These are the official results of theMen's 400 metres event at the2001 IAAF World Championships inEdmonton,Canada. There were a total number of 55 participating athletes, with seven qualifying heats, three semi-finals and the final held on Monday 6 August 2001 at 18:25h. The winning margin was 0.23 seconds.
| Gold |  Avard MoncurBahamas(BAH) |
| Silver |  Ingo SchultzGermany(GER) |
| Bronze |  Gregory HaughtonJamaica(JAM) |
| Standing records prior to the 2001 World Athletics Championships | ||||
|---|---|---|---|---|
| World Record |  Michael Johnson (USA) | 43.18 | August 26, 1999 |  Seville,Spain |
| Event Record | Michael Johnson (USA) | 43.18 | August 26, 1999 | Seville,Spain |
| Season Best | Tyree Washington (USA) | 44.28 | May 12, 2001 | Los Angeles,United States |
| RANK | FINAL | TIME |
|---|---|---|
 | Avard Moncur (BAH) | 44.64 |
 | Ingo Schultz (GER) | 44.87 |
 | Gregory Haughton (JAM) | 44.98 |
| 4. |  Eric Milazar (MRI) | 45.13 |
| 5. |  Hamdan O. Al-Bishi (KSA) | 45.23 |
| 6. |  Alleyne Francique (GRN) | 46.23 |
| — |  Robert Maćkowiak (POL) | DNF |
| — | Antonio Pettigrew (USA) | DQ |
| RANK | HEAT 1 | TIME |
|---|---|---|
| 1. | Avard Moncur (BAH) | 44.89 |
| 2. | Alleyne Francique (GRN) | 45.11 |
| 3. |  Mark Richardson (GBR) | 45.14 |
| 4. |  Marc Raquil (FRA) | 45.22 |
| 5. | David Canal (ESP) | 45.50 |
| 6. |  Anderson Jorge dos Santos (BRA) | 45.83 |
| 7. | Piotr Rysiukiewicz (POL) | 46.12 |
| — | Antonio Pettigrew (USA) | DQ |
| RANK | HEAT 2 | TIME |
|---|---|---|
| 1. | Gregory Haughton (JAM) | 44.83 |
| 2. | Eric Milazar (MRI) | 44.92 |
| 3. | Hamdan O. Al-Bishi (KSA) | 45.10 |
| 4. | Leonard Byrd (USA) | 45.39 |
| 5. |  Shane Niemi (CAN) | 45.91 |
| 6. |  Hendrick Mokganyetsi (RSA) | 45.99 |
| 7. | Piotr Długosielski (POL) | 46.62 |
| 8. | Iwan Thomas (GBR) | 46.72 |
| RANK | HEAT 3 | TIME |
|---|---|---|
| 1. | Ingo Schultz (GER) | 44.66 |
| 2. | Robert Maćkowiak (POL) | 44.84 |
| 3. |  Malik Louahla (ALG) | 45.14 |
| 4. | Jerome Young (USA) | 45.43 |
| 5. | Marcus La Grange (RSA) | 45.44 |
| 6. |  Jimisola Laursen (SWE) | 45.62 |
| 7. |  Sugath Thilakaratne (SRI) | 46.69 |
| — | Michael McDonald (JAM) | DNF |
Held on Tuesday 7 August 2001
| RANK | HEAT 1 | TIME |
|---|---|---|
| 1. | Avard Moncur (BAH) | 44.88 |
| 2. | Marcus La Grange (RSA) | 45.20 |
| 3. | Robert Maćkowiak (POL) | 45.27 |
| 4. | Anderson Jorge dos Santos (BRA) | 45.47 |
| 5. |  Karel Bláha (CZE) | 45.82 |
| 6. |  Tomas Coman (IRL) | 45.90 |
| — |  Yevgeniy Zyukov (UKR) | DQ |
| RANK | HEAT 2 | TIME |
|---|---|---|
| 1. | Alleyne Francique (GRN) | 45.66 |
| 2. | Mark Richardson (GBR) | 45.66 |
| 3. | Piotr Rysiukiewicz (POL) | 45.92 |
| 4. |  Ezra Sambu (KEN) | 46.18 |
| 5. |  Amin Badany Goma'a (EGY) | 46.29 |
| 6. |  Alessandro Attene (ITA) | 46.56 |
| 7. |  Kenji Tabata (JPN) | 46.68 |
| 8. |  Carlton Fortune (SUR) | 52.69 |
| RANK | HEAT 3 | TIME |
|---|---|---|
| 1. | Hamdan O. Al-Bishi (KSA) | 45.00 |
| 2. | Michael McDonald (JAM) | 45.02 |
| 3. | Sugath Thilakaratne (SRI) | 45.41 |
| 4. | Jerome Young (USA) | 45.57 |
| 5. |  Ato Modibo (TRI) | 45.82 |
| 6. | Takahiko Yamamura (JPN) | 47.22 |
| 7. |  Alvaro James (CRC) | 47.46 |
| 8. |  Youba Ould Mohamed (MTN) | 47.87 |
| RANK | HEAT 4 | TIME |
|---|---|---|
| 1. | Eric Milazar (MRI) | 45.94 |
| 2. | Piotr Długosielski (POL) | 46.49 |
| 3. | Sanjay Ayre (JAM) | 46.96 |
| 4. | Adriaan Botha (RSA) | 47.32 |
| 5. |  Kenmore Hughes (ATG) | 48.18 |
| 6. |  Meshaal Saad Al-Harbi (KUW) | 48.19 |
| — |  Arnold Payne (ZIM) | DNF |
| — | Antonio Pettigrew (USA) | DQ |
| RANK | HEAT 5 | TIME |
|---|---|---|
| 1. | Gregory Haughton (JAM) | 45.54 |
| 2. | David Canal (ESP) | 45.60 |
| 3. | Iwan Thomas (GBR) | 45.92 |
| 4. | Christopher Brown (BAH) | 46.01 |
| 5. |  Sunday Bada (NGR) | 46.12 |
| 6. | Flávio Godoy (BRA) | 46.13 |
| 7. |  Muhamad Zaiful Zainal Abidin (MAS) | 46.46 |
| 8. |  Kerth Gumbs (AIA) | 57.83 |
| RANK | HEAT 6 | TIME |
|---|---|---|
| 1. | Ingo Schultz (GER) | 45.11 |
| 2. | Leonard Byrd (USA) | 45.35 |
| 3. | Shane Niemi (CAN) | 45.41 |
| 4. | Jimisola Laursen (SWE) | 45.54 |
| 5. | Rohan Pradeep Kumara (SRI) | 46.46 |
| 6. |  Sofiane Labidi (TUN) | 47.03 |
| 7. |  William Hernández (VEN) | 47.26 |
| 8. |  Bheki Malima (SWZ) | 49.61 |
| RANK | HEAT 7 | TIME |
|---|---|---|
| 1. | Malik Louahla (ALG) | 45.13 |
| 2. | Hendrick Mokganyetsi (RSA) | 45.15 |
| 3. | Marc Raquil (FRA) | 45.55 |
| 4. |  Benjamin Youla (CGO) | 45.92 |
| 5. | Jamie Baulch (GBR) | 46.15 |
| 6. |  Dmitriy Golovastov (RUS) | 46.22 |
| 7. | Jun Osakada (JPN) | 46.86 |
| 8. |  Emmanuel De Lorenzi (MON) | 55.57 |
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