| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2016 |
|---|---|---|---|---|---|
| 2 | POL | Poland U20 |
POL
|
39.31 | 39.98 |
| 3 | USA | United States U20 |
USA
|
38.66 | 39.20 |
| 4 | JPN | Japan U20 |
JPN
|
39.01 | 39.53 |
| 5 | AUS | Australia U20 |
AUS
|
39.34 | 39.62 |
| 6 | GBR | Great Britain and N.I. U20 |
GBR
|
39.05 | 39.91 |
| 7 | GER | Germany U20 |
GER
|
39.25 | 39.69 |
| 8 | ITA | Italy U20 |
ITA
|
39.61 | 40.13 |
| 9 | JAM | Jamaica U20 |
JAM
|
38.97 | 39.74 |