Prior to the competition, the following records were as follows.
No new records were set during the competition.
Rank | Heat | Lane | Athlete | Time | Notes | Q |
---|
1 | 4 | 5 | {{flagIOCathlete|Luguelin Santos|DOM|2010 Summer Youth}} | 46.82 | FA |
2 | 2 | 4 | {{flagIOCathlete|Lukas Schmitz|GER|2010 Summer Youth}} | 47.27 | FA |
3 | 3 | 3 | {{flagIOCathlete|Sadam Elnour|SUD|2010 Summer Youth}} | 47.37 | FA |
4 | 1 | 3 | {{flagIOCathlete|Nikita Uglov|RUS|2010 Summer Youth}} | 47.43 | FA |
5 | 4 | 4 | {{flagIOCathlete|Ruan Greyling|RSA|2010 Summer Youth}} | 47.60 | PB | FA |
6 | 3 | 5 | {{flagIOCathlete|Alphas Kishoyian|KEN|2010 Summer Youth}} | 47.79 | FA |
7 | 1 | 4 | {{flagIOCathlete|Najee Glass|USA|2010 Summer Youth}} | 47.83 | FA |
8 | 3 | 4 | {{flagIOCathlete|Leandro de Araújo|BRA|2010 Summer Youth}} | 48.23 | FA |
9 | 2 | 5 | {{flagIOCathlete|Marco Lorenzi|ITA|2010 Summer Youth}} | 48.40 | FB |
10 | 1 | 6 | {{flagIOCathlete|Shaquille Alleyne|BAR|2010 Summer Youth}} | 48.68 | FB |
11 | 3 | 6 | {{flagIOCathlete|Golden Gunde|MAW|2010 Summer Youth}} | 48.68 | =PB | FB |
12 | 1 | 5 | {{flagIOCathlete|Simon Lawrence|DMA|2010 Summer Youth}} | 48.82 | FB |
13 | 2 | 6 | {{flagIOCathlete|Sebastian Wiszniewski|POL|2010 Summer Youth}} | 48.83 | FB |
14 | 2 | 3 | {{flagIOCathlete|Abdullah Abkar|KSA|2010 Summer Youth}} | 49.18 | FB |
15 | 4 | 3 | {{flagIOCathlete|Choi Dong-baek|KOR|2010 Summer Youth}} | 49.20 | FB |
16 | 4 | 7 | {{flagIOCathlete|Luke Greco|AUS|2010 Summer Youth}} | 50.82 | FC |
17 | 1 | 7 | {{flagIOCathlete|Fousseyni Tamboura|MLI|2010 Summer Youth}} | 50.96 | FC |
18 | 3 | 2 | {{flagIOCathlete|Omar Ceesay|GAM|2010 Summer Youth}} | 52.09 | FC |
19 | 4 | 6 | {{flagIOCathlete|Lennox Williams|JAM|2010 Summer Youth}} | 52.27 | FC |
20 | 2 | 2 | {{flagIOCathlete|Jimmy Thoronka|SLE|2010 Summer Youth}} | 52.83 | FC |
21 | 4 | 8 | {{flagIOCathlete|Jalil Salmon|ANT|2010 Summer Youth}} | 53.55 | FC |
22 | 1 | 2 | {{flagIOCathlete|Davy Julien Edou|GAB|2010 Summer Youth}} | 53.59 | FC |
23 | 2 | 7 | {{flagIOCathlete|David Walter|ISV|2010 Summer Youth}} | 53.90 | FD |
24 | 4 | 2 | {{flagIOCathlete|Stanley Sipolo|SOL|2010 Summer Youth}} | 54.53 | FD |
25 | 3 | 7 | {{flagIOCathlete|Michael Gaitan|GUM|2010 Summer Youth}} | 55.07 | FD |
26 | 1 | 1 | {{flagIOCathlete|Maima Moiya|TUV|2010 Summer Youth}} | 1:03.28 | FD |
99}} | 1 | 8 | {{flagIOCathlete|Yorghena Embole Mokulu|COD|2010 Summer Youth}} | 99:99|DNF}} | FD |
99}} | 2 | 8 | {{flagIOCathlete|Rosen Daniel|LCA|2010 Summer Youth}} | 99:99|DNF}} | FD |
100}} | 3 | 8 | {{flagIOCathlete|Djato Emmanuel|CHA|2010 Summer Youth}} | 99:99|DSQ}} | FD |
|
Rank | Lane | Athlete | Time | Notes |
---|
{{gold1}} | 6 | {{flagIOCathlete|Luguelin Santos|DOM|2010 Summer Youth}} | 47.11 |
{{silver2}} | 8 | {{flagIOCathlete|Ruan Greyling|RSA|2010 Summer Youth}} | 47.22 | PB |
{{bronze3}} | 7 | {{flagIOCathlete|Alphas Kishoyian|KEN|2010 Summer Youth}} | 47.24 | PB |
4 | 4 | {{flagIOCathlete|Sadam Elnour|SUD|2010 Summer Youth}} | 47.32 |
5 | 2 | {{flagIOCathlete|Leandro de Araújo|BRA|2010 Summer Youth}} | 47.59 | PB |
6 | 1 | {{flagIOCathlete|Najee Glass|USA|2010 Summer Youth}} | 47.65 |
7 | 3 | {{flagIOCathlete|Nikita Uglov|RUS|2010 Summer Youth}} | 48.15 |
8 | 5 | {{flagIOCathlete|Lukas Schmitz|GER|2010 Summer Youth}} | 48.70 |
|