| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1563 | Felix Sánchez |
DOM |
47.76 Q SB |
| 2 | 1 | 2 | 2743 | Javier Culson |
PUR |
47.93 Q |
| 3 | 2 | 2 | 3255 | Angelo Taylor |
USA |
47.95 Q SB |
| 4 | 2 | 1 | 3043 | Jehue Gordon |
TTO |
47.96 Q NR |
| 5 | 3 | 1 | 3212 | Kerron Clement |
USA |
48.12 q SB |
| 6 | 1 | 3 | 3258 | Michael Tinsley |
USA |
48.18 Q SB |
| 7 | 4 | 1 | 1812 | David GREENE |
GBR |
48.19 q |
| 8 | 3 | 2 | 1465 | Omar Cisneros |
CUB |
48.23 SB |
| 9 | 2 | 3 | 2176 | Leford Green |
JAM |
48.61 Q SB |
| 10 | 5 | 1 | 2910 | Mamadou Kasse HANN |
SEN |
48.80 PB |
| 11 | 6 | 1 | 1135 | Michaël Bultheel |
BEL |
49.10 PB |
| 12 | 7 | 1 | 2741 | Eric Alejandro |
PUR |
49.15 PB |
| 13 | 3 | 3 | 2932 | Brent LaRue |
SLO |
49.45 |
| 14 | 4 | 2 | 2947 | Emir Bekric |
SRB |
49.62 |
| 15 | 4 | 3 | 1843 | Rhys Williams |
GBR |
49.63 |
| 16 | 5 | 3 | 1039 | Brendan Cole |
AUS |
49.65 |
| 17 | 5 | 2 | 1155 | Kenneth Medwood |
BIZ |
49.87 |
| 18 | 6 | 3 | 2128 | José Reynaldo Bencosme De Leon |
ITA |
50.07 |
| 19 | 6 | 2 | 3140 | Stanislav Melnykov |
UKR |
50.19 |
| 20 | 7 | 3 | 1483 | Amaurys R. Valle |
CUB |
50.48 |
| 21 | 7 | 2 | 1065 | Tristan Thomas |
AUS |
50.55 |
| 22 | 8 | 1 | 2528 | Kurt Couto |
MOZ |
51.55 |
| 3 | 2571 | Cristian Morton |
NGR |
DQ | ||
| 2 | 1811 | Jack Green |
GBR |
DNF |