| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | JAM | Jamaica U20 |
JAM
|
39.51 Q SB | 0.145 |
| 2 | JPN | Japan U20 |
JPN
|
39.65 Q SB | 0.200 |
| 3 | HKG | Hong Kong, China U20 |
HKG
|
39.66 NU20R | 0.140 |
| 4 | AUS | Australia U20 |
AUS
|
39.73 | 0.121 |
| 5 | BRA | Brazil U20 |
BRA
|
40.42 SB | 0.174 |
| 6 | POL | Poland U20 |
POL
|
40.56 | 0.171 |
| CAN | Canada U20 |
CAN
|
DQ | 0.177 |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100 m | 10.77 |
Hong Kong, China U20
|
HKG
|
| 200 m | 20.25 |
Hong Kong, China U20
|
HKG
|
| 300 m | 29.96 |
Japan U20
|
JPN
|
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | TTO | Trinidad and Tobago U20 |
TTO
|
39.40 Q SB | 0.139 |
| 2 | RSA | South Africa U20 |
RSA
|
39.86 Q SB | 0.200 |
| 3 | CZE | Czechia U20 |
CZE
|
40.30 | 0.137 |
| 4 | IRL | Ireland U20 |
IRL
|
40.39 | 0.143 |
| 5 | SVK | Slovak Republic U20 |
SVK
|
40.53 NU20R | 0.156 |
| 6 | IND | India U20 |
IND
|
41.01 | 0.145 |
| 7 | GUY | Guyana U20 |
GUY
|
41.11 | 0.179 |
| 8 | PNG | Papua New Guinea U20 |
PNG
|
43.53 SB | 0.159 |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100 m | 10.68 |
South Africa U20
|
RSA
|
| 200 m | 20.48 |
Trinidad and Tobago U20
|
TTO
|
| 300 m | 30.12 |
Trinidad and Tobago U20
|
TTO
|
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | GBR | Great Britain & NI U20 |
GBR
|
39.38 Q | 0.164 |
| 2 | GER | Germany U20 |
GER
|
39.39 Q SB | 0.169 |
| 3 | BEL | Belgium U20 |
BEL
|
39.45 q NU20R | 0.139 |
| 4 | BOT | Botswana U20 |
BOT
|
39.84 NU20R | 0.153 |
| 5 | IVB | British Virgin Islands U20 |
IVB
|
40.70 NU20R | 0.185 |
| 6 | BUL | Bulgaria U20 |
BUL
|
40.88 | 0.142 |
| NGR | Nigeria U20 |
NGR
|
DNS |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100 m | 10.85 |
Great Britain & NI U20
|
GBR
|
| 200 m | 20.48 |
Belgium U20
|
BEL
|
| 300 m | 30.20 |
Germany U20
|
GER
|
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | USA | United States U20 |
USA
|
38.87 Q SB | 0.171 |
| 2 | SUI | Switzerland U20 |
SUI
|
39.32 Q NU20R | 0.161 |
| 3 | CHN | PR of China U20 |
CHN
|
40.09 | 0.178 |
| 4 | KOR | Korea U20 |
KOR
|
40.23 | 0.147 |
| 5 | BAH | Bahamas U20 |
BAH
|
40.93 | 0.141 |
| 6 | HUN | Hungary U20 |
HUN
|
41.25 | 0.161 |
| ITA | Italy U20 |
ITA
|
DNF | 0.138 |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100 m | 10.76 |
Italy U20
|
ITA
|
| 200 m | 20.13 |
United States U20
|
USA
|
| 300 m | 29.64 |
United States U20
|
USA
|