2015: Audi Sport TT Cup, Audi TT Cup - 2 races;
2013: 24h Nürburgring - SP2T, Schirra-motoring, MINI JCW;
Volkswagen Scirocco R Cup Germany, Volkswagen Scirocco - 1 race;
2012: 24h Barcelona - A2, Schirra-Motoring, Mini JCW - 5th;
2011: 24h Nürburgring - SP3T, Alpecin Schirra motoring, Mini Cooper - 4th;
2010: Volkswagen Scirocco R Cup Germany, Volkswagen Scirocco - 3 races;
2009: Mini Challenge Germany, Schirra Motoring, Mini Cooper - 18th, 8 races;
VLN Endurance - 6 races,
2008: Procar BMW M1 Revival, BMW M1 - 2 races;
2000: Porsche Carrera Cup Germany, Grohs Motorsport, Porsche 911 GT3 Cup 996 - 1 race;
1998: 24h Le Mans - GT2, CJ Motorsport, Porsche 911 GT2;
1997: Porsche Supercup, Manthey Racing, Porsche 993 Carrera Cup - 7th, 9 races, 2 podiums;
Porsche Carrera Cup Germany - 4th, 1 win, 3 podiums;
1996: Porsche Supercup - 8th;
Porsche Carrera Cup Germany - 3rd, 4 wins;
1995: Deutsche Tourenwagen Cup, Isert, BMW 318is - 19th, 9 races;
Porsche Supercup;
Porsche Carrera Cup Germany - 1st, 6 races, 2 wins, 6 podiums;
Global GT Championship, Obermaier Racing, Porsche 911 Carrera 2 - 1 race;
1994: ADAC GT Cup class 1, Wehmeier &Castrup, Porsche Carrera RSR - 4th, 8 races, 3 podiums;
Porsche Carrera Cup Germany, Obermaier Racing, Porsche Carrera - 2nd, 9 races, 3 wins, 6 podiums;
1993: ADAC GT Cup class 1, Wehmeier &Castrup, Porsche Carrera RSR - 5th, 8 races, 1 podium;
Porsche Supercup, Obermaier Racing, Porsche Carrera - 7th, 9 races;
Porsche Carrera Cup Germany, Obermaier Racing, Porsche Carrera - 6th, 1 win;
24h Le Mans - GT, Paduwa Racing, Porsche 911 Carrera 2;
24h of Spa-Francorchamps, Team Paduwa, Porsche Carrera 2 - 2nd;
1992: Porsche Carrera Cup Germany - 9th;
1991: Porsche Carrera Cup Germany - 9th;
1990: DTM, Valier Motorsport, BMW M3 Sport Evolution - 31st, 9 races;
World Sports-Prototype Championship, Obermaier Racing, Porsche 962C - 9 races;
24h Le Mans - C1, Obermaier Racing, Porsche 962C;
Interserie Div. 1, Obermaier Racing, Porsche 962C - 15th, 2 races, 1 podium;
IMSA Camel GTP Championship, Alucraft, Porsche 962 - 31st, 1 race;
1989: DTM, Valier Motorsport, BMW M3 - 22nd, 12 races;
World Sports-Prototype Championship, Nova Engineering/Obermaier Racing, Porsche 962C - 55th, 1 race;
24h Le Mans - C1, Brun Motorsport, Porsche 962C;
All Japan Sports Prototype Car Endurance Championship, From A Racing, Porsche 962C - 10th, 5 races, 1 win, 2 podiums;
Porsche 944 Turbo Cup - 1 race;
SAT 1 Supercup, Peter Stürtz, Stürtz SMC (BMW) - 3 races;
1988: DTM, Valier Motorsport, BMW M3 - 10th, 21 races, 4 podiums;
European Touring Car Championship, Schnitzer/BMW Motorsport &Wolf Racing, BMW M3 Evo &Ford Sierra RS500 Cosworth - 2 races;
Fuji Long Distance Series LD-1, Leyton House Racing Team, Porsche 962CK6 - 2nd, 2 races, 1 win, 2 podiums;
All Japan Sports Prototype Car Endurance Championship, Leyton House Racing, Porsche 962 CK6 - 13th, 2 races, 2 podiums;
World Sports-Prototype Championship, Porsche Kremer Racing &Joest Racing, Porsche 962C - 3 races;
1987: DTM, Vogelsang Valier Motorsport, BMW M3 - 5th, 10 races, 2 wins, 4 podiums;
FIA World Touring Car Championship, Team Vogelsang Valier, BMW M3 - 1 race;
European Touring Car Championship, Team Vogelsang Valier, BMW M3 - 2 races;
Porsche 944 Turbo Cup, Obermaier Racing, Porsche 944 Turbo - 4th, 8 races, 5 podiums;
World Sports-Prototype Championship, Dauer Racing &Joest Racing, Porsche 962C - 54th, 2 races;
1986: DTM, HWRT, Ford Sierra XR4Ti &BMW 635 CSi - 33rd, 5 races;
Porsche 944 Turbo Cup, Obermaier Racing, Porsche 944 Turbo - 3rd, 7 races, 1 win, 4 podiums;
World Sports-Prototype Championship, Obermaier Racing &Joest Racing, Porsche 956 - 26th, 2 races;
IMSA Camel GTP Championship, Leon Brothers Racing, March 85G (Porsche) - 1 race;
1985: DTM, Obermaier Racing, BMW 635 CSi - 3rd, 11 races, 1 win, 3 podiums;
FIA World Endurance Championship, Vogelsang Automobile, BMW M1 - 2 races;
IMSA Camel GTP Championship, Henn's Swap Shop, Porsche 935L - 1 race;
1984: DTM, Vogelsang Valier Motorsport, BMW 635 CSi - 3rd, 12 races, 4 wins, 6 podiums;
FIA World Endurance Championship, Obermaier Racing, Porsche 956 - 15th, 5 races, 1 podium;
DRM (German Racing Championship) - 14th;
Interserie, Procar Automobile AG, Sehcar C830 (Porsche) - 1 race,
1983: DRM (German Racing Championship), Fritz Wagner &Brun Motorsport, BMW M1 &Wagner 002C (BMW) &Sehcar (Ford) - 6th, 3 races, 1 podium;
European Endurance Championship, Jürgen Kannacher &Kremer Racing, URD C81 (BMW) &URD C82 (BMW) &Porsche 956 - 22nd, 2 races;
Norisring Trophäe, Brun Motorsport, Porsche 956 - 1 race;
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