# 2002 Pan Pacific Swimming Championships – Men's 100 metre freestyle

The men's 100 metre freestyle competition at the 2002 Pan Pacific Swimming Championships took place on August 27–28 at the Yokohama International Swimming Pool. The last champion was Michael Klim of Australia.
This race consisted of two lengths of the pool, both lengths being in freestyle.

## Records

Prior to this competition, the existing world and Pan Pacific records were as follows:
| World record | Pieter van den Hoogenband (NED) | 47.84 | Sydney, Australia | September 19, 2000 |
| Pan Pacific Championships record | Michael Klim (AUS) | 48.81 | Sydney, Australia | August 25, 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 27.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | 5 | Scott Tucker | United States | 49.01 | Q |
| 2 | 4 | 4 | Ian Thorpe | Australia | 49.59 | Q |
| 3 | 6 | 6 | Brent Hayden | Canada | 49.76 | Q |
| 4 | 6 | 3 | Todd Pearson | Australia | 49.88 | Q |
| 5 | 4 | 3 | Yannick Lupien | Canada | 50.17 | Q |
| 6 | 4 | 5 | Nate Dusing | United States | 50.24 | Q |
| 7 | 4 | 2 | Adam Pine | Australia | 50.37 | Q |
| 8 | 5 | 2 | Daisuke Hosokawa | Japan | 50.65 | Q |
| 9 | 4 | 6 | Thomas Hannan | United States | 50.72 | Q |
| 10 | 3 | 1 | Brett Hawke | Australia | 50.89 | Q |
| 11 | 4 | 8 | Riley Janes | Canada | 50.91 | Q |
| 12 | 5 | 5 | Ashley Callus | Australia | 50.93 | Q |
| 13 | 4 | 1 | Naoki Nagura | Japan | 50.94 | Q |
| 14 | 3 | 2 | André Cordeiro | Brazil | 50.98 | Q |
| 15 | 6 | 8 | Geoff Huegill | Australia | 51.03 | Q |
| 16 | 6 | 1 | Guilherme Roth | Brazil | 51.05 | Q |
| 17 | 3 | 5 | Renato Gueraldi | Brazil | 51.07 | |
| 18 | 5 | 1 | Yoshihiro Okumura | Japan | 51.12 | |
| 18 | 6 | 7 | Leon Dunne | Australia | 51.12 | |
| 20 | 5 | 3 | Randall Bal | United States | 51.19 | |
| 21 | 2 | 3 | Nicholas Santos | Brazil | 51.21 | |
| 22 | 5 | 4 | Jason Lezak | United States | 51.23 | |
| 23 | 5 | 7 | Issei Nakanishi | Japan | 51.35 | |
| 24 | 3 | 4 | Jason Cram | Australia | 51.38 | |
| 24 | 5 | 6 | Hiroaki Akebe | Japan | 51.38 | |
| 26 | 4 | 7 | Richard Bera | Indonesia | 51.45 | |
| 27 | 3 | 8 | Mark Herring | New Zealand | 51.96 | |
| 28 | 3 | 7 | Rafael Mosca | Brazil | 52.09 | |
| 29 | 2 | 6 | Tan Lee Yu Gary | Singapore | 52.46 | |
| 30 | 2 | 5 | Carl Probert | Fiji | 52.49 | |
| 31 | 5 | 8 | Ravil Nachaev | Uzbekistan | 53.01 | |
| 32 | 3 | 6 | Jun Mark Chay Jung | Singapore | 53.14 | |
| 33 | 2 | 2 | Kenneth Kin Lun Doo | Hong Kong | 53.18 | |
| 34 | 2 | 4 | Alexandre Pereira | Brazil | 53.94 | |
| 35 | 2 | 1 | Wing Harbeth Fu | Hong Kong | 54.13 | |
| 36 | 1 | 4 | Kwok Kei Wong | Hong Kong | 55.63 | |
| 37 | 1 | 5 | Dean Palacios | Northern Mariana Islands | 57.01 | |
| 38 | 1 | 3 | Kin Duenas | Guam | 58.80 | |
| - | 2 | 7 | Craig Stevens | Australia | DNS | |
| - | 3 | 3 | Mark Johnston | Canada | DNS | |
| - | 6 | 2 | Richard Say | Canada | DNS | |
| - | 6 | 4 | Anthony Ervin | United States | DNS | |

### Semifinals

The semifinals were held on August 27.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Scott Tucker | United States | 49.20 | Q |
| 2 | 1 | 4 | Ian Thorpe | Australia | 49.24 | Q |
| 3 | 2 | 7 | Ashley Callus | Australia | 49.61 | Q |
| 4 | 2 | 5 | Brent Hayden | Canada | 49.70 | Q |
| 5 | 1 | 5 | Todd Pearson | Australia | 49.95 | Q |
| 6 | 2 | 3 | Yannick Lupien | Canada | 50.08 | Q |
| 7 | 1 | 3 | Nate Dusing | United States | 50.28 | Q |
| 8 | 2 | 6 | Daisuke Hosokawa | Japan | 50.45 | Q |
| 9 | 1 | 2 | Riley Janes | Canada | 50.63 | |
| 10 | 1 | 6 | Thomas Hannan | United States | 50.64 | |
| 11 | 1 | 8 | Yoshihiro Okumura | Japan | 50.92 | |
| 12 | 1 | 1 | Guilherme Roth | Brazil | 51.00 | |
| 13 | 2 | 1 | André Cordeiro | Brazil | 51.02 | |
| 14 | 2 | 8 | Renato Gueraldi | Brazil | 51.27 | |
| 15 | 2 | 2 | Brett Hawke | Australia | 51.73 | |
| - | 1 | 7 | Naoki Nagura | Japan | DSQ | |

### Final

The final was held on August 28.
| Rank | Lane | Name | Nationality | Time |
| | 5 | Ian Thorpe | Australia | 48.84 |
| | 3 | Ashley Callus | Australia | 49.26 |
| | 7 | Nate Dusing | United States | 49.47 |
| 4 | 6 | Brent Hayden | Canada | 49.53 |
| 5 | 4 | Scott Tucker | United States | 49.56 |
| 6 | 2 | Yannick Lupien | Canada | 49.99 |
| 7 | 1 | Daisuke Hosokawa | Japan | 50.71 |
| 8 | 8 | Yoshihiro Okumura | Japan | 50.73 |