| Nation |  |
| First name | Stefan |
| Last name | Sonntag |
| Nickname | |
| Profession | |
| Born on | 00.00.0000 |
| Birthplace |
| Number of races as rider | 57 |
| Number of first places | 2 |
| Number of second places | 7 |
| Number of third places | 3 |
| Podiums in percent | 21.05% |
| Total points | 214 |
| Driven WM races | 0 |
| Driven EM races | 0 |
| Driven DM races | 1 |
| Driven Bahnpokal | 3 |
Performance from Stefan Sonntag compared to the following drivers
| Opponent | Pic | Country | Meetings |  |  | Won |
|---|---|---|---|---|---|---|
| Ewald Heim |  | | 0 | 20 | ||
| Bernd Söger | | | 1 | 16 | ||
| Karl Keil |  | | 0 | 16 | ||
| Fred Sauermann | | | 8 | 6 | ||
| Edgar Starke | | | 6 | 7 | ||
| Albert Raesfeld | | | 4 | 8 | ||
| Richard Suer | | | 4 | 8 | ||
| Jürgen Michel | | | 0 | 11 | ||
| Peter Albrecht | | | 5 | 5 | ||
| Roy French | |  | 6 | 4 | ||
| Harald Mößmer | | | 1 | 8 | ||
| Wilfried Grüne | | | 6 | 3 | ||
| Josef Onderka | | | 0 | 8 | ||
| Jan Rasmussen | |  | 2 | 6 | ||
| Heinz Brosch | | | 0 | 8 |
| Date | City | Event | Lizenz | Place | Points |
|---|---|---|---|---|---|
| 05.09.1993 | Berghaupten | Bahnpokal | B-SW | 4 | 12 |
| 04.08.1991 | Melsungen | offenes Rennen | A-SW | 6 | 3 |
| 04.08.1991 | Melsungen | Sonderlauf Heinrich-Rhode-Gedächtnislauf | A-SW | 4 | 0 |
| 16.06.1991 | Bad Hersfeld | offenes Rennen | A-SW | 6 | 3 |
| 09.05.1991 | Lüdinghausen | offenes Rennen | A-SW | 6 | 4 |
| 01.05.1991 | Lübbenau | offenes Rennen | A-SW | 4 | 0 |
| 28.04.1991 | Celle | offenes Rennen | A-SW | 6 | 5 |
| 16.09.1990 | Bad Hersfeld | offenes Rennen | A-SW | 10 | 0 |
| 26.08.1990 | Hechthausen | offenes Rennen | A-SW | 2 | 8 |
| 05.08.1990 | Melsungen | offenes Rennen | A-SW | 8 | 2 |
| 29.07.1990 | Rastede | offenes Rennen | A-SW | 12 | 2 |
| 01.07.1990 | Ronneburg | offenes Rennen | A-SW | 10 | 0 |
| 24.06.1990 | Haiger-Allendorf | offenes Rennen | A-SW | 9 | 4 |
| 17.06.1990 | Mulmshorn | offenes Rennen | A-SW | 7 | 5 |
| 10.06.1990 | Apen | offenes Rennen | A-SW | 7 | 1 |
| 01.05.1990 | Vechta | offenes Rennen | A-SW | 6 | 0 |
| 30.09.1989 | Vechta | offenes Rennen | A-SW | 4 | 3 |
| 24.09.1989 | Vilshofen | DM | A-SW | 11 | 1 |
| 03.09.1989 | Klein Krotzenburg | offenes Rennen | A-SW | 5 | 6 |
| 03.09.1989 | Klein Krotzenburg | Bahnpokal | B-SW | 12 | 0 |
| 06.08.1989 | Melsungen | offenes Rennen | A-SW | 6 | 5 |
| 06.08.1989 | Melsungen | Sonderlauf | A-SW | 4 | 0 |
| 09.07.1989 | Osnabrück | offenes Rennen | B-SW | 1 | 7 |
| 21.05.1989 | Mulmshorn | offenes Rennen | A-SW | 11 | 2 |
| 07.05.1989 | Holzwickede | offenes Rennen | A-SW | 5 | 7 |
| 07.05.1989 | Holzwickede | offenes Rennen | B-SW | 2 | 12 |
| 04.05.1989 | Jübek | offenes Rennen | A-SW | 3 | 8 |
| 01.05.1989 | Vechta | offenes Rennen | A-SW | 5 | 2 |
| 30.04.1989 | Celle | offenes Rennen | B-SW | 2 | 14 |
| 18.09.1988 | Bad Hersfeld | offenes Rennen | A-SW | 10 | 0 |
| 04.09.1988 | Klein Krotzenburg | offenes Rennen | A-SW | 7 | 2 |
| 07.08.1988 | Melsungen | offenes Rennen | A-SW | 7 | 2 |
| 07.08.1988 | Melsungen | Sonderlauf | A-SW | 5 | 0 |
| 10.07.1988 | Ronneburg | offenes Rennen | A-SW | 5 | 3 |
| 26.06.1988 | Haiger-Allendorf | offenes Rennen | A-SW | 7 | 3 |
| 12.05.1988 | Jübek | offenes Rennen | A-SW | 3 | 7 |
| 06.09.1987 | Jübek | offenes Rennen | B-SW | 1 | 11 |
| 06.09.1987 | Jübek | offenes Rennen | B-SW | 7 | 0 |
| 30.08.1987 | Steddorf-Sellhorn | offenes Rennen | B-SW | 6 | 2 |
| 02.08.1987 | Melsungen | offenes Rennen | B-SW | 2 | 6 |
| 28.06.1987 | Haiger-Allendorf | offenes Rennen | B-SW | 6 | 4 |
| 21.06.1987 | Bielefeld | offenes Rennen | B-SW | 4 | 4 |
| 24.05.1987 | Mulmshorn | offenes Rennen | B-SW | 7 | 2 |
| 17.05.1987 | Rastede | offenes Rennen | B-SW | 6 | 0 |
| 21.09.1986 | Haunstetten | Bahnpokal | B-SW | 12 | 0 |
| 03.08.1986 | Melsungen | offenes Rennen | B-SW | 8 | 2 |
| 27.07.1986 | Nidda | offenes Rennen | B-SW | 7 | 4 |
| 13.07.1986 | Jübek | offenes Rennen | B-SW | 2 | 9 |
| 22.06.1986 | Haiger-Allendorf | offenes Rennen | B-SW | 5 | 6 |
| 25.05.1986 | Hechthausen | offenes Rennen | B-SW | 2 | 8 |
| 18.05.1986 | Wallroth | offenes Rennen | B-SW | 9 | 5 |
| 27.04.1986 | Celle | offenes Rennen | B-SW | 3 | 4 |
| 20.04.1986 | Mulmshorn | offenes Rennen | B-SW | 8 | 1 |
| 08.04.1985 | Hof Birkenring | offenes Rennen | B-SW | 12 | 5 |
| 19.08.1984 | Schwarme | offenes Rennen | B-SW | 2 | 6 |
| 05.08.1984 | Melsungen | offenes Rennen | B-SW | 12 | 0 |
| 29.07.1984 | Nidda | offenes Rennen | B-SW | 8 | 2 |