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

The men's 50 metre freestyle competition at the 2010 Pan Pacific Swimming Championships took place on August 21 at the William Woollett Jr. Aquatics Center. The last champion was Cullen Jones of US.
This race consisted of one length of the pool in freestyle.

## Records

Prior to this competition, the existing world and Pan Pacific records were as follows:
| World record | César Cielo Filho (BRA) | 20.91 | São Paulo, Brazil | December 18, 2009 |
| Pan Pacific Championships record | Cullen Jones (USA) | 21.84 | Victoria, Canada | August 20, 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 21, at 10:39.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 7 | 4 | César Cielo | Brazil | 21.64 | QA, CR |
| 2 | 7 | 5 | Nathan Adrian | United States | 21.85 | QA |
| 3 | 5 | 7 | Brent Hayden | Canada | 22.04 | QA |
| 4 | 6 | 3 | Gideon Louw | South Africa | 22.14 | QA |
| 5 | 6 | 6 | Cullen Jones | United States | 22.15 | QA |
| 6 | 7 | 3 | Bruno Fratus | Brazil | 22.16 | QA |
| 7 | 5 | 4 | Ashley Callus | Australia | 22.18 | QA |
| 8 | 6 | 8 | Jason Lezak | United States | 22.27 | WD |
| 9 | 6 | 5 | Garrett Weber-Gale | United States | 22.29 | QB |
| 10 | 5 | 2 | Cameron Prosser | Australia | 22.36 | QA |
| 11 | 5 | 6 | Masayuki Kishida | Japan | 22.41 | QB |
| 12 | 7 | 6 | Eamon Sullivan | Australia | 22.43 | QB |
| 13 | 7 | 2 | Kyle Richardson | Australia | 22.44 | |
| 14 | 5 | 3 | Lyndon Ferns | South Africa | 22.55 | QB |
| 15 | 4 | 5 | Graeme Moore | South Africa | 22.56 | QB |
| 15 | 6 | 2 | George Bovell | Trinidad and Tobago | 22.56 | QB |
| 15 | 7 | 8 | Rammaru Harada | Japan | 22.56 | QB |
| 18 | 5 | 8 | Tyler McGill | United States | 22.66 | |
| 19 | 5 | 5 | Nicholas Santos | Brazil | 22.73 | QB |
| 19 | 6 | 7 | Makoto Ito | Japan | 22.73 | |
| 21 | 6 | 4 | Roland Schoeman | South Africa | 22.74 | |
| 22 | 4 | 6 | James Magnussen | Australia | 22.75 | |
| 23 | 7 | 1 | Minkyu Park | South Korea | 23.01 | |
| 24 | 4 | 3 | Luke Peddie | Canada | 23.02 | |
| 25 | 7 | 7 | Fernando Silva | Brazil | 23.08 | |
| 26 | 3 | 8 | Kenrick Monk | Australia | 23.09 | |
| 27 | 2 | 5 | Colin Russell | Canada | 23.16 | |
| 28 | 4 | 4 | Brett Fraser | Cayman Islands | 23.20 | |
| 29 | 1 | 4 | Nicholas Ffrost | Australia | 23.24 | |
| 29 | 3 | 5 | Mitchell Patterson | Australia | 23.24 | |
| 31 | 3 | 3 | Richard Hortness | Canada | 23.30 | |
| 32 | 1 | 5 | Timothy Phillips | United States | 23.31 | |
| 33 | 5 | 1 | Federico Grabich | Argentina | 23.33 | |
| 34 | 3 | 4 | Joaquin Belza | Argentina | 23.34 | |
| 35 | 3 | 7 | Carl O'Donnell | New Zealand | 23.37 | |
| 36 | 6 | 1 | Daniel Coakley | Philippines | 23.42 | |
| 37 | 3 | 1 | Shaune Fraser | Cayman Islands | 23.57 | |
| 38 | 3 | 2 | Masafumi Yamaguchi | Japan | 23.63 | |
| 39 | 2 | 3 | Hassaan Khalik | Canada | 23.69 | |
| 40 | 4 | 1 | Gláuber Silva | Brazil | 23.70 | |
| 41 | 2 | 2 | Jeong Doo-Hee | South Korea | 23.75 | |
| 41 | 4 | 2 | Park Seon-Kwan | South Korea | 23.75 | |
| 43 | 2 | 4 | Ben Treffers | Australia | 23.79 | |
| 44 | 3 | 6 | Rodrigo Castro | Brazil | 23.82 | |
| 45 | 2 | 7 | Blake Worsley | Canada | 23.88 | |
| 46 | 4 | 8 | Ryan Pini | Papua New Guinea | 23.90 | |
| 47 | 2 | 6 | Chun Yin Kong | Hong Kong | 24.07 | |
| 48 | 4 | 7 | Ho Chun Yan | Hong Kong | 24.08 | |
| 49 | 1 | 3 | Timothy Ferris | Zimbabwe | 24.43 | |

### B Final

The B final was held on August 21, at 19:03.
| Rank | Lane | Name | Nationality | Time |
| 9 | 4 | Garrett Weber-Gale | United States | 22.24 |
| 10 | 5 | Masayuki Kishida | Japan | 22.43 |
| 11 | 3 | Eamon Sullivan | Australia | 22.50 |
| 12 | 2 | Rammaru Harada | Japan | 22.53 |
| 13 | 8 | Nicholas Santos | Brazil | 22.55 |
| 14 | 1 | Graeme Moore | South Africa | 22.56 |
| 15 | 7 | George Bovell | Trinidad and Tobago | 22.68 |
| 16 | 6 | Lyndon Ferns | South Africa | 22.82 |

### A Final

The A final was held on August 21, at 19:03.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 5 | Nathan Adrian | United States | 21.55 | CR |
| | 4 | César Cielo | Brazil | 21.57 | |
| | 3 | Brent Hayden | Canada | 21.89 | |
| 4 | 7 | Bruno Fratus | Brazil | 21.93 | |
| 5 | 6 | Gideon Louw | South Africa | 22.08 | |
| 6 | 2 | Cullen Jones | United States | 22.10 | |
| 7 | 1 | Ashley Callus | Australia | 22.15 | |
| 8 | 8 | Cameron Prosser | Australia | 22.41 | |