| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Japan Junior |
JPN
|
39.59 Q SB | 0.144 |
| 2 | Jamaica Junior |
JAM
|
39.90 Q | 0.152 |
| 3 | Botswana Junior |
BOT
|
40.01 q NJR | 0.175 |
| 4 | Finland Junior |
FIN
|
40.58 NJR | 0.126 |
| Australia Junior |
AUS
|
DQ | 0.148 | |
| Greece Junior |
GRE
|
DNF | 0.166 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | United States Junior |
USA
|
38.96 Q WJL | 0.156 |
| 2 | Poland Junior |
POL
|
39.95 Q | 0.176 |
| 3 | Germany Junior |
GER
|
40.04 q SB | 0.151 |
| 4 | Nigeria Junior |
NGR
|
40.36 SB | 0.154 |
| 5 | Bahamas Junior |
BAH
|
40.44 PB | 0.171 |
| 6 | India Junior |
IND
|
41.34 | 0.199 |
| Sweden Junior |
SWE
|
DNF | 0.155 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Great Britain & N.I. Junior |
GBR
|
39.72 Q SB | 0.255 |
| 2 | Cyprus Junior |
CYP
|
40.44 Q NJR | 0.149 |
| 3 | New Zealand Junior |
NZL
|
40.64 | 0.142 |
| 4 | Oman Junior |
OMA
|
41.57 | 0.173 |
| France Junior |
FRA
|
DNF | 0.143 | |
| Switzerland Junior |
SUI
|
DNF | 0.170 |