# 2010 Pan Pacific Swimming Championships – Men's 50 metre butterfly

The men's 50 metre butterfly competition at the 2010 Pan Pacific Swimming Championships took place on August 18 at the William Woollett Jr. Aquatics Center. It was the first appearance of this event in the Pan Pacific Swimming Championships.

## Records

Prior to this competition, the existing world record was as follows:
| World record | Rafal Muñoz (ESP) | 22.43 | Málaga, Spain | April 5, 2009 |

## 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 10:07.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | 5 | Geoff Huegill | Australia | 23.27 | QA, CR |
| 2 | 4 | 4 | Roland Schoeman | South Africa | 23.41 | QA |
| 3 | 3 | 3 | César Cielo | Brazil | 23.48 | QA |
| 4 | 2 | 6 | Timothy Phillips | United States | 23.69 | QA |
| 5 | 2 | 5 | Mitchell Patterson | Australia | 23.80 | QA |
| 6 | 3 | 4 | Nicholas Santos | Brazil | 23.82 | QA |
| 7 | 2 | 3 | Masayuki Kishida | Japan | 23.85 | QA |
| 8 | 3 | 6 | Cullen Jones | United States | 23.87 | QA |
| 9 | 2 | 4 | Andrew Lauterstein | Australia | 23.90 | QB |
| 10 | 3 | 5 | Gláuber Silva | Brazil | 24.00 | QB |
| 11 | 4 | 2 | Ryan Pini | Papua New Guinea | 24.11 | QB |
| 12 | 3 | 2 | Tyler McGill | United States | 24.21 | QB |
| 13 | 4 | 7 | Chris Wright | Australia | 24.29 | QB |
| 14 | 3 | 1 | Joe Bartoch | Canada | 24.37 | QB |
| 15 | 4 | 3 | Ryo Takayasu | Japan | 24.38 | QB |
| 16 | 3 | 7 | Rammaru Harada | Japan | 24.44 | QB |
| 17 | 4 | 8 | Graeme Moore | South Africa | 24.46 | |
| 18 | 4 | 6 | Jeong Doo-Hee | South Korea | 24.60 | |
| 19 | 2 | 7 | Joaquin Belza | Argentina | 24.76 | |
| 20 | 2 | 8 | Park Minkyu | South Korea | 24.94 | |
| 21 | 1 | 6 | Robert Margalis | United States | 25.11 | |
| 22 | 4 | 1 | Daniel Coakley | Philippines | 25.32 | |
| 23 | 1 | 5 | Luke Peddie | Canada | 25:36 | |
| 24 | 2 | 2 | Carl O'Donnell | New Zealand | 25:39 | |
| 25 | 1 | 4 | Taki Mrabet | Tunisia | 25:49 | |
| 26 | 2 | 1 | Nicholas Tan | Singapore | 25:55 | |
| 27 | 1 | 7 | Timothy Ferris | Zimbabwe | 25:86 | |
| 28 | 3 | 8 | Yan Ho-Chun | Hong Kong | 25:92 | |
| 29 | 1 | 3 | Kong Chun-Yin | Hong Kong | 26:03 | |
| 30 | 1 | 2 | Paul Kornfeld | Canada | 26:39 | |

### B Final

The B final was held on August 18, at 18:19.
| Rank | Lane | Name | Nationality | Time |
| 9 | 5 | Gláuber Silva | Brazil | 23.64 |
| 10 | 3 | Ryan Pini | Papua New Guinea | 24.04 |
| 11 | 6 | Tyler McGill | United States | 24.09 |
| 12 | 4 | Andrew Lauterstein | Australia | 24.10 |
| 13 | 7 | Ryo Takayasu | Japan | 24.21 |
| 14 | 8 | Graeme Moore | South Africa | 24.31 |
| 15 | 2 | Joe Bartoch | Canada | 24.33 |
| 16 | 1 | Rammaru Harada | Japan | 24.49 |

### A Final

The A final was held on August 18, at 18:19.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 3 | César Cielo | Brazil | 23.03 | CR |
| | 7 | Nicholas Santos | Brazil | 23.33 | |
| | 5 | Roland Schoeman | South Africa | 23.39 | |
| 4 | 4 | Geoff Huegill | Australia | 23.42 | |
| 5 | 8 | Cullen Jones | United States | 23.50 | |
| 5 | 1 | Masayuki Kishida | Japan | 23.77 | |
| 7 | 6 | Timothy Phillips | United States | 23.92 | |
| 8 | 2 | Mitchell Patterson | Australia | 23.94 | |