2010 Pan Pacific Swimming Championships – Men's 400 metre individual medley
The men's 400 metre individual medley competition at the 2010 Pan Pacific Swimming Championships took place on August 19 at the William Woollett Jr. Aquatics Center. 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 | 4:03.84 | Beijing, China | August 10, 2008 | |
| Pan Pacific Championships record | 4:10.47 | Victoria, Canada | August 18, 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 19, at 11:14.As only two members of each nation can enter Final A, Michael Phelps, despite finishing with the fourth fastest time, was the third fastest American, therefore could not compete in Final A. He did not participate in Final B either.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 1 | 4 | Ryan Lochte | 4:08.77 | QA, CR | |
| 2 | 1 | 5 | Tyler Clary | 4:09.20 | QA | |
| 3 | 2 | 4 | Thiago Pereira | 4:15.35 | QA | |
| 4 | 3 | 4 | Michael Phelps | 4:15.38 | ||
| 5 | 2 | 5 | Yuya Horihata | 4:16.44 | QA | |
| 6 | 2 | 3 | Brian Johns | 4:16.50 | QA | |
| 7 | 1 | 3 | Robert Margalis | 4:17.16 | QB 4th American | |
| 8 | 3 | 2 | Ken Takakuwa | 4:17.40 | QA | |
| 9 | 1 | 6 | Andrew Gemmell | 4:17.75 | QB 5th American | |
| 10 | 3 | 6 | Kosuke Hagino | 4:19.02 | QB 3rd Japanese | |
| 11 | 3 | 1 | Andrew Ford | 4:21.22 | QA | |
| 12 | 2 | 2 | Jordan Hartney | 4:21.31 | QB 3rd Canadian | |
| 13 | 1 | 2 | Jayden Hadler | 4:23.25 | QA | |
| 14 | 1 | 7 | Taki Mrabet | 4:26.10 | QB | |
| 15 | 3 | 7 | Diogo Yabe | 4:27.22 | QB | |
| 16 | 2 | 7 | Sebastian Rousseau | 4:29.07 | QB | |
| 17 | 3 | 3 | Kim Mingyu | 4:29.27 | ||
| 18 | 2 | 1 | Esteban Enderica | 4:31.20 | QB | |
| - | 3 | 5 | Oussama Mellouli | DNS | ||
| - | 2 | 6 | Thomas Fraser-Holmes | DSQ |
B Final
The B final was held on August 19, at 19:18.| Rank | Lane | Name | Nationality | Time | Notes |
| 9 | 4 | Robert Margalis | 4:17.28 | ||
| 10 | 3 | Jordan Hartney | 4:19.04 | ||
| 11 | 8 | Andrew Gemmell | 4:19.69 | ||
| 12 | 5 | Kosuke Hagino | 4:21.95 | ||
| 13 | 6 | Taki Mrabet | 4:24.47 | ||
| 14 | 7 | Kim Mingyu | 4:26.00 | ||
| 15 | 2 | Diogo Yabe | 4:28.47 | ||
| 16 | 1 | Esteban Enderica | 4:32.28 |
A Final
The A final was held on August 19, at 19:18.| Rank | Lane | Name | Nationality | Time | Notes |
| 4 | Ryan Lochte | 4:07.59 | CR | ||
| 5 | Tyler Clary | 4:09.55 | |||
| 3 | Thiago Pereira | 4:12.09 | |||
| 4 | 6 | Yuya Horihata | 4:15.93 | ||
| 5 | 2 | Brian Johns | 4:16.21 | ||
| 6 | 7 | Ken Takakuwa | 4:17.47 | ||
| 7 | 1 | Andrew Ford | 4:21.66 | ||
| 8 | 8 | Jayden Hadler | 4:23.72 |