| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Jamie Baulch |
GBR
|
46.02 Q | |
| 2 | Troy McIntosh |
BAH
|
46.20 Q NR | |
| 3 | Alejandro Manuel Cárdenas |
MEX
|
46.50 | |
| 4 | Deon Minor |
USA
|
46.68 | |
| 5 | Marco Vaccari |
ITA
|
47.54 | |
| 6 | Antonio Andrés |
ESP
|
47.71 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Sunday Bada |
NGR
|
46.06 Q SB | |
| 2 | Derek Mills |
USA
|
46.14 Q | |
| 3 | Mark Hylton |
GBR
|
46.19 | |
| 4 | Linval Laird |
JAM
|
47.01 | |
| 5 | Dusán Kovács |
HUN
|
47.23 | |
| 6 | Shigekazu Omori |
JPN
|
47.34 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Shunji Karube |
JPN
|
46.16 Q NR | |
| 2 | Robert Mackowiak |
POL
|
46.22 Q SB | |
| 3 | Sanderlei Parrela |
BRA
|
46.33 AR | |
| 4 | Ruslan Mashchenko |
RUS
|
46.42 | |
| 5 | Mathias Rusterholz |
SUI
|
47.16 | |
| 6 | Kjell Provost |
BEL
|
48.30 |