2003 IAAF World Indoor Championships – Men's 400 metres
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The men's 400 metres event at the 2003 IAAF World Indoor Championships was held on March 14–16.
Medalists
| Gold | Silver | Bronze |
Tyree Washington  United States | Daniel Caines  Great Britain | Paul McKee  IrelandJamie Baulch Great Britain |
Results
Heats
First 2 of each heat (Q) and next 4 fastest (q) qualified for the semifinals.
| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 1 | Daniel Caines | Great Britain | 45.85 | Q |
| 2 | 1 | Tyree Washington | United States | 45.90 | Q, PB |
| 3 | 4 | Daniel Batman |  Australia | 46.11 | Q |
| 4 | 1 | Marek Plawgo |  Poland | 46.33 | q |
| 5 | 2 | David Canal |  Spain | 46.39 | Q |
| 6 | 3 | Jamie Baulch | Great Britain | 46.44 | Q |
| 7 | 1 | Sofiane Labidi |  Tunisia | 46.47 | q, NR |
| 8 | 2 | Paul McKee | Ireland | 46.68 | Q |
| 9 | 3 | David McCarthy | Ireland | 46.69 | Q |
| 10 | 3 | Chris Brown |  Bahamas | 46.74 | q |
| 11 | 3 | Cedric van Branteghem |  Belgium | 46.75 | q |
| 12 | 4 | Ioan Lucian Vieru |  Romania | 46.84 | Q |
| 13 | 4 | Damion Barry |  Trinidad and Tobago | 47.21 | |
| 14 | 2 | Edoardo Vallet |  Italy | 47.77 | |
| 15 | 2 | California Molefe |  Botswana | 47.90 | NR |
| 16 | 4 | Dmitriy Chumichkin |  Azerbaijan | 48.11 | |
| 17 | 2 | Ernie Candelario |  Philippines | 48.86 | |
| 18 | 3 | Román Basil |  Panama | 49.46 | |
| 1 | Rohan Pradeep Kumara |  Sri Lanka | DQ | ||
| 2 | Davian Clarke |  Jamaica | DQ | ||
| 3 | Moses Kondowe |  Malawi | DQ | ||
| 4 | Corey Nelson | United States | DQ | ||
| 4 | Alleyne Francique |  Grenada | DQ | ||
| 1 | Danny McFarlane | Jamaica | DNF |
Semifinals
First 2 of each semifinal (Q) qualified directly for the final.
| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 1 | Paul McKee | Ireland | 46.24 | Q, NR |
| 1 | 2 | Daniel Caines | Great Britain | 46.24 | Q |
| 3 | 2 | Tyree Washington | United States | 46.50 | Q |
| 4 | 2 | David McCarthy | Ireland | 46.61 | Q, PB |
| 5 | 1 | Jamie Baulch | Great Britain | 46.74 | Q |
| 6 | 1 | Daniel Batman | Australia | 46.76 | Q |
| 7 | 2 | Marek Plawgo | Poland | 46.82 | |
| 8 | 1 | Ioan Lucian Vieru | Romania | 47.01 | |
| 8 | 2 | Cedric van Branteghem | Belgium | 47.01 | |
| 10 | 1 | Chris Brown | Bahamas | 47.03 | |
| 11 | 1 | Sofiane Labidi | Tunisia | 47.14 | |
| 12 | 2 | David Canal | Spain | 47.17 |
Final
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
 | Tyree Washington | United States | 45.34 | WL |
 | Daniel Caines | Great Britain | 45.43 | PB |
 | Paul McKee | Ireland | 45.99 | NR |
| Jamie Baulch | Great Britain | 45.99 | SB |
| 5 | David McCarthy | Ireland | 46.61 | PB |
| 6 | Daniel Batman | Australia | 46.67 |
References
- Results
