# 2006 Pan Pacific Swimming Championships – Men's 400 metre freestyle

The men's 400 metre freestyle competition at the 2006 Pan Pacific Swimming Championships took place on August 19 at the Saanich Commonwealth Place. The last champion was Ian Thorpe of Australia.
This race consisted of eight lengths of the pool, with all eight being in the freestyle stroke.

## Records

Prior to this competition, the existing world and Pan Pacific records were as follows:
| World record | Ian Thorpe (AUS) | 3:40.08 | Manchester, Great Britain | July 30, 2002 |
| Pan Pacific Championships record | Ian Thorpe (AUS) | 3:41.83 | Sydney, Australia | August 22, 1999 |

## 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 19, at 10:21.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | 5 | Park Tae-Hwan | South Korea | 3:50.41 | QA |
| 2 | 5 | 7 | Robert Margalis | United States | 3:50.75 | QA |
| 3 | 5 | 4 | Klete Keller | United States | 3:50.92 | QA |
| 4 | 5 | 3 | Andrew Hurd | Canada | 3:51.20 | QA |
| 5 | 5 | 2 | Erik Vendt | United States | 3:51.56 | QA |
| 6 | 4 | 4 | Peter Vanderkaay | United States | 3:51.94 | QA |
| 7 | 3 | 2 | Ryan Lochte | United States | 3:52.33 | QA |
| 8 | 4 | 5 | Zhang Lin | China | 3:52.49 | QA |
| 9 | 4 | 6 | Ryan Cochrane | Canada | 3:52.63 | QB |
| 10 | 3 | 4 | Takeshi Matsuda | Japan | 3:52.80 | QB |
| 11 | 3 | 5 | Michael Klueh | United States | 3:52.88 | QB |
| 12 | 3 | 6 | Troyden Prinsloo | South Africa | 3:54.10 | QB |
| 13 | 4 | 3 | Fran Crippen | United States | 3:54.46 | QB |
| 14 | 2 | 4 | Kang Yong-Hwan | South Korea | 3:54.60 | QB |
| 15 | 3 | 8 | Joshua Krogh | Australia | 3:54.93 | QB |
| 16 | 4 | 8 | Felipe May Araújo | Brazil | 3:55.10 | QB |
| 17 | 2 | 5 | Armando Negreiros | Brazil | 3:55.24 | |
| 18 | 4 | 1 | Kenichi Doki | Japan | 3:56.02 | |
| 19 | 5 | 6 | Hisato Matsumoto | Japan | 3:56.15 | |
| 20 | 4 | 2 | Xin Tong | China | 3:56.21 | |
| 21 | 3 | 3 | Nicholas Ffrost | Australia | 3:56.77 | |
| 22 | 2 | 3 | Raymond Betuzzi | Canada | 3:58.24 | |
| 23 | 2 | 2 | Bryn Murphy | New Zealand | 3:58.58 | |
| 24 | 3 | 1 | Yuji Sakurai | Japan | 3:59.74 | |
| 25 | 3 | 7 | Robert Voss | New Zealand | 3:59.80 | |
| 26 | 5 | 8 | Ty Hurst | Australia | 4:00.19 | |
| 27 | 2 | 6 | Tang Sheng-Chieh | Chinese Taipei | 4:01.04 | |
| 28 | 5 | 1 | Cameron Smith | Australia | 4:02.76 | |
| 29 | 2 | 8 | Michael Jack | New Zealand | 4:03.19 | |
| 30 | 4 | 7 | Kurtis MacGillivary | Australia | 4:07.01 | |
| 31 | 2 | 1 | Pascal Wollach | Canada | 4:07.22 | |
| 32 | 1 | 4 | Matthew Pariselli | Canada | 4:07.81 | |
| 33 | 1 | 5 | Benjamin Guzman | Chile | 4:09.24 | |
| 34 | 1 | 3 | Bogdan Knezevic | Canada | 4:11.98 | |
| 35 | 2 | 7 | Pan Kevin-Owen | Chinese Taipei | 4:12.67 | |

### B Final

The B final was held on August 19, at 18:18.
| Rank | Lane | Name | Nationality | Time |
| 9 | 4 | Peter Vanderkaay | United States | 3:49.42 |
| 10 | 6 | Armando Negreiros | Brazil | 3:53.82 |
| 11 | 7 | Hisato Matsumoto | Japan | 3:54.70 |
| 12 | 5 | Joshua Krogh | Australia | 3:55.16 |
| 13 | 1 | Xin Tong | China | 3:55.27 |
| 14 | 2 | Kenichi Doki | Japan | 3:55.81 |
| 15 | 8 | Nicholas Ffrost | Australia | 3:55.94 |
| 16 | 3 | Felipe May Araújo | Brazil | 3:58.70 |

### A Final

The A final was held on August 19, at 18:18.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Park Tae-Hwan | South Korea | 3:45.72 |
| | 2 | Zhang Lin | China | 3:47.07 |
| | 3 | Klete Keller | United States | 3:47.17 |
| 4 | 6 | Andrew Hurd | Canada | 3:49.32 |
| 5 | 5 | Robert Margalis | United States | 3:49.67 |
| 6 | 1 | Takeshi Matsuda | Japan | 3:50.96 |
| 7 | 7 | Ryan Cochrane | Canada | 3:53.70 |
| 8 | 8 | Kang Yong-Hwan | South Korea | 3:54.05 |