| Order / Lane | ATHLETE | COUNTRY | PB | SB 2018 |
|---|---|---|---|---|
| 1 | Qatar U20 |
QAT
|
40.50 | 40.95 |
| 2 | Great Britain & NI U20 |
GBR
|
39.05 | 39.83 |
| 3 | Hungary U20 |
HUN
|
40.14 | |
| 4 | Ukraine U20 |
UKR
|
40.21 | |
| 5 | Australia U20 |
AUS
|
39.34 | 40.07 |
| 6 | Ireland U20 |
IRL
|
40.30 | 40.30 |
| 7 | Czech Republic U20 |
CZE
|
39.41 | 40.02 |
| 8 | Italy U20 |
ITA
|
39.50 |
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2018 |
|---|---|---|---|---|
| 2 | Saudi Arabia U20 |
KSA
|
39.80 | |
| 3 | Jamaica U20 |
JAM
|
38.97 | 39.56 |
| 4 | South Africa U20 |
RSA
|
39.33 | 39.33 |
| 5 | Poland U20 |
POL
|
39.31 | 40.44 |
| 6 | Germany U20 |
GER
|
39.13 | 39.43 |
| 7 | Finland U20 |
FIN
|
40.17 | |
| 8 | Greece U20 |
GRE
|
40.40 | 40.65 |
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2018 |
|---|---|---|---|---|
| 2 | India U20 |
IND
|
40.56 | 40.75 |
| 3 | United States U20 |
USA
|
38.66 | |
| 4 | Japan U20 |
JPN
|
39.01 | 39.44 |
| 5 | Bahamas U20 |
BAH
|
39.48 | 40.46 |
| 6 | Turkey U20 |
TUR
|
40.63 | 40.63 |
| 7 | Spain U20 |
ESP
|
39.59 | |
| 8 | Trinidad and Tobago U20 |
TTO
|
39.17 | 40.29 |