| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Great Britain & N.I. Junior |
GBR
|
39.14 Q WLJ | |
| 2 | Japan Junior |
JPN
|
39.48 Q NJR | |
| 3 | Hungary Junior |
HUN
|
40.31 q NJR | |
| 4 | Chile Junior |
CHI
|
41.19 NJR | |
| 5 | Israel Junior |
ISR
|
41.41 NJR | |
| Spain Junior |
ESP
|
DNF | ||
| Italy Junior |
ITA
|
DNF |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | France Junior |
FRA
|
39.91 Q | |
| 2 | Trinidad and Tobago Junior |
TTO
|
40.33 Q NJR | |
| 3 | Portugal Junior |
POR
|
40.73 | |
| 4 | United States Junior |
USA
|
41.01 | |
| 5 | Mexico Junior |
MEX
|
41.66 | |
| Australia Junior |
AUS
|
DQ |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Poland Junior |
POL
|
39.61 Q NJR | |
| 2 | Jamaica Junior |
JAM
|
39.94 Q SB | |
| 3 | Germany Junior |
GER
|
40.34 q SB | |
| 4 | New Zealand Junior |
NZL
|
40.42 SB | |
| 5 | Switzerland Junior |
SUI
|
40.57 SB | |
| 6 | Qatar Junior |
QAT
|
41.06 | |
| South Africa Junior |
RSA
|
DNS |