2005 World Championships in Athletics – Men's 400 metres
# 2005 World Championships in Athletics – Men's 400 metres

The men's 400 metres at the 2005 World Championships in Athletics was held on August 9, 10 and 12 at the Helsinki Olympic Stadium.

## Medalists

| Gold | Jeremy Wariner United States (USA) |
| - | - |
| Silver | Andrew Rock United States (USA) |
| Bronze | Tyler Christopher Canada (CAN) |

## Results

All times shown are in seconds.

* AR area record | CR championship record | GR games record | NR national record | OR Olympic record | PB personal best | SB season best | WL world leading (in a given season)
* DNS = did not start | DQ = disqualification | NM = no mark (i.e. no valid result) | Q = qualification by place in heat | q = qualification by overall place

### Heats

August 9, 2005

**Heat 1**

* Timothy Benjamin 44.85 Q
* Brandon Simpson 44.98 Q
* James Godday 45.30 q (PB)
* California Molefe 45.34 q (NR)
* Pierre Lavanchy 45.79 q
* Željko Vincek 46.03
* Abdesalem Khalifeh Bajes Al-Hajjaj 48.89
* Florent Battistel 50.54

**Heat 2**

* Jeremy Wariner 45.24 Q
* Robert Tobin 45.41 Q
* Young Talkmore Nyongani 45.55 q
* Hamdan Odha Al-Bishi 45.88 q
* Cedric van Branteghem 46.42
* Alejandro Cárdenas 46.73 (SB)
* Isaac Yaya 47.75

**Heat 3**

* John Steffensen 45.62 Q
* Tyler Christopher 45.66 Q
* Arismendy Peguero 45.80 q (SB)
* Eric Milazar 45.91
* Andrae Williams 46.49
* Simon Kirch 47.45
* Saeed Al-Adhreai 49.74
   * Tawhid Tawhidul Islam DQ

**Heat 4**

* Andrew Rock 44.98 Q
* Chris Brown 45.20 Q
* Andrea Barberi 45.70 q (PB)
* Sofiane Labidi 45.71 q
* Mitsuhiro Sato 45.78 q (SB)
* Anderson Jorge dos Santos 46.32
* Chung Cheng-Kang 47.85 (PB)
* Glauco Martini 51.48

**Heat 5**

* Michael Blackwood 45.58 Q
* Carlos Santa 45.63 Q
* Alleyne Francique 45.77 q
* Marcin Marciniszyn 45.97
* Damion Barry 46.20
* Nery Brenes 47.11
* Ibrahim Ahmadov 48.51

**Heat 6**

* Gary Kikaya 45.88 Q
* Lanceford Spence 46.21 Q
* Ofentse Mogawane 46.80
* Wilan Louis 46.93
* Prasanna Sampath Amarasekara 47.11
* Chris Meke Walasi 49.47
   * Boubou Gandéga DQ
   * Saul Weigopwa DQ

**Heat 7**

* Darold Williamson 45.97 Q
* Nagmeldin Ali Abubakr 46.02 Q
* Malachi Davis 46.14
* Ato Modibo 46.28
* Leslie Djhone 46.57
* Chris Lloyd 47.13
* Moses Kamut 48.63

### Semi-finals

August 10, 2005

**Heat 1**

* Brandon Simpson 45.53 Q
* Andrew Rock 45.78 Q
* John Steffensen 46.06 q
* Carlos Santa 46.07
* Alleyne Francique 46.59
* James Godday 46.62
* Hamdan Odha Al-Bishi 46.80
* Andrea Barberi 47.10

**Heat 2**

* Tyler Christopher 45.47 Q
* Darold Williamson 45.65 Q
* Timothy Benjamin 45.66 q
* Arismendy Peguero 46.08
* Gary Kikaya 46.15
* Nagmeldin Ali Abubakr 46.67
* Lanceford Spence 47.20
   * Sofiane Labidi DNF

**Heat 3**

* Jeremy Wariner 45.65 Q
* Chris Brown 45.67 Q
* Michael Blackwood 46.25
* Robert Tobin 46.69
* Pierre Lavanchy 47.19
* Young Talkmore Nyongani 47.20
* California Molefe 47.26
* Mitsuhiro Sato 48.55

### Final

August 12, 2005

* Jeremy Wariner 43.93 (WL)
* Andrew Rock 44.35 (PB)
* Tyler Christopher 44.44 (NR)
* Chris Brown 44.48 (PB)
* Timothy Benjamin 44.93
* Brandon Simpson 45.01
* Darold Williamson 45.12
* John Steffensen 45.46
