| # | Rider | Age | Bike | Team |
|---|---|---|---|---|
| 1 |  Carl FOGARTY | 34 |  Ducati 996 | Ducati Performance |
| 4 |  Akira YANAGAWA | 27 |  Kawasaki ZX-7RR | Kawasaki Racing Team |
| 5 |  Colin EDWARDS | 25 | Honda RC45 | Castrol Honda |
| 6 |  Gregorio LAVILLA | 25 | Kawasaki ZX-7RR | Kawasaki Racing Team |
| 7 |  Pierfrancesco CHILI | 35 | Suzuki GSX-R750 | Alstare Corona Suzuki |
| 9 |  Peter GODDARD | 35 | Aprilia RSV1000 | Aprilia Racing |
| 11 | Troy CORSER | 27 | Ducati 996 | Ducati Performance |
| 15 |  Igor JERMAN | 23 | Kawasaki ZX-7RR | Kawasaki Bertocchi |
| 16 |  Andreas MEKLAU | 32 | Ducati 996 | Ducati Deutschland Team Remus |
| 18 |  Carlos MACIAS | 31 | Ducati 916 | Capill France Racing |
| 19 | Lucio PEDERCINI | 26 | Ducati 916 | Team Pedercini |
| 21 | Katsuaki FUJIWARA | 24 | Suzuki GSX-R750 | Alstare Corona Suzuki |
| 22 | Vittoriano GUARESCHI | 28 | Yamaha YZF R7 | Yamaha World Superbike Team |
| 23 |  Jiří MRKÝVKA | 25 | Ducati 916 | JM Superbike Team |
| 24 |  Vladimír KARBAN | 31 | Suzuki GSX-R750 | Karban Racing Team Slovakia |
| 26 |  Jean-Pierre JEANDAT | 29 | Honda RC45 | White Endurance Team |
| 27 | Frédéric PROTAT | 32 | Ducati 996 | FP Racing |
| 33 | Robert ULM | 28 | Kawasaki ZX-7RR | Kawasaki Bertocchi Gerin |
| 38 |  Lance ISAACS | 21 | Ducati 996 | Ducati NCR Vodacom |
| 39 | Alessandro GRAMIGNI | 30 | Yamaha YZF R7 | Team Valli Moto |
| 40 | Giuliano SARTONI | 34 | Ducati 996 | Ducati NCR |
| 41 | Noriyuki HAGA | 24 | Yamaha YZF R7 | Yamaha World Superbike Team |
| 55 | Mauro LUCCHIARI | 31 | Yamaha YZF R7 | Gattolone Racing Team |
| 89 | Mike SMITH | 33 | Honda RC45 | White Endurance Team |
| 90 | Ben BOSTROM | 25 | Ducati 996 | Vance & Hines Ducati |
| 91 | Eric BOSTROM | 22 | Honda RC45 | American Honda |
| 92 | Jamie HACKING | 28 | Yamaha YZF R7 | Yamaha Motor Corporation |
| 95 | Anthony GOBERT | 24 | Ducati 996 | Vance & Hines Ducati |
| 111 |  Aaron SLIGHT | 33 | Honda RC45 | Castrol Honda |
1999-07-09 to 1999-07-11
World Superbike United States Round
Laguna Seca (Permanent circuit, 3.6100 km)
Attendance: 69,000 (3-day)
Event permit: IMN 102/8
Timekeepers: Federazione Italiana Cronometristi
Entries: 29 / Practised: 24 / Qualified: 24
Sessions
Entry list
Struck out text denotes riders on entry list who did not participate.
Sources:
Official results/ Official entry list/ Official timetable/ Official attendance figures/ 1999-07-11 live TV coverage/ Cycle News 1999-07-07 pg6-15, 26-31/ FIM press release 1999-07-06/ Yamaha WSBK press release 1999-07-11/ amasuperbike.com/ superbike.it/ troycorser.com