| Order / Lane | ATHLETE | COUNTRY | PB | SB 2010 |
|---|---|---|---|---|
| 2 | France Junior |
FRA
|
39.33 | 40.09 |
| 3 | South Africa Junior |
RSA
|
39.59 | 41.25 |
| 4 | Canada Junior |
CAN
|
39.64 | |
| 5 | Czech Republic Junior |
CZE
|
39.57 | 40.84 |
| 6 | Saudi Arabia Junior |
KSA
|
39.80 | 41.66 |
| 7 | Trinidad and Tobago Junior |
TTO
|
39.17 | 39.77 |
| 8 | Jamaica Junior |
JAM
|
39.05 | 39.78 |
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2010 |
|---|---|---|---|---|
| 2 | Bahamas Junior |
BAH
|
40.34 | 40.71 |
| 3 | Poland Junior |
POL
|
39.61 | 40.01 |
| 4 | Thailand Junior |
THA
|
39.66 | 39.82 |
| 5 | Australia Junior |
AUS
|
39.62 | 40.68 |
| 6 | United States Junior |
USA
|
38.66 | 40.66 |
| 7 | Nigeria Junior |
NGR
|
39.54 | |
| 8 | Belgium Junior |
BEL
|
40.30 | 40.30 |
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2010 |
|---|---|---|---|---|
| 2 | Bahrain Junior |
BRN
|
41.8 | |
| 3 | Spain Junior |
ESP
|
40.03 | 40.66 |
| 4 | Brazil Junior |
BRA
|
39.64 | 40.80 |
| 5 | Japan Junior |
JPN
|
39.30 | 39.98 |
| 6 | Great Britain & N.I. Junior |
GBR
|
39.05 | 39.91 |
| 7 | Zimbabwe Junior |
ZIM
|
42.18 | |
| 8 | Germany Junior |
GER
|
39.25 | 39.91 |