# 2010 Pan Pacific Swimming Championships – Men's 200 metre butterfly

The men's 200 metre butterfly competition at the 2010 Pan Pacific Swimming Championships took place on August 18 at the William Woollett Jr. Aquatics Center. The last champion was Michael Phelps of US. This was the first time in 3 years (since the 2007 World Aquatics Championships) that Phelps failed to beat a championship record in a final of international competition.
This race consisted of four lengths of the pool, all lengths being in butterfly stroke.

## Records

Prior to this competition, the existing world and Pan Pacific records were as follows:
| World record | Michael Phelps (USA) | 1:51.51 | Rome, Italy | July 29, 2009 |
| Pan Pacific Championships record | Michael Phelps (USA) | 1:53.80 | Victoria, Canada | August 17, 2006 |

## Results

All times are in minutes and seconds.
| KEY: | q | Fastest non-qualifiers | Q | Qualified | CR | Championships record | NR | National record | PB | Personal best | SB | Seasonal best |

### Heats

The first round was held on August 18, at 11:22.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 5 | Michael Phelps | United States | 1:55.23 | QA |
| 2 | 3 | 4 | Takeshi Matsuda | Japan | 1:55.47 | QA |
| 3 | 3 | 5 | Nick D'Arcy | Australia | 1:55.63 | QA |
| 4 | 3 | 7 | Tyler Clary | United States | 1:55.72 | QA |
| 5 | 1 | 6 | Wu Peng | China | 1:56.18 | QA |
| 6 | 2 | 4 | Kaio Almeida | Brazil | 1:56.74 | QA |
| 7 | 1 | 5 | Ryusuke Sakata | Japan | 1:56.85 | QA |
| 8 | 3 | 6 | Kazuya Kaneda | Japan | 1:57.14 | QB 3rd Japanese |
| 9 | 2 | 1 | Stefan Hirniak | Canada | 1:57.31 | QA |
| 10 | 1 | 3 | Leonardo de Deus | Brazil | 1:57.39 | QB |
| 11 | 2 | 3 | Chris Wright | Australia | 1:57.52 | QB |
| 12 | 2 | 2 | Mark Dylla | United States | 1:57.83 | QB |
| 13 | 1 | 7 | Yuya Horihata | Japan | 1:58.01 | QB |
| 14 | 1 | 4 | Sebastian Rousseau | South Africa | 1:58.04 | QB |
| 15 | 2 | 7 | Moss Burmester | New Zealand | 1:58.11 | QB |
| 16 | 1 | 2 | Thiago Pereira | Brazil | 1:58.27 | |
| 17 | 3 | 2 | Jayden Hadler | Australia | 1:58.87 | QB |
| 18 | 3 | 1 | Zack Chetrat | Canada | 2:00.66 | |
| 19 | 1 | 1 | Karl Wolk | Canada | 2:00.86 | |
| 20 | 3 | 3 | Lucas Salatta | Brazil | 2:01.31 | |
| - | 2 | 6 | Hsu Chi-Chieh | Chinese Taipei | DNS | |

### B Final

The B final was held on August 18, at 19:50.
| Rank | Lane | Name | Nationality | Time |
| 9 | 5 | Leonardo de Deus | Brazil | 1:56.86 |
| 10 | 1 | Jayden Hadler | Australia | 1:57.65 |
| 11 | 3 | Chris Wright | Australia | 1:57.96 |
| 12 | 4 | Kazuya Kaneda | Japan | 1:58.12 |
| 13 | 6 | Mark Dylla | United States | 1:58.23 |
| 14 | 2 | Sebastian Rousseau | South Africa | 1:58.52 |
| 15 | 7 | Moss Burmester | New Zealand | 1:58.62 |
| 16 | 8 | Zack Chetrat | Canada | 2:00.24 |

### A Final

The A final was held on August 18, at 19:50.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Michael Phelps | United States | 1:54.11 |
| | 3 | Nick D'Arcy | Australia | 1:54.73 |
| | 5 | Takeshi Matsuda | Japan | 1:54.81 |
| 4 | 2 | Wu Peng | China | 1:55.36 |
| 5 | 7 | Kaio Almeida | Brazil | 1:55.66 |
| 6 | 1 | Ryusuke Sakata | Japan | 1:56.04 |
| 7 | 6 | Tyler Clary | United States | 1:56.83 |
| 8 | 8 | Stefan Hirniak | Canada | 1:57.94 |