Athletics at the 2008 Summer Olympics – Men's 4 × 400 metres relay
The men's 4 × 400 metres relay event at the 2008 Summer Olympics took place on 22 and 23 August at the Beijing National Stadium.
There were 16 NOCs competing at this event. These 16 NOCs were selected by the average of the two best marks at the qualifying period. The final was won by the United States in the new Olympic record time 2:55.39.
Records
Prior to this competition, the existing world and Olympic records were as follows.The following Olympic record was set during this competition.
| Date | Event | Name | Nationality | Time | OR | WR |
| 23 August | Final | LaShawn Merritt Angelo Taylor David Neville Jeremy Wariner | 2:55.39 | OR |
Qualification summary
Results
All times shown are in seconds.- Q denotes automatic qualification.
- q denotes fastest losers.
- DNS denotes did not start.
- DNF denotes did not finish.
- DQ denotes disqualified
- AR denotes area record.
- NR denotes national record.
- PB denotes personal best.
- SB denotes season's best.
Round 1
Final
| Rank | Lane | Nation | Competitors | Time | Notes |
| 7 | LaShawn Merritt, Angelo Taylor, David Neville, Jeremy Wariner | 2:55.39 | |||
| 5 | Andretti Bain, Michael Mathieu, Andrae Williams, Chris Brown | 2:58.03 | SB | ||
| 6 | * | Andrew Steele, Robert Tobin, Michael Bingham, Martyn Rooney | 2:58.81 | SB | |
| 4 | 8 | Kévin Borlée, Jonathan Borlée, Cédric Van Branteghem, Arnaud Ghislain | 2:59.37 | NR | |
| 5 | 2 | Sean Wroe, John Steffensen, Clinton Hill, Joel Milburn | 3:00.02 | SB | |
| 6 | 3 | Rafał Wieruszewski, Piotr Klimczak, Piotr Kędzia, Marek Plawgo | 3:00.32 | SB | |
| 7 | 9 | Michael Blackwood, Ricardo Chambers, Sanjay Ayre, Lanceford Spence | 3:01.45 | ||
| DQ | 4 | Maksim Dyldin, Vladislav Frolov, Anton Kokorin, Denis Alekseyev | DQ |