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

The men's 100 metre breaststroke 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 | Nicholas Schafer Australia | 1:01.38 |
| Silver | Anton Lobanov Russia | 1:01.44 |
| Bronze | Flavio Bizzarri Italy | 1:02.22 |

## Heats
### Heat 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Wassim Elloumi | Tunisia | 1:05.49 | SUB |
| 2 | 7 | Emmanuel Antonio Ramirez Aponte | Puerto Rico | 1:07.47 | |
| 3 | 1 | Hrafn Traustason | Iceland | 1:07.97 | |
| 4 | 4 | Simon Beck | Liechtenstein | 1:08.42 | |
| 5 | 3 | Tarco Llobet | Bolivia | 1:13.55 | |
| 6 | 2 | Tsilavina Ramanantsoa | Madagascar | 1:14.27 | |
| 7 | 6 | Joachim Ofosuhena-Wise | Ghana | 1:29.93 | |

### Heat 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Ivan Capan | Croatia | 1:03.21 | Q |
| 2 | 3 | Kenneth To | Australia | 1:03.49 | Q |
| 3 | 8 | Matti Mattsson | Finland | 1:04.17 | Q |
| 4 | 2 | Jakub Maly | Austria | 1:04.52 | Q |
| 5 | 5 | Panagiotis Samilidis | Greece | 1:04.57 | Q |
| 6 | 6 | Razvan Tudosie | Romania | 1:04.82 | Q |
| 7 | 7 | Imri Ganiel | Israel | 1:04.89 | Q |
| 8 | 1 | Dmitrii Aleksandrov | Kyrgyzstan | 1:05.81 | |

### Heat 3

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Ioannis Karpouzlis | Greece | 1:04.71 | Q |
| 2 | 7 | Lachezar Shumkov | Bulgaria | 1:04.74 | Q |
| 3 | 6 | Ximing Wang | China | 1:05.07 | Q |
| 4 | 2 | Yannick Kaeser | Switzerland | 1:05.19 | Q |
| 5 | 5 | Christian vom Lehn | Germany | 1:05.41 | Q |
| 6 | 3 | Vaidotas Blazys | Lithuania | 1:06.13 | |
| 7 | 1 | Timo Vaimann | Estonia | 1:06.73 | |
| 8 | 8 | Nts'Eke Setho | Lesotho | 1:24.66 | NR |

### Heat 4

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | Nicholas Schafer | Australia | 1:02.09 | Q |
| 2 | 3 | Flavio Bizzarri | Italy | 1:03.14 | Q |
| 3 | 4 | Anton Lobanov | Russia | 1:03.29 | Q |
| 4 | 6 | Thomas Rabeisen | France | 1:03.29 | Q |
| 5 | 2 | Nuttapong Ketin | Thailand | 1:05.71 | |
| 6 | 1 | Sheng Jun Pang | Singapore | 1:06.46 | |
| 7 | 7 | Vinicius Borges | Brazil | 1:07.78 | |
| - | 8 | Ian Nakmai | Papua New Guinea | - | DNS |

## Semifinals

Kenneth To withdrew from the event and was replaced by Wassim Elloumi.

### Semifinal 1

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Flavio Bizzarri | Italy | 1:02.39 | Q |
| 2 | 5 | Anton Lobanov | Russia | 1:02.60 | Q |
| 3 | 6 | Panagiotis Samilidis | Greece | 1:03.26 | Q |
| 4 | 7 | Imri Ganiel | Israel | 1:04.27 | Q |
| 5 | 3 | Matti Mattsson | Finland | 1:04.39 | |
| 6 | 1 | Yannick Kaeser | Switzerland | 1:04.64 | |
| 7 | 2 | Lachezar Shumkov | Bulgaria | 1:04.97 | |
| 8 | 8 | Wassim Elloumi | Tunisia | 1:05.45 | |

### Semifinal 2

| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Nicholas Schafer | Australia | 1:01.51 | Q |
| 2 | 5 | Ivan Capan | Croatia | 1:03.14 | Q |
| 3 | 3 | Thomas Rabeisen | France | 1:03.61 | Q |
| 4 | 1 | Ximing Wang | China | 1:04.30 | Q |
| 5 | 7 | Razvan Tudosie | Romania | 1:04.84 | |
| 6 | 6 | Jakub Maly | Austria | 1:04.85 | |
| 7 | 2 | Ioannis Karpouzlis | Greece | 1:04.90 | |
| 8 | 8 | Christian vom Lehn | Germany | 1:05.23 | |

## Final

| Rank | Lane | Name | Nationality | Time |
| | 4 | Nicholas Schafer | Australia | 1:01.38 |
| | 3 | Anton Lobanov | Russia | 1:01.44 |
| | 5 | Flavio Bizzarri | Italy | 1:02.22 |
| 4 | 2 | Panagiotis Samilidis | Greece | 1:03.08 |
| 5 | 6 | Ivan Capan | Croatia | 1:03.24 |
| 6 | 7 | Thomas Rabeisen | France | 1:03.62 |
| 7 | 1 | Imri Ganiel | Israel | 1:04.28 |
| 8 | 8 | Ximing Wang | China | 1:04.55 |