2008 World Junior Championships in Athletics – Men's 4 × 400 metres relay
The men's 4x400 metres relay event at the 2008 World Junior Championships in Athletics was held in Bydgoszcz, Poland, at Zawisza Stadium on 12 and 13 July.
Medalists
Results
Final
13 July| Rank | Nation | Competitors | Time | Notes |
| USA | Marcus Boyd Bryan Miller O'Neal Wilder Jeshua Anderson | 3:03.86 | ||
| UK | Louis Persent Robert Davis Nigel Levine Jordan McGrath | 3:05.82 | ||
| GER | Niklas Zender Alexander Juretzko Marc-John Dombrowski Pascal Nabow | 3:06.47 | ||
| 4 | JAM | Kevin Williams Nickel Ashmeade Rolando Berch Akino Ming | 3:08.58 | |
| 5 | POL | Arkadiusz Wojno Michał Pietrzak Rafał Omelko Jakub Krzewina | 3:08.65 | |
| 6 | NGR | Nkami Edu Noah Akwu Ayokunle Odelusi Victor Isaiah | 3:12.56 | |
| 7 | BAH | Juan Lewis Jeffery Gibson Lesley Hanna La'sean Pickstock | 3:21.75 | |
| TRI | Darnell Greig Jovon Toppin Emanuel Mayers Zwede Hewitt | DQ | IAAF rule 170.8 |