Swimming at the 1988 Summer Olympics – Men's 100 metre breaststroke
# Swimming at the 1988 Summer Olympics – Men's 100 metre breaststroke

The men's 100 metre breaststroke event at the 1988 Summer Olympics took place between 18–19 September at the Jamsil Indoor Swimming Pool in Seoul, South Korea.

## Records

Prior to this competition, the existing world and Olympic records were as follows.

| World record | Steve Lundquist (USA) | 1:01.65 | Los Angeles, United States | 29 July 1984 |
| - | - | - | - | - |
| Olympic record | Steve Lundquist (USA) | 1:01.65 | Los Angeles, United States | 29 July 1984 |

## Results

### Heats

Rule: The eight fastest swimmers advance to final A (Q), while the next eight to final B (q).

| Rank | Heat | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| 1 | 8 | Adrian Moorhouse | Great Britain | 1:02.19 | Q, NR |
| 2 | 6 | Victor Davis | Canada | 1:02.48 | Q |
| 3 | 8 | Dmitry Volkov | Soviet Union | 1:02.49 | Q |
| 4 | 8 | Károly Güttler | Hungary | 1:02.80 | Q |
| 5 | 7 | Gianni Minervini | Italy | 1:02.86 | Q |
| 6 | 8 | Christian Poswiat | East Germany | 1:02.99 | Q |
| 7 | 7 | Richard Schroeder | United States | 1:03.05 | Q |
| 8 | 7 | Ronald Dekker | Netherlands | 1:03.08 | QSO |
| 8 | 7 | Tamás Debnár | Hungary | 1:03.08 | QSO |
| 10 | 6 | Aleksey Matveyev | Soviet Union | 1:03.25 | q |
| 11 | 6 | Alexander Mayer | West Germany | 1:03.54 | q |
| 12 | 8 | Mark Warnecke | West Germany | 1:03.56 | q |
| 13 | 8 | Petri Suominen | Finland | 1:03.58 | q |
| 14 | 7 | Hironobu Nagahata | Japan | 1:04.02 | q |
| 15 | 6 | Daniel Watters | United States | 1:04.04 | q |
| 16 | 6 | Chen Jianhong | China | 1:04.09 | q |
| 17 | 6 | James Parrack | Great Britain | 1:04.23 | |
| 18 | 5 | Kenji Watanabe | Japan | 1:04.35 | |
| 19 | 7 | Pablo Restrepo | Colombia | 1:04.43 | |
| 20 | 7 | Raik Hannemann | East Germany | 1:04.46 | |
| 21 | 5 | Pierre-Yves Eberle | Switzerland | 1:04.53 | |
| 22 | 5 | Ian McAdam | Australia | 1:04.56 | |
| 22 | 5 | David Leblanc | France | 1:04.56 | |
| 24 | 4 | Tsai Hsin-yen | Chinese Taipei | 1:04.58 | |
| 25 | 4 | Radek Beinhauer | Czechoslovakia | 1:04.61 | |
| 26 | 3 | Yoon Joo-il | South Korea | 1:04.68 | |
| 27 | 7 | Étienne Dagon | Switzerland | 1:04.71 | |
| 28 | 6 | Alexander Marček | Czechoslovakia | 1:04.95 | |
| 29 | 8 | Thomas Böhm | Austria | 1:04.96 | |
| 30 | 5 | Jin Fu | China | 1:05.02 | |
| 31 | 8 | Cameron Grant | Canada | 1:05.10 | |
| 32 | 4 | Joaquín Fernández | Spain | 1:05.19 | |
| 33 | 3 | Sidney Appelboom | Belgium | 1:05.21 | |
| 34 | 4 | Gary O'Toole | Ireland | 1:05.34 | |
| 35 | 3 | Javier Careaga | Mexico | 1:05.37 | |
| 36 | 5 | Cédric Penicaud | France | 1:05.46 | |
| 37 | 5 | Cícero Tortelli | Brazil | 1:05.50 | |
| 38 | 6 | Jan-Erick Olsen | Norway | 1:05.54 | |
| 39 | 4 | Anthony Beks | New Zealand | 1:05.65 | |
| 40 | 2 | Alexandre Yokochi | Portugal | 1:05.68 | |
| 41 | 2 | Ng Yue Meng | Singapore | 1:05.87 | |
| 42 | 5 | Eyal Stigman | Israel | 1:05.92 | |
| 43 | 4 | Sergio López Miró | Spain | 1:06.08 | |
| 44 | 3 | Wirmandi Sugriat | Indonesia | 1:06.22 | |
| 45 | 3 | Luc van de Vondel | Belgium | 1:06.24 | |
| 46 | 4 | Richard Lockhart | New Zealand | 1:06.27 | |
| 47 | 4 | Nikolaos Fokianos | Greece | 1:06.30 | |
| 48 | 2 | Lars Sørensen | Denmark | 1:06.48 | |
| 49 | 3 | Manuel Gutiérrez | Panama | 1:06.73 | |
| 50 | 3 | Patrick Concepcion | Philippines | 1:06.74 | |
| 51 | 2 | Arnþór Ragnarsson | Iceland | 1:07.93 | |
| 52 | 2 | Watt Kam Sing | Hong Kong | 1:08.03 | |
| 53 | 3 | Victor Ruberry | Bermuda | 1:09.49 | |
| 54 | 2 | Quách Hoài Nam | Vietnam | 1:10.90 | |
| 55 | 2 | Kraig Singleton | Virgin Islands | 1:11.68 | |
| 56 | 1 | Michele Piva | San Marino | 1:13.94 | |
| 57 | 1 | Amine El-Domyati | Lebanon | 1:14.40 | |
| 58 | 2 | Bazlur Mohamed Rahman | Bangladesh | 1:14.97 | |
| 59 | 1 | Gaspar Fragata | Angola | 1:16.18 | |
| 60 | 1 | Obaid Al-Rumaithi | United Arab Emirates | 1:17.01 | |
| 61 | 1 | Vivaldo Fernandes | Angola | 1:17.98 | |
| | 1 | Trevor Ncala | Swaziland | DNS | |

