| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS |
|---|---|---|---|---|---|---|
| 1 | 1 | 1 | BOT | Botswana U20 |
BOT |
3:03.75 Q WU20L |
| 2 | 2 | 1 | JPN | Japan U20 |
JPN |
3:07.59 Q SB |
| 3 | 1 | 2 | USA | United States U20 |
USA |
3:07.87 Q SB |
| 4 | 2 | 2 | GER | Germany U20 |
GER |
3:08.50 Q SB |
| 5 | 3 | 1 | JAM | Jamaica U20 |
JAM |
3:08.80 Q SB |
| 6 | 4 | 1 | IND | India U20 |
IND |
3:08.89 q NU20R |
| 7 | 5 | 1 | TTO | Trinidad and Tobago U20 |
TTO |
3:08.91 q SB |
| 8 | 3 | 2 | ITA | Italy U20 |
ITA |
3:09.42 Q SB |
| 9 | 6 | 1 | POL | Poland U20 |
POL |
3:09.42 SB |
| 10 | 7 | 1 | THA | Thailand U20 |
THA |
3:10.08 SB |
| 11 | 4 | 2 | BEL | Belgium U20 |
BEL |
3:10.78 SB |
| 12 | 5 | 2 | LAT | Latvia U20 |
LAT |
3:10.85 NU20R |
| 13 | 8 | 1 | CAN | Canada U20 |
CAN |
3:12.05 SB |
| 2 | KSA | Saudi Arabia U20 |
KSA |
DQ R163.3(a) | ||
| 2 | KEN | Kenya U20 |
KEN |
DNS |