| Runda | Tor | Data | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|
| 1 |  Suzuka | 1998.04.05 | Aprilia |  UGT Bikes Pesaro | |
| 2 |  Johor | 1998.04.19 | Honda | GiVi Honda LCR | |
| 3 |  Jerez | 1998.05.03 | Aprilia | UGT Bikes Pesaro | |
| 4 |  Mugello | 1998.05.17 | Honda | Team UGT-3000 | |
| 5 |  Paul Ricard | 1998.05.31 | Aprilia | UGT Bikes Pesaro | |
| 6 |  Jarama | 1998.06.14 | Honda | GiVi Honda LCR | |
| 7 |  Assen | 1998.06.27 | Honda | Benetton Matteoni | |
| 8 |  Donington Park | 1998.07.05 | Aprilia | UGT Bikes Pesaro | |
| 9 |  Sachsenring | 1998.07.19 | Honda | Team UGT-3000 | |
| 10 |  Brno | 1998.08.23 | Honda | Benetton Matteoni | |
| 11 | Imola | 1998.09.06 | Honda | Team UGT-3000 | |
| 12 |  Catalunya | 1998.09.20 | Honda | Team UGT-3000 | |
| 13 |  Phillip Island | 1998.10.04 | Honda | Mac Motors Liégeois | |
| 14 |  Buenos Aires | 1998.10.25 | Honda | Team UGT-3000 |