**Swimoff**

| Rank | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| 1 | 4 | Ronald Dekker | Netherlands | 1:02.63 | Q, WD* |
| 2 | 5 | Tamás Debnár | Hungary | 1:03.68 | Q |

* Opted to swim for the consolation final instead.

### Finals

**Final B**

| Rank | Lane | Name | Nationality | Time |
| - | - | - | - | - |
| 9 | 5 | Aleksey Matveyev | Soviet Union | 1:03.01 |
| 10 | 4 | Ronald Dekker | Netherlands | 1:03.22 |
| 11 | 6 | Mark Warnecke | West Germany | 1:03.40 |
| 12 | 3 | Alexander Mayer | West Germany | 1:03.85 |
| 13 | 7 | Hironobu Nagahata | Japan | 1:03.89 |
| 14 | 2 | Petri Suominen | Finland | 1:04.04 |
| 15 | 1 | Daniel Watters | United States | 1:04.17 |
| 16 | 8 | Chen Jianhong | China | 1:04.72 |

**Final A**

| Rank | Lane | Name | Nationality | Time | Notes |
| - | - | - | - | - | - |
| | 4 | Adrian Moorhouse | Great Britain | 1:02.04 | NR |
| | 6 | Károly Güttler | Hungary | 1:02.05 | |
| | 3 | Dmitry Volkov | Soviet Union | 1:02.20 | |
| 4 | 5 | Victor Davis | Canada | 1:02.38 | |
| 5 | 8 | Tamás Debnár | Hungary | 1:02.50 | |
| 6 | 1 | Richard Schroeder | United States | 1:02.55 | |
| 7 | 2 | Gianni Minervini | Italy | 1:02.93 | |
| 8 | 7 | Christian Poswiat | East Germany | 1:03.43 | |
