The boys' 400 metres competition at the 2010 Youth Olympic Games was held on 17–21 August 2010 in Bishan Stadium.
| Athletics – Boys' 400 metres at the I Summer Youth Olympic Games | |||||||||||||
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| Venue | Bishan Stadium | ||||||||||||
| Date | August 17–21 | ||||||||||||
| Competitors | 29 from 29 nations | ||||||||||||
| Medalists | |||||||||||||
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Schedule edit
| Date | Time | Round |
|---|---|---|
| 17 August 2010 | 11:30 | Heats |
| 21 August 2010 | 09:50 | Final |
Records edit
Prior to the competition, the following records were as follows.
| World Youth Best |  Obea Moore (USA)
|
45.14 | Santiago, Chile | 2 September 1995 |
| Championship Record | None | |||
| World Youth Leading |  Luguelín Santos (DOM)
|
46.19 | Santo Domingo, DOM | 26 June 2010 |
No new records were set during the competition.
Results edit
Heats edit
| Rank | Heat | Lane | Athlete | Time | Notes | Q |
|---|---|---|---|---|---|---|
| 1 | 4 | 5 |  Luguelín Santos (DOM) |
46.82 | FA | |
| 2 | 2 | 4 |  Lukas Schmitz (GER) |
47.27 | FA | |
| 3 | 3 | 3 |  Sadam Elnour (SUD) |
47.37 | FA | |
| 4 | 1 | 3 |  Nikita Uglov (RUS) |
47.43 | FA | |
| 5 | 4 | 4 |  Ruan Greyling (RSA) |
47.60 | PB | FA |
| 6 | 3 | 5 |  Alphas Kishoyian (KEN) |
47.79 | FA | |
| 7 | 1 | 4 |  Najee Glass (USA) |
47.83 | FA | |
| 8 | 3 | 4 |  Leandro de Araújo (BRA) |
48.23 | FA | |
| 9 | 2 | 5 |  Marco Lorenzi (ITA) |
48.40 | FB | |
| 10 | 1 | 6 |  Shaquille Alleyne (BAR) |
48.68 | FB | |
| 11 | 3 | 6 |  Golden Gunde (MAW) |
48.68 | =PB | FB |
| 12 | 1 | 5 |  Simon Lawrence (DMA) |
48.82 | FB | |
| 13 | 2 | 6 |  Sebastian Wiszniewski (POL) |
48.83 | FB | |
| 14 | 2 | 3 |  Abdullah Ahmed Abkar (KSA) |
49.18 | FB | |
| 15 | 4 | 3 |  Choi Dong-baek (KOR) |
49.20 | FB | |
| 16 | 4 | 7 |  Luke Greco (AUS) |
50.82 | FC | |
| 17 | 1 | 7 |  Fousseyni Tamboura (MLI) |
50.96 | FC | |
| 18 | 3 | 2 |  Omar Ceesay (GAM) |
52.09 | FC | |
| 19 | 4 | 6 |  Lennox Williams (JAM) |
52.27 | FC | |
| 20 | 2 | 2 |  Jimmy Thoronka (SLE) |
52.83 | FC | |
| 21 | 4 | 8 |  Jalil Salmon (ANT) |
53.55 | FC | |
| 22 | 1 | 2 |  Davy Julien Edou (GAB) |
53.59 | FC | |
| 23 | 2 | 7 |  David Walter (ISV) |
53.90 | FD | |
| 24 | 4 | 2 |  Stanley Sipolo (SOL) |
54.53 | FD | |
| 25 | 3 | 7 |  Michael Gaitan (GUM) |
55.07 | FD | |
| 26 | 1 | 1 |  Maima Moiya (TUV) |
1:03.28 | FD | |
| 1 | 8 |  Yorghena Embole Mokulu (COD) |
DNF | FD | ||
| 2 | 8 |  Rosen Daniel (LCA) |
DNF | FD | ||
| 3 | 8 |  Djato Emmanuel (CHA) |
DSQ | FD |
Finals edit
Final A edit
| Rank | Lane | Athlete | Time | Notes |
|---|---|---|---|---|
 |
6 | Luguelín Santos (DOM) |
47.11 | |
 |
8 | Ruan Greyling (RSA) |
47.22 | PB |
 |
7 | Alphas Kishoyian (KEN) |
47.24 | PB |
| 4 | 4 | Sadam Elnour (SUD) |
47.32 | |
| 5 | 2 | Leandro de Araújo (BRA) |
47.59 | PB |
| 6 | 1 | Najee Glass (USA) |
47.65 | |
| 7 | 3 | Nikita Uglov (RUS) |
48.15 | |
| 8 | 5 | Lukas Schmitz (GER) |
48.70 |
Final B edit
| Rank | Lane | Athlete | Time | Notes |
|---|---|---|---|---|
| 1 | 5 | Marco Lorenzi (ITA) |
48.31 | |
| 2 | 3 | Shaquille Alleyne (BAR) |
48.35 | |
| 3 | 6 | Choi Dong-baek (KOR) |
48.42 | PB |
| 4 | 8 | Sebastian Wiszniewski (POL) |
48.45 | |
| 5 | 7 | Abdullah Ahmed Abkar (KSA) |
48.51 | |
| 6 | 6 | Golden Gunde (MAW) |
48.71 | |
| 7 | 4 | Simon Lawrence (DMA) |
49.26 |
Final C edit
| Rank | Lane | Athlete | Time | Notes |
|---|---|---|---|---|
| 1 | 4 | Omar Ceesay (GAM) |
50.07 | SB |
| 2 | 6 | Luke Greco (AUS) |
50.76 | |
| 3 | 3 | Fousseyni Tamboura (MLI) |
51.01 | |
| 4 | 7 | Jalil Salmon (ANT) |
52.58 | |
| 5 | 2 | Davy Julien Edou (GAB) |
54.15 | |
| 8 | Jimmy Thoronka (SLE) |
DSQ | ||
| 5 | Lennox Williams (JAM) |
DNS |
Final D edit
| Rank | Lane | Athlete | Time | Notes |
|---|---|---|---|---|
| 1 | 2 | Djato Emmanuel (CHA) |
51.03 | SB |
| 2 | 8 | Yorghena Embole Mokulu (COD) |
51.24 | |
| 3 | 3 | David Walter (ISV) |
52.50 | |
| 4 | 6 | Michael Gaitan (GUM) |
55.20 | |
| 4 | Stanley Sipolo (SOL) |
DNS | ||
| 7 | Rosen Daniel (LCA) |
DNS | ||
| 5 | Maima Moiya (TUV) |
DNS |