| Event Date Series | Remarks | |||
 |
||||
| 1998/3/28 Budweiser 500 CART FedEx CHAMPIONSHIP SERIES ROUND2 | 4 wheels | |
||
|
||||
|
||||
| Final | |
|
||
|
||||
| 1998/4/11-12 All Japan Road Race Championship Series Round 1 Motegi Superbike Race | 2 wheels | |
||
|
||||
|
||||
| GP125 | Qualifying Round 1 Gr.A | Qualifying Round 1 Gr.B | Qualifying Round 2 Gr.A | Qualifying Round 2 Gr.B | Overall Qualifying | Warm-up | Final | |
|
|
|
||||
| GP250 | Qualifying Round 1 Gr.A | Qualifying Round 1 Gr.B | Qualifying Round 2 Gr.A | Qualifying Round 2 Gr.B | Overall Qualifying | Warm-up | Final | |
|
|
|
||||
| SuperBike | Qualifying Round 1 | Qualifying Round 2 | Overall Qualifying | Warm-up | Final | |
|
|
|
||||
| 1998/5/9・10 All Japan Touring Car Championship Series Round 3 | 4 wheels | |
||
|
||||
|
||||
| Mirage | Group A Preliminary | Group B Preliminary | Overall Preliminary | Final | |
|
|
|
||||
| F4 | Qualifying | Final | |
|
|
|
||||
| JTCC | Qualifying Round 1 | Qualifying Round 2 | Overall Qualifying | Free Practice | Final | |
|
|
| 1998/6/13-14 All Japan Championship Formula Nippon Round 4 | 4 wheels | |
||
|
||||
|
||||
| CIVIC Inter Cup | Qualifying | Final | |
|
|
|
||||
| MGF Trophy Race | Qualifying | Final | |
|
|
|
||||
| F3 | Official Practice | Qualifying | Free Practice | Final | |
|
|
|
||||
| Formula Nippon | Official Practice | Special Stage | Overall Qualifying | Free Practice Final | |
|
|
|
||||
| 1998/8/21-22 Summer Endurance Carnival Motegi Open 7-Hour Endurance Race | 2 wheels | |
||
|
||||
|
||||
| 1st Rider | A Gr. Qualifying | B Gr. Qualifying | |
|
|
|
||||
| 2nd Rider | A Gr. Qualifying | B Gr. Qualifying | |
|
|
|
||||
| 3rd・Substitute Rider | A Gr. Qualifying | B Gr. Qualifying | Alternate Rider | |
|
|
|
||||
| Qualifying Results | Overall Qualifying Results Table | |
|
|
|
||||
| Intermediate Results Table | 1h | 2h | 3h | 4h | 5h | 6h | |
|
|
|
||||
| 7-Hour Endurance Race | Final | |
|
|
|
||||
| 1998/9/12-13 All Japan GT Championship Series Round 5 Motegi GT Champion Race | 4 wheels | |
||
|
||||
|
||||
| CIVIC | Qualifying | Final | |
|
|
|
||||
| Mirage | Qualifying | Final | |
|
|
|
||||
| FJ1600 | Qualifying | Final | |
|
|
|
||||
| GT | Qualifying Round 1 | Qualifying Round 2 | Overall Qualifying | Free Practice | (21 Laps) | (42 Laps) | Final | |
|
|
|
||||
| 1998/9/26-27 Super Taikyu Series Round 7 Mote tai (Mote endurance) Super N1 Endurance Race | 4 wheels | |
||
|
||||
|
||||
| F4 | Qualifying | Final | |
|
|
|
||||
| N1 Endurance | Qualifying Round 1 | Qualifying Round 2 | Overall Qualifying | (21 Laps) | (42 Laps) | (63 Laps) | (84 Laps) | Final | |
|
|
|
||||
| November 20-22, 1998 NASCAR THUNDER SPECIAL MOTEGI Coca-Cola 500 | 4 wheels | |
||
|
||||
|
||||
| NASCAR | 11/20 Practice1 | 11/21 Practice2 | Final Practice | Qualifying 1 Lap | Race | |
|
|
