WORLDSBK · PERSON
Jeffry de Vries
Observed competition record
Selected class and era; incomplete source coverage, separate from source-reported infobox totals.
- Known Starts
- 32
- Observed Podiums
- 0
- Participation Seasons
- 2
Results · 34 observations
Cleared source observations for the selected class. Per-round tables supply explicit timing, grids, laps and race points where available. Season matrices fill remaining races. Replaced matrices are retained as evidence, with genuine conflicts withheld. Combined classifications and interim standings remain separate; no missing field is reconstructed. Full coverage and certification remain incomplete.
| Season / class | Position | Rider or record | Event / race | Machine | Laps | Time / status | Grid | Points | Source |
|---|---|---|---|---|---|---|---|---|---|
| 1992 · WorldSBK | 16 | Jeffry de Vries | 1992 Assen WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | — | Jeffry de Vries Rit | 1992 Assen WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 14 | Jeffry de Vries | 1992 Phillip Island Grand Prix Circuit WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 13 | Jeffry de Vries | 1992 Phillip Island Grand Prix Circuit WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | — | Jeffry de Vries Rit | 1992 Manfeild WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | — | Jeffry de Vries NP | 1992 Manfeild WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 17 | Jeffry de Vries | 1992 Albacete WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | — | Jeffry de Vries Rit | 1992 Albacete WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 14 | Jeffry de Vries | 1992 Donington Park WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 19 | Jeffry de Vries | 1992 Donington Park WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | — | Jeffry de Vries Rit | 1992 Hockenheimring WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 19 | Jeffry de Vries | 1992 Hockenheimring WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 11 | Jeffry de Vries | 1992 Spa-Francorchamps WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 14 | Jeffry de Vries | 1992 Spa-Francorchamps WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 15 | Jeffry de Vries | 1992 Jarama WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | — | Jeffry de Vries Rit | 1992 Jarama WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 13 | Jeffry de Vries | 1992 A1-Ring WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 12 | Jeffry de Vries | 1992 A1-Ring WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 14 | Jeffry de Vries | 1992 Mugello WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 10 | Jeffry de Vries | 1992 Mugello WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | — | Jeffry de Vries Rit | 1992 Johor Circuit WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 15 | Jeffry de Vries | 1992 Johor Circuit WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | 22 | Jeffry de Vries | 1992 Sugo WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1992 · WorldSBK | — | Jeffry de Vries Rit | 1992 Sugo WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 148700696 | |
| 1989 · WorldSBK | 24 | Jeffry de Vries | 1989 Donington Park WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 151800616 | |
| 1989 · WorldSBK | 17 | Jeffry de Vries | 1989 Donington Park WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 151800616 | |
| 1989 · WorldSBK | — | Jeffry de Vries Rit | 1989 Hungaroring WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 151800616 | |
| 1989 · WorldSBK | 21 | Jeffry de Vries | 1989 Hungaroring WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 151800616 | |
| 1989 · WorldSBK | 24 | Jeffry de Vries | 1989 A1-Ring WorldSBK weekendRace1 | Yamaha | Not reported | Not reported | Not reported | Revision 151800616 | |
| 1989 · WorldSBK | 23 | Jeffry de Vries | 1989 A1-Ring WorldSBK weekendRace2 | Yamaha | Not reported | Not reported | Not reported | Revision 151800616 |
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