Swimming at the 2015 Southeast Asian Games – Men's 100 metre breaststroke
# Swimming at the 2015 Southeast Asian Games – Men's 100 metre breaststroke

The men's 100 metre breaststroke competition of the swimming event at the 2015 Southeast Asian Games was held on 7 June at the OCBC Aquatic Centre in Kallang, Singapore.

## Records

Prior to this competition, the existing Asian and Games records were as follows:

| Asian record | Kitajima Kosuke (JPN) | 58.90 | Tokyo, Japan | 3 April 2012 |
| - | - | - | - | - |
| Games record | Nguyễn Hữu Việt (VIE) | 1:01.60 | Vientiane, Laos | 11 December 2009 |

## Schedule

All times are Singapore Standard Time (UTC+08:00)

| Date | Time | Event |
| - | - | - |
| Sunday, 7 June 2015 | 09:05 | Heat 1 |
| Sunday, 7 June 2015 | 09:06 | Heat 2 |
| Sunday, 7 June 2015 | 19:44 | Final |

## Results

| KEY: | q | Fastest non-qualifiers | Q | Qualified | GR | Games record | NR | National record | PB | Personal best | SB | Seasonal best |
| - | - | - | - | - | - | - | - | - | - | - | - | - |

### Heats

    Source: Heats results summary

The heats were held on 7 June.

**Heat 1**


    Source: Heat 1 results

Heat 1 was held on 7 June.

| Rank | Lane | Athletes | Time | Notes |
| - | - | - | - | - |
| 1 | 4 | Wong Fu Kang (MAS) | 1:03.32 | Q |
| 2 | 6 | Dennis Josua Tiwa (INA) | 1:04.28 | Q |
| 3 | 5 | Indra Gunawan (INA) | 1:04.74 | Q |
| 4 | 3 | Christopher Cheong Ee Hong (SIN) | 1:05.84 | Q |
| 5 | 2 | Hem Thonponloeu (CAM) | 1:13.27 | |

**Heat 2**


    Source: Heat 2 results

Heat 2 was held on 7 June.

| Rank | Lane | Athletes | Time | Notes |
| - | - | - | - | - |
| 1 | 3 | Khoo Chien Yin Lionel (SIN) | 1:02.87 | Q |
| 2 | 4 | Joshua Hall (PHI) | 1:03.34 | Q |
| 3 | 5 | Radomyos Matjiur (THA) | 1:04.08 | Q |
| 4 | 6 | Shaun Yap Kah Choon (MAS) | 1:04.60 | Q |
| 5 | 2 | Phan Gia Mẫn (VIE) | 1:09.28 | |

### Final

    Source: Final Results

The final was held on 7 June.

| Rank | Lane | Athletes | Time | Notes |
| - | - | - | - | - |
| | 5 | Wong Fu Kang (MAS) | 1:02.46 | NR |
| | 6 | Radomyos Matjiur (THA) | 1:02.63 | |
| | 3 | Joshua Hall (PHI) | 1:02.87 | |
| 4 | 4 | Khoo Chien Yin Lionel (SIN) | 1:03.40 | |
| 5 | 1 | Indra Gunawan (INA) | 1:03.54 | |
| 6 | 2 | Dennis Josua Tiwa (INA) | 1:03.78 | |
| 7 | 8 | Christopher Cheong Ee Hong (SIN) | 1:04.44 | |
| 8 | 7 | Shaun Yap Kah Choon (MAS) | 1:04.97 | |
