| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | SUI | Switzerland U20 |
SUI
|
43.99 Q | 0.166 |
| 2 | BEL | Belgium U20 |
BEL
|
44.33 Q NU20R | 0.194 |
| 3 | ESP | Spain U20 |
ESP
|
44.54 Q NU20R | 0.203 |
| 4 | POL | Poland U20 |
POL
|
44.60 SB | 0.157 |
| 5 | CZE | Czechia U20 |
CZE
|
44.75 | 0.168 |
| 6 | EST | Estonia U20 |
EST
|
45.64 NU20R | 0.228 |
| 7 | SVK | Slovak Republic U20 |
SVK
|
45.66 | 0.152 |
| 8 | RSA | South Africa U20 |
RSA
|
45.96 SB | 0.176 |
| 9 | CHI | Chile U20 |
CHI
|
46.22 | 0.191 |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100 m | 12.06 |
Belgium U20
|
BEL
|
| 200 m | 22.75 |
Switzerland U20
|
SUI
|
| 300 m | 33.51 |
Switzerland U20
|
SUI
|
| POS | BIB | ATHLETE | COUNTRY | MARK | ms* | Reaction Time |
|---|---|---|---|---|---|---|
| 1 | GER | Germany U20 |
GER
|
44.09 Q | 0.169 | |
| 2 | TTO | Trinidad and Tobago U20 |
TTO
|
45.03 Q | .026 | 0.234 |
| 3 | CAN | Canada U20 |
CAN
|
45.03 Q SB | .028 | 0.196 |
| 4 | HUN | Hungary U20 |
HUN
|
45.80 | 0.247 | |
| 5 | CRO | Croatia U20 |
CRO
|
45.87 NU20R | 0.253 | |
| 6 | IND | India U20 |
IND
|
45.91 | 0.182 | |
| 7 | CHN | PR of China U20 |
CHN
|
46.79 | 0.158 | |
| BRA | Brazil U20 |
BRA
|
DNF | 0.145 |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100 m | 11.82 |
Germany U20
|
GER
|
| 200 m | 22.30 |
Germany U20
|
GER
|
| 300 m | 33.55 |
Germany U20
|
GER
|
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | AUS | Australia U20 |
AUS
|
43.44 Q AU20R | 0.167 |
| 2 | JAM | Jamaica U20 |
JAM
|
43.61 Q SB | 0.160 |
| 3 | NGR | Nigeria U20 |
NGR
|
43.65 Q SB | 0.151 |
| 4 | USA | United States U20 |
USA
|
43.67 SB | 0.158 |
| 5 | FRA | France U20 |
FRA
|
44.26 SB | 0.154 |
| 6 | ITA | Italy U20 |
ITA
|
44.61 SB | 0.151 |
| 7 | SLO | Slovenia U20 |
SLO
|
45.36 PB | 0.223 |
| SWE | Sweden U20 |
SWE
|
DNS |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100 m | 11.67 |
Australia U20
|
AUS
|
| 200 m | 22.13 |
United States U20
|
USA
|
| 300 m | 32.90 |
Australia U20
|
AUS
|