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

The men's 400 metre individual medley competition at the 2006 Pan Pacific Swimming Championships took place on August 18 at the Saanich Commonwealth Place. The last champion was Michael Phelps of US.
This race consisted of eight lengths of the pool. The first two lengths were swum using the butterfly stroke, the second pair with the backstroke, the third pair of lengths in breaststroke, and the final two were freestyle.

## Records

Prior to this competition, the existing world and Pan Pacific records were as follows:
| World record | Michael Phelps (USA) | 4:08.26 | Athens, Greece | August 14, 2004 |
| Pan Pacific Championships record | Michael Phelps (USA) | 4:12.48 | Yokohama, Japan | August 25, 2002 |

## 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 10:58.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 4 | Michael Phelps | United States | 4:13.62 | QA |
| 2 | 1 | 4 | Robert Margalis | United States | 4:14.69 | QA |
| 3 | 2 | 4 | Erik Vendt | United States | 4:15.63 | QA |
| 4 | 3 | 5 | Eric Shanteau | United States | 4:15.71 | QA |
| 5 | 2 | 8 | Thiago Pereira | Brazil | 4:16.86 | QA |
| 6 | 3 | 2 | Leith Brodie | Australia | 4:21.65 | QA |
| 7 | 2 | 5 | Hidemasa Sano | Japan | 4:22.41 | QA |
| 8 | 1 | 5 | Shinya Taniguchi | Japan | 4:22.95 | QA |
| 9 | 2 | 2 | Lucas Salatta | Brazil | 4:23.46 | QB |
| 10 | 3 | 3 | Travis Nederpelt | Australia | 4:23.63 | QB |
| 11 | 3 | 6 | Jeremy Knowles | Bahamas | 4:26.17 | QB |
| 12 | 2 | 6 | Tobias Oriwol | Canada | 4:26.87 | QB |
| 13 | 1 | 2 | Jordan Hartney | Canada | 4:27.66 | QB |
| 14 | 2 | 3 | Dean Kent | New Zealand | 4:28.05 | QB |
| 15 | 1 | 6 | David Browne | Australia | 4:28.46 | QB |
| 16 | 1 | 7 | He Xiaofeng | China | 4:38.23 | QB |
| 17 | 3 | 8 | Benjamin Guzman | Chile | 4:39.90 | |
| 18 | 3 | 1 | Hsu Chi-Chien | Chinese Taipei | 4:41.01 | |
| 19 | 3 | 7 | Lin Yu-An | Chinese Taipei | 4:42.12 | |
| 20 | 2 | 7 | Tsai Kuo-Chuan | Chinese Taipei | 4:44.00 | |
| 21 | 1 | 1 | Bogdan Knezevic | Canada | 4:44.67 | |
| 22 | 2 | 1 | Matthew Pariselli | Canada | 4:45.13 | |
| - | 1 | 3 | Brian Johns | Canada | DSQ | |

### B Final

The B final was held on August 18, at 19:28.
| Rank | Lane | Name | Nationality | Time |
| 9 | 4 | Erik Vendt | United States | 4:16.72 |
| 10 | 6 | Dean Kent | New Zealand | 4:21.25 |
| 11 | 5 | Tobias Oriwol | Canada | 4:24.81 |
| 12 | 2 | David Browne | Australia | 4:26.14 |
| 13 | 3 | Jordan Hartney | Canada | 4:31.31 |
| 14 | 7 | He Xiaofeng | China | 4:36.07 |
| 15 | 1 | Benjamin Guzman | Chile | 4:42.58 |
| - | 8 | Hsu Chi-Chien | Chinese Taipei | DSQ |

### A Final

The A final was held on August 18, at 19:28.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Michael Phelps | United States | 4:10.47 | CR |
| | 5 | Robert Margalis | United States | 4:13.85 | |
| | 3 | Thiago Pereira | Brazil | 4:18.44 | |
| 4 | 1 | Travis Nederpelt | Australia | 4:20.07 | |
| 5 | 7 | Shinya Taniguchi | Japan | 4:20.32 | |
| 6 | 6 | Leith Brodie | Australia | 4:22.49 | |
| 7 | 8 | Jeremy Knowles | Bahamas | 4:28.07 | |
| - | 2 | Hidemasa Sano | Japan | DSQ | |