| Nation |  |
| First name | Karl |
| Last name | Stümpfl |
| Nickname | |
| Profession | |
| Born on | 00.00.0000 |
| Birthplace |
| Number of races as co-rider | 6 |
| Number of first places | 0 |
| Number of second places | 2 |
| Number of third places | 1 |
| Podiums in percent | 50% |
| Total points | 28 |
| Driven EM races | 0 |
| Driven DM races | 0 |
| Driven Bahnpokal | 0 |
| Date | City | Event | Lizenz | Place | Points |
|---|---|---|---|---|---|
| 01.09.1991 | Klein Krotzenburg | offenes Rennen | B-SW | 2 | 9 |
| 25.08.1991 | Dießen | offenes Rennen | B-SW | 2 | 7 |
| 04.08.1991 | Langnau Tettnang | offenes Rennen | B-SW | 4 | 0 |
| 23.06.1991 | Bräunlingen | offenes Rennen | B-SW | 7 | 2 |
| 16.06.1991 | Bad Hersfeld | offenes Rennen | B-SW | 8 | 1 |
| 02.06.1991 | Willing | offenes Rennen | B-Solo | 3 | 9 |