125cc Classification
| Pos | Rider | Manufacturer | Time/Retired | Points |
|---|---|---|---|---|
| 1 | Marco Melandri | Honda | 42:37.380 | 25 |
| 2 | Emilio Alzamora | Honda | +0.219 | 20 |
| 3 | Roberto Locatelli | Aprilia | +1.104 | 16 |
| 4 | Gino Borsoi | Aprilia | +7.437 | 13 |
| 5 | Mirko Giansanti | Aprilia | +26.706 | 11 |
| 6 | Simone Sanna | Honda | +31.421 | 10 |
| 7 | Gianluigi Scalvini | Aprilia | +32.023 | 9 |
| 8 | Ivan Goi | Honda | +42.968 | 8 |
| 9 | Pablo Nieto | Derbi | +47.164 | 7 |
| 10 | Randy de Puniet | Aprilia | +49.693 | 6 |
| 11 | Max Sabbatani | Honda | +53.118 | 5 |
| 12 | Frederic Petit | Aprilia | +53.329 | 4 |
| 13 | Robbin Harms | Aprilia | +57.343 | 3 |
| Ret | Steve Jenkner | Aprilia | Retirement | |
| Ret | Masao Azuma | Honda | Retirement | |
| Ret | Angel Nieto Jr | Honda | Retirement | |
| Ret | Jason di Salvo | Honda | Retirement | |
| Ret | Lucio Cecchinello | Honda | Retirement | |
| Ret | Reinhard Stolz | Honda | Retirement | |
| Ret | Manuel Poggiali | Derbi | Retirement | |
| Ret | Youichi Ui | Derbi | Retirement | |
| Ret | Jeronimo Vidal | Aprilia | Retirement | |
| Ret | Arnaud Vincent | Aprilia | Retirement | |
| Ret | Kazuto Sakata | Honda | Retirement | |
| Ret | Noboru Ueda | Honda | Retirement |
| Previous race: 1999 Brazilian Grand Prix |
FIM Grand Prix World Championship 1999 season |
Next race: 2000 South African Grand Prix |
| Previous race: 1998 Argentine Grand Prix |
Argentine Grand Prix | Next race: None |
Read more about this topic: 1999 Argentine Motorcycle Grand Prix