| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | AUS | Australia U20 |
AUS
|
41.64 Q WU20R | 0.139 |
| 2 | ITA | Italy U20 |
ITA
|
41.74 Q PB | 0.141 |
| 3 | JAM | Jamaica U20 |
JAM
|
42.08 Q PB | 0.177 |
| 4 | NED | Netherlands U20 |
NED
|
42.33 PB | 0.253 |
| 5 | BRA | Brazil U20 |
BRA
|
42.77 PB | 0.209 |
| 6 | EST | Estonia U20 |
EST
|
43.69 | 0.188 |
| 7 | BUL | Bulgaria U20 |
BUL
|
43.73 | 0.188 |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100 m | 10.69 |
Italy U20
|
ITA
|
| 200 m | 21.37 |
Italy U20
|
ITA
|
| 300 m | 31.21 |
Australia U20
|
AUS
|
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | GBR | Great Britain & NI U20 |
GBR
|
41.60 Q WU20R | 0.147 |
| 2 | FRA | France U20 |
FRA
|
42.16 Q PB | 0.159 |
| 3 | POL | Poland U20 |
POL
|
42.18 Q PB | 0.190 |
| 4 | ESP | Spain U20 |
ESP
|
42.69 PB | 0.147 |
| 5 | RSA | South Africa U20 |
RSA
|
42.87 PB | 0.228 |
| 6 | MEX | Mexico U20 |
MEX
|
44.67 | 0.184 |
| 7 | PNG | Papua New Guinea U20 |
PNG
|
45.80 | 0.168 |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100 m | 10.90 |
South Africa U20
|
RSA
|
| 200 m | 21.53 |
Great Britain & NI U20
|
GBR
|
| 300 m | 31.15 |
Great Britain & NI U20
|
GBR
|
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | USA | United States U20 |
USA
|
41.82 Q | 0.129 |
| 2 | NGR | Nigeria U20 |
NGR
|
41.91 Q PB | 0.211 |
| 3 | GER | Germany U20 |
GER
|
42.12 Q PB | 0.161 |
| 4 | SVK | Slovak Republic U20 |
SVK
|
42.54 PB | 0.129 |
| 5 | BEL | Belgium U20 |
BEL
|
43.04 | 0.249 |
| 6 | CHI | Chile U20 |
CHI
|
43.14 PB | 0.161 |
| 7 | PER | Peru U20 |
PER
|
43.50 PB | 0.201 |
| Split | Mark | Athlete | COUNTRY |
|---|---|---|---|
| 100 m | 10.73 |
United States U20
|
USA
|
| 200 m | 21.39 |
Slovak Republic U20
|
SVK
|
| 300 m | 31.29 |
United States U20
|
USA
|