2012
| | American Le Mans Series - GT | | Position: 10 (13 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Team Falken Tire | | Car: Porsche 911 GT3 RSR |
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2011
| | American Le Mans Series - GT | | Position: 5 (97 points) | 9 races. 2 wins. 0 pole positions. 2 podiums. 0 fastest laps.
| | Team: Team Falken Tire | | Car: Porsche 997 GT3-RSR |
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| | | Le Mans Series - LM GTE Pro | | Position: 6 (27 points) | 5 races. 0 wins. 0 pole positions. 1 podium. ? fastest laps. | | Team: IMSA Performance Matmut | | Car: Porsche 997 GT3-RSR | | Complete results needed. |
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2010
| | American Le Mans Series - GT2 | | Position: 20 (28 points) | 8 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Team Falken Tire | | Car: Porsche 911 GT3 RSR |
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| | | Italian GT Championship - GT3 | | Position: 22 (16 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Autorlando Sport | | Car: Porsche 997 GT3 R |
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| | | FIA GT2 European Cup | | Position: 1 | 1 race. 1 win. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: BMS Scuderia Italia SPA | | Car: Porsche 911 GT3 RS (997) |
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| | | Le Mans 24 Hours | |
| Race position: 11. | | Team: Team Felbermayr-Proton | | Car: Porsche 997 GT3 RSR |
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| | | Le Mans Series - LMGT2 | | Position: 20 (9 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Team Felbermayr Proton | | Car: Porsche 997 GT3 RSR |
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2009
| | American Le Mans Series - GT2 | | Position: 3 (102 points) | 10 races. 0 wins. 1 pole position. 3 podiums. 0 fastest laps.
| | Team: Farnbacher Loles Racing | | Car: Porsche 911 GT3 RSR |
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| | | Grand American Rolex Series - GT | | Position: 21 (123 points) | 6 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Farnbacher Loles Racing | | Car: Porsche GT3 |
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| | | Asian Le Mans Series - LMGT2 | | Position: 4 (9 points) | 2 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Team Felbermayr-Proton | | Car: Porsche 911 GT3 RSR 997 |
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| | | VLN Endurance | | Position: 429 (13.21 points) | ? races. ? wins. ? pole positions. ? podiums. ? fastest laps. | | Car: 3 | | Complete results needed. |
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2008
| | American Le Mans Series - GT2 | | Position: 1 (188 points) | 11 races. 4 wins. 3 pole positions. 8 podiums. 0 fastest laps.
| | Team: Flying Lizard Motorsports | | Car: Porsche 911 GT3 RSR |
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| | | Italian GT Championship - GT2 | | Position: 22 (34 points) | 4 races. 2 wins. ? pole positions. 2 podiums. ? fastest laps. | | Team: Autorlando Sport | | Car: Porsche 997 | | Complete results needed. |
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| | | Grand American Rolex Series - GT | | Position: 71 (35 points) | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Farnbacher Loles | | Car: Porsche GT3 Cup |
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| | | FIA GT - GT2 | | Position: 28 (1.5 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: Prospeed Competition | | Car: Porsche 911 GT3 RS 997 | | Complete results needed. |
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2007
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2006
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| | | SCCA World Challenge - GT | | Position: no position | 1 race. 0 wins. 1 pole position. 0 podiums. 0 fastest laps.
| | Team: Farnbacher Loles | | Car: Porsche 911 GT3 Cup |
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2005
| | SCCA World Challenge - GT | | Position: 4 (210 points) | 11 races. 2 wins. 5 pole positions. 3 podiums. 4 fastest laps.
| | Car: Porsche 911 GT3 Cup |
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| | | American Le Mans Series - GT | | Position: 7 (84 points) | 7 races. 0 wins. 0 pole positions. 4 podiums. ? fastest laps. | | Car: Porsche 911 GT3 RSR | | Complete results needed. |
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| | | Grand-Am Cup GS | | Position: 109 (8 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Complete results needed. |
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2004
| | Porsche Supercup | | Position: 1 (220 points) | 12 races. 9 wins. 8 pole positions. 11 podiums. 10 fastest laps.
| | Team: Infineon-Team Farnbacher PZM | | Car: Porsche 911 GT3 Cup |
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| | | SCCA World Challenge - GT | | Position: 17 (67 points) | 2 races. 2 wins. 1 pole position. 2 podiums. 2 fastest laps.
| | Car: Porsche 911 GT3 Cup |
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2003
| | Porsche Supercup | | Position: 2 (156 points) | 12 races. 3 wins. 2 pole positions. 4 podiums. 0 fastest laps.
| | Car: Porsche 911 GT3 |
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2002
| | Porsche Michelin Supercup | | Position: 4 (121 points) | 11 races. 2 wins. 0 pole positions. 4 podiums. 1 fastest lap.
| | Car: Porsche 911 GT3 |
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| | | Porsche Carrera Cup Germany | | Position: 6 (95 points) | 9 races. 0 wins. 0 pole positions. 2 podiums. 0 fastest laps.
| | Car: Porsche 911 GT3 Cup 996 |
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2001
| | Porsche Pirelli Supercup | | Position: 4 (123 points) | 12 races. 0 wins. 0 pole positions. 2 podiums. ? fastest laps. | | Complete results needed. |
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| | | Porsche Carrera Cup Germany | | Position: no position | 4 races. 0 wins. 0 pole positions. 0 podiums. 1 fastest lap.
| | Car: Porsche 911 GT3 Cup 996 |
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| | | FIA GT NGT | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Jürgen Alzen Motorsport | | Car: Porsche 911 GT3 R |
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2000
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| | | Porsche Pirelli Supercup | | Position: 8 (78 points) | ? races. 0 wins. ? pole positions. 0 podiums. ? fastest laps. | | Complete results needed. |
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1999
| | Formula 3000 International | | Position: no position | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Car: Lola T99/50 - Zytek |
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1998
| | Formula 3 Germany | | Position: 3 (168 points) | 20 races. 2 wins. 1 pole position. 7 podiums. 3 fastest laps.
| | Team: Josef Kaufmann Racing | | Car: Martini MK73 (Opel Spiess) |
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1997
| | Formula 3 Germany | | Position: 4 (144 points) | 18 races. 2 wins. 2 pole positions. 8 podiums. 0 fastest laps.
| | Car: Martini MK73 (Opel Spiess) |
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1996
| | Formula 3 Germany | | Position: 11 (33 points) | 15 races. 0 wins. 0 pole positions. 1 podium. 1 fastest lap.
| | Team: Josef Kaufmann Racing | | Car: Dallara F395 (Opel) |
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1995
| | Formula 3 Germany | | Position: 14 (21 points) | 16 races. 0 wins. 0 pole positions. 1 podium. 1 fastest lap.
| | Car: Dallara F394 (Opel) |
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1994
| | Formula Opel Germany | | Position: 5 (70 points) | 7 races. 1 win. 0 pole positions. 3 podiums. 0 fastest laps.
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| | | Formula 3 Germany | | Position: no position | 4 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Car: Dallara F393 (Opel) |
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1993
| | Formula BMW Junior | | Position: 4 (102 points) | ? races. 2 wins. 1 pole position. 3 podiums. 0 fastest laps.
| | Complete results needed. |
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