| Nation |  |
| First name | Roy |
| Last name | Klaassens |
| Nickname | |
| Profession | |
| Born on | 00.00.0000 |
| Birthplace |
| Number of races as rider | 35 |
| Number of first places | 2 |
| Number of second places | 2 |
| Number of third places | 1 |
| Podiums in percent | 14.29% |
| Total points | 237 |
| Driven WM races | 2 |
| Driven EM races | 4 |
| Driven DM races | 0 |
| Driven Bahnpokal | 0 |
Performance from Roy Klaassens compared to the following drivers
| Opponent | Pic | Country | Meetings |  |  | Won |
|---|---|---|---|---|---|---|
| Mark Stiekema |  | | 0 | 20 | ||
| Dennis Noordmann |  | | 14 | 4 | ||
| Henry van der Steen |  | | 5 | 13 | ||
| Erik Eijbergen |  | | 2 | 15 | ||
| Sjoerd Rozenberg |  | | 1 | 16 | ||
| Dirk Fabriek |  | | 0 | 16 | ||
| Pascal Swart |  | | 8 | 8 | ||
| Jeffrey Woortman |  | | 4 | 10 | ||
| Christian Hülshorst |  |  | 2 | 11 | ||
| Jannick de Jong |  | | 0 | 12 | ||
| Berry de Vos | | | 7 | 3 | ||
| Bernd Diener |  | | 0 | 9 | ||
| Jörg Tebbe |  | | 0 | 9 | ||
| Mitch Godden |  |  | 2 | 6 | ||
| Maikel van der Helm | | | 6 | 2 |
| Date | City | Event | Lizenz | Place | Points |
|---|---|---|---|---|---|
| 26.09.2010 | Roden | offenes Rennen | A-Solo | 10 | 2 |
| 04.09.2010 | Uithuizen | offenes Rennen | A-Solo | 6 | 0 |
| 25.07.2010 | Alsfeld-Angenrod | offenes Rennen | A-Solo | 5 | 2 |
| 18.07.2010 | Truro | EM-Semifinale | A-Solo | 10 | 10 |
| 20.06.2010 | Harsewinkel | ADAC Goldhelm | A-Solo | 13 | 0 |
| 19.06.2010 | Opende | offenes Rennen | A-Solo | 19 | 0 |
| 29.05.2010 | Artigues de Lussac | WM Quali 1 | A-Solo | 12 | 7 |
| 24.05.2010 | Stadskanaal | offenes Rennen | A-Solo | 10 | 8 |
| 22.05.2010 | Joure | offenes Rennen | A-Solo | 9 | 9 |
| 05.04.2010 | Balkbrug | offenes Rennen | B-Solo | 5 | 8 |
| 28.03.2010 | Vries | offenes Rennen | A-Solo | 14 | 1 |
| 20.09.2009 | Roden | offenes Rennen | A-Solo | 8 | 4 |
| 29.08.2009 | Bad Hersfeld | offenes Rennen | A-Solo | 11 | 0 |
| 22.08.2009 | Siddeburen | offenes Rennen | A-Solo | 8 | 6 |
| 07.08.2009 | Staphorst | offenes Rennen | A-Solo | 13 | 5 |
| 05.07.2009 | Noordwolde | offenes Rennen | A-Solo | 10 | 5 |
| 07.06.2009 | Bielefeld | WM Quali 2 | A-Solo | 8 | 13 |
| 24.05.2009 | Plattling | offenes Rennen | A-Solo | 11 | 1 |
| 16.05.2009 | Joure | offenes Rennen | A-Solo | 8 | 10 |
| 19.04.2009 | Roden | EM-Semifinale | A-Solo | 8 | 9 |
| 05.04.2009 | Vries | offenes Rennen | A-Solo | 7 | 6 |
| 06.09.2008 | Uithuizen | offenes Rennen | A-Solo | 10 | 10 |
| 30.08.2008 | Siddeburen | offenes Rennen | A-Solo | 2 | 15 |
| 24.08.2008 | Bielefeld | offenes Rennen | A-Solo | 3 | 14 |
| 17.08.2008 | Eenrum | offenes Rennen | A-Solo | 8 | 10 |
| 10.08.2008 | Rastede | offenes Rennen | B-Solo | 2 | 16 |
| 01.08.2008 | Staphorst | offenes Rennen | A-Solo | 11 | 6 |
| 27.07.2008 | Schwarme | offenes Rennen | B-Solo | 1 | 20 |
| 06.07.2008 | Noordwolde | EM-Semifinale | A-Solo | 15 | 7 |
| 14.06.2008 | Loppersum | offenes Rennen | A-Solo | 6 | 5 |
| 20.04.2008 | Roden | offenes Rennen | A-Solo | 11 | 3 |
| 12.04.2008 | Balkbrug | offenes Rennen | A-Solo | 15 | 1 |
| 04.08.2007 | Werlte | offenes Rennen | B-Solo | 1 | 15 |
| 29.07.2007 | Schwarme | offenes Rennen | B-Solo | 9 | 5 |
| 07.07.2007 | La Reole | EM-Semifinale | A-Solo | 11 | 4 |