| Nation |  |
| First name | Hielke |
| Last name | de Graaf |
| Nickname | |
| Profession | |
| Born on | 00.00.0000 |
| Birthplace |
| Number of races as rider | 14 |
| Number of first places | 1 |
| Number of second places | 0 |
| Number of third places | 1 |
| Podiums in percent | 14.29% |
| Total points | 146 |
| Driven WM races | 0 |
| Driven EM races | 13 |
| Driven DM races | 0 |
| Driven Bahnpokal | 0 |
Performance from Hielke de Graaf compared to the following drivers
| Opponent | Pic | Country | Meetings |  |  | Won |
|---|---|---|---|---|---|---|
| Tjalle Reitsma |  | | 1 | 6 | ||
| Bob Dolman |  |  | 2 | 4 | ||
| Clayton Williams |  | | 2 | 3 | ||
| Christian Ianotto | |  | 1 | 4 | ||
| Zdenek Schneiderwind |  |  | 3 | 2 | ||
| Hielke Dijkema | | | 2 | 2 | ||
| Allain Blondy | | | 1 | 3 | ||
| John Bostin | | | 0 | 4 | ||
| Tommy Lindgren | |  | 2 | 2 | ||
| Peter Lloyd | | | 4 | 0 | ||
| Vaclav Milik | | | 1 | 3 | ||
| Mike Beaumont | | | 1 | 2 | ||
| Harm Horstede | | | 0 | 3 | ||
| Olli Turkia |  |  | 3 | 0 | ||
| Milan Spinka |  | | 2 | 1 |
| Date | City | Event | Lizenz | Place | Points |
|---|---|---|---|---|---|
| 09.10.1993 | Vechta | offenes Rennen | A-Solo | 16 | 3 |
| 21.08.1993 | Eenrum | EM-Finale | A-Solo | 17 | 3 |
| 01.08.1993 | Celle | EM-Semifinale | A-Solo | 6 | 14 |
| 06.06.1993 | Joure | EM-Vorlauf | A-Solo | 4 | 18 |
| 05.06.1988 | La Reole | EM-Semifinale | A-Solo | 15 | 3 |
| 15.05.1988 | Tonbridge | EM-Vorlauf | A-Solo | 9 | 10 |
| 08.08.1987 | Uithuizen | EM-Semifinale | A-Solo | 14 | 4 |
| 03.05.1987 | Joure | EM-Vorlauf | A-Solo | 5 | 14 |
| 11.05.1986 | Joure | EM-Semifinale | A-Solo | 9 | 9 |
| 27.05.1985 | Stadskanaal | EM-Semifinale | A-Solo | 10 | 8 |
| 28.04.1985 | Joure | EM-Vorlauf | A-Solo | 5 | 17 |
| 19.08.1984 | Eenrum | EM-Finale | A-Solo | 18 | 0 |
| 11.06.1984 | Stadskanaal | EM-Semifinale | A-Solo | 3 | 19 |
| 30.04.1984 | Ermelo | EM-Vorlauf | A-Solo | 1 | 24 |