# Swimming at the 2010 Summer Youth Olympics – Boys' 100 metre backstroke

The men's 100 metre backstroke heats and semifinals at the 2010 Youth Olympic Games took place on August 15 and the final took place on August 16 at the Singapore Sports School.

## Medalists

| Gold | He Jianbin China | 55.16 |
| Silver | Yakov Toumarkin Israel | 55.28 |
| Bronze | Lavrans Solli Norway | 56.20 |

## Heats
### Heat 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Bastien Soret | Belgium | 59.15 | |
| 2 | 2 | Ruslan Baimanov | Kazakhstan | 1:00.07 | |
| 3 | 4 | Bilal Achalhi | Morocco | 1:01.70 | |
| 4 | 3 | Alan Wladimir Abarca Cortes | Chile | 1:01.71 | |
| 5 | 6 | Mark Sammut | Malta | 1:01.80 | |
| - | 7 | Ammar Ghanim | Yemen | - | DNS |

### Heat 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | Max Ackermann | Australia | 57.64 | Q |
| 2 | 4 | Andrii Kovbasa | Ukraine | 57.96 | Q |
| 3 | 5 | Matuesz Wysoczynski | Poland | 58.00 | Q |
| 4 | 2 | Raphaël Stacchiotti | Luxembourg | 58.11 | Q |
| 5 | 1 | Serghei Golban | Moldova | 58.12 | Q |
| 6 | 6 | Yusuke Yamagishi | Japan | 58.97 | |
| 7 | 7 | Pedro Antonio Costa | Brazil | 59.46 | |
| 8 | 8 | Heshan Unamboowe | Sri Lanka | 59.75 | |

### Heat 3

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Yakov Toumarkin | Israel | 55.55 | Q |
| 2 | 1 | Péter Bernek | Hungary | 57.10 | Q |
| 3 | 7 | Ivan Biondić | Croatia | 57.34 | Q |
| 4 | 6 | Alexis Manacas da Silva Santos | Portugal | 57.45 | Q |
| 5 | 3 | Rainer Kai Wee Ng | Singapore | 57.50 | Q |
| 6 | 4 | Christian Diener | Germany | 58.92 | |
| 7 | 8 | Christian Homer | Trinidad and Tobago | 59.71 | |
| 8 | 2 | Martin Fakla | Slovakia | 1:00.06 | |

### Heat 4

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | Lavrans Solli | Norway | 57.08 | Q |
| 2 | 4 | Jianbin He | China | 57.18 | Q |
| 3 | 6 | Murray McDougall | South Africa | 57.43 | Q |
| 4 | 5 | Abdullah Altuwaini | Kuwait | 57.88 | Q |
| 5 | 7 | Steve Schmuhl | United States | 58.01 | Q |
| 6 | 8 | Simone Geni | Italy | 58.53 | |
| 7 | 1 | Ondrej Palatka | Czech Republic | 58.86 | |
| 8 | 2 | Mans Hjelm | Sweden | 59.08 | |

## Semifinal
### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Jianbin He | China | 56.10 | Q |
| 2 | 4 | Lavrans Solli | Norway | 56.39 | Q |
| 3 | 3 | Murray McDougall | South Africa | 56.67 | Q |
| 4 | 2 | Abdullah Altuwaini | Kuwait | 57.41 | Q |
| 5 | 6 | Rainer Kai Wee Ng | Singapore | 57.44 | |
| 6 | 7 | Matuesz Wysoczynski | Poland | 57.56 | |
| 7 | 1 | Raphaël Stacchiotti | Luxembourg | 57.66 | |
| 8 | 8 | Ondrej Palatka | Czech Republic | 58.17 | |

### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Yakov Toumarkin | Israel | 55.40 | Q |
| 2 | 5 | Péter Bernek | Hungary | 56.97 | Q |
| 3 | 3 | Ivan Biondić | Croatia | 57.33 | Q |
| 4 | 7 | Andrii Kovbasa | Ukraine | 57.35 | Q |
| 5 | 2 | Max Ackermann | Australia | 57.63 | |
| 6 | 1 | Steve Schmuhl | United States | 57.64 | |
| 7 | 8 | Serghei Golban | Moldova | 57.87 | |
| 8 | 6 | Alexis Manacas da Silva Santos | Portugal | 58.06 | |

## Final

| Rank | Lane | Name | Nationality | Time | Notes |
| | 5 | Jianbin He | China | 55.16 | |
| | 4 | Yakov Toumarkin | Israel | 55.28 | |
| | 3 | Lavrans Solli | Norway | 56.20 | |
| 4 | 2 | Péter Bernek | Hungary | 56.33 | |
| 5 | 6 | Murray McDougall | South Africa | 56.68 | |
| 6 | 7 | Ivan Biondić | Croatia | 56.88 | |
| 7 | 1 | Andrii Kovbasa | Ukraine | 56.93 | |
| - | 8 | Abdullah Altuwaini | Kuwait | - | DSQ |