The men's 400 metres at the 2010 IAAF World Indoor Championships will be held at the ASPIRE Dome on 12 and 13 March.
| Gold | Silver | Bronze |
Chris Brown Bahamas
|
William Collazo Cuba
|
Jamaal Torrance United States
|
| Standing records prior to the 2010 IAAF World Indoor Championships | ||||
|---|---|---|---|---|
| World record |  Kerron Clement (USA)
|
44.57 | Fayetteville, United States | 12 March 2005 |
| Championship record | Harry Reynolds (USA)
|
45.26 | Toronto, Canada | 14 March 1993 |
| World Leading | Torrin Lawrence (USA)
|
45.03 | Fayetteville, United States | 12 February 2010 |
| African record |  Sunday Bada (NGR)
|
45.51 | Paris, France | 9 March 1997 |
| Asian record |  Shunji Karube (JPN)
|
45.76 | Paris, France | 9 March 1997 |
| European record |  Thomas Schönlebe (GDR)
|
45.05 | Sindelfingen, West Germany | 5 February 1988 |
| North and Central American and Caribbean record |
Kerron Clement (USA)
|
44.57 | Fayetteville, United States | 12 March 2005 |
| Oceanian Record |  Daniel Batman (AUS)
|
45.93 | Birmingham, Great Britain | 2 March 2003 |
| South American record |  Bayano Kamani (PAN)
|
46.26 | Boston, United States | 29 January 2005 |
| Indoor | Outdoor |
|---|---|
| 47.00 | 45.25 |
| Date | Time | Round |
|---|---|---|
| March 12, 2010 | 9:35 | Heats |
| March 12, 2010 | 19:30 | Semifinals |
| March 13, 2010 | 18:05 | Final |
Qualification: First 2 in each heat (Q) and the next 2 fastest (q) advance to the semifinals.
Qualification: First 3 in each heat (Q) qualified. to the final.
| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 1 | Bershawn Jackson | United States |
46.13 | Q |
| 2 | 1 | David Gillick |  Ireland |
46.15 | Q |
| 3 | 1 | William Collazo | Cuba |
46.34 | Q, PB |
| 4 | 2 | Chris Brown | Bahamas |
46.64 | Q |
| 5 | 2 | Jamaal Torrance | United States |
46.69 | Q |
| 6 | 2 | Nery Brenes |  Costa Rica |
46.73 | Q, SB |
| 7 | 1 | Edino Steele |  Jamaica |
46.84 | |
| 8 | 2 | Dmitry Buryak |  Russia |
46.95 | |
| 9 | 1 | Michael Mathieu | Bahamas |
47.09 | |
| DQ | 1 | Denis Alekseyev | Russia |
Doping | |
| 10 | 2 | Richard Buck |  Great Britain |
47.70 | |
| 11 | 2 | Ricardo Chambers | Jamaica |
48.02 |
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
 |
Chris Brown | Bahamas |
45.96 | SB |
 |
William Collazo | Cuba |
46.31 | PB |
 |
Jamaal Torrance | United States |
46.43 | |
| 4 | Nery Brenes | Costa Rica |
46.55 | SB |
| 5 | Bershawn Jackson | United States |
46.84 | |
| David Gillick | Ireland |
DQ |
