| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 1 | JPN | Japan U18 |
JPN |
1:52.18 Q WYL |
| 2 | 1 | 3 | USA | United States U18 |
USA |
1:52.19 Q SB |
| 3 | 2 | 1 | QAT | Qatar U18 |
QAT |
1:52.47 q PB |
| 4 | 1 | 4 | JAM | Jamaica U18 |
JAM |
1:52.78 Q SB |
| 5 | 1 | 2 | NGR | Nigeria U18 |
NGR |
1:52.90 Q PB |
| 6 | 2 | 2 | BAH | Bahamas U18 |
BAH |
1:53.38 q SB |
| 7 | 3 | 1 | HUN | Hungary U18 |
HUN |
1:54.01 q PB |
| 8 | 4 | 1 | POL | Poland U18 |
POL |
1:54.29 q SB |
| 9 | 2 | 3 | BRN | Bahrain U18 |
BRN |
1:54.32 PB |
| 10 | 3 | 3 | PUR | Puerto Rico U18 |
PUR |
1:54.64 SB |
| 11 | 4 | 3 | UKR | Ukraine U18 |
UKR |
1:55.56 SB |
| 12 | 2 | 4 | ESP | Spain U18 |
ESP |
1:55.61 SB |
| 13 | 3 | 4 | CAN | Canada U18 |
CAN |
1:55.72 SB |
| 14 | 3 | 2 | ROU | Romania U18 |
ROU |
1:55.90 PB |
| 15 | 4 | 4 | NOR | Norway U18 |
NOR |
1:56.92 SB |
| 16 | 4 | 2 | RUS | Russia U18 |
RUS |
1:57.56 SB |
| 17 | 5 | 4 | ZIM | Zimbabwe U18 |
ZIM |
1:57.77 |
| 18 | 5 | 3 | CHN | PR of China U18 |
CHN |
1:57.80 SB |
| 19 | 5 | 2 | SLO | Slovenia U18 |
SLO |
1:58.42 PB |
| 20 | 5 | 1 | KAZ | Kazakhstan U18 |
KAZ |
2:00.60 SB |
| 21 | 6 | 2 | ALG | Algeria U18 |
ALG |
2:01.52 |
| 22 | 6 | 4 | OMA | Oman U18 |
OMA |
2:01.63 |
| 2 | ITA | Italy U18 |
ITA |
DQ | ||
| 3 | RSA | South Africa U18 |
RSA |
DQ | ||
| 4 | FIJ | Fiji U18 |
FIJ |
DQ | ||
| 1 | GBR | Great Britain & N.I. U18 |
GBR |
DNS | ||
| 3 | DEN | Denmark U18 |
DEN |
DNS |