1999 Pan Pacific Swimming Championships – Men's 4 × 100 metre medley relay
The men's 4 × 100 metre medley relay competition at the 1999 Pan Pacific Swimming Championships took place on August 29 at the Sydney International Aquatic Centre. The last champion was the United States.
Records
Prior to this competition, the existing world and Pan Pacific records were as follows:| World record | Jeff Rouse Jeremy Linn Mark Henderson Gary Hall, Jr. | 3:34.84 | Atlanta, United States | July 26, 1996 |
| Pan Pacific Championships record | Lenny Krayzelburg Kurt Grote Nate Dusing Neil Walker | 3:36.93 | Fukuoka, Japan | August 13, 1997 |
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
Heats weren't performed, as only six teams had entered.Final
The final was held on August 29.| Rank | Name | Nationality | Time | Notes |
| Lenny Krayzelburg Kurt Grote Dod Wales Neil Walker | 3:36.37 | CR | ||
| Mark Versfeld Morgan Knabe Mike Mintenko Yannick Lupien | 3:40.18 | |||
| Atsushi Nishikori Ryosuke Imai Takashi Yamamoto Shunsuke Ito | 3:40.21 | |||
| 4 | Simon Thirsk Terence Parkin Theo Verster Nicholas Folker | 3:45.39 | ||
| 5 | Scott Talbot-Cameron Steven Ferguson Nicholas Sheeran Brad Herring | 3:49.78 | ||
| - | Matt Welsh Simon Cowley Geoff Huegill Michael Klim | DSQ |