossi Akoto (TOG) | 47.91 |