| 2011 | Porsche Works Driver 1st 24h Nürburgring (overall classification) 5th 12h Sebring/American Le Mans Series (LMP1, overall classification) |
|---|---|
| 2010 | Porsche Works Driver Winner 24h Le Mans (overall classification) Award winner ADAC Racing Driver of the Year VLN Nürburgring (various races, 2 wins) |
| 2009 | Porsche Works Driver Porsche Factory Driver 1st 24h Nürburgring (overall classification) 4th GrandAm Series Championship (DP class, 4 podiums) 6th 24h Daytona (DP class, overall classification) 24h Le Mans (LMP1 class) |
| 2008 | Porsche Works Driver 1st American Le Mans Series Championship (LMP2 class, 4 wins including 2 overall wins) with Penske Racing 1st Position American Le Mans Series/12h Sebring (overall classification) 1st Position 24h Nürburgring (overall classification) |
| 2007 | Porsche Works Driver
1st Position American Le Mans Series Championship (LMP2 class, 8 wins including 6 overall wins and Petit Le Mans class victory) with Penske Racing 1st Position 24h Nürburgring (overall classification) |
| 2006 | Porsche Works Driver
3rd Position American Le Mans Series Championship (LMP2 class, 4 wins incl. Petit Le Mans and an overall win in Mid-Ohio) 1st Position 24h Nürburgring (overall classification) |
| 2005 | Porsche Works Driver
American Le Mans Series (ALMS) 2nd Position American Le Mans Series Championship (GT2 class, 5 wins) 2nd Position 24h Le Mans (GT2 class) |
| 2004 | Porsche Works Driver
American Le Mans Series (ALMS) 1st Position American Le Mans Series Driver and Team Classification (GT class) 1st Position American Le Mans Series/12h Sebring (GT class) 1st Position American Le Mans Series/Petit Le Mans, Road Atlanta (GT class) 4th Position 24h Spa (overall classification, 2nd Position N-GT class) 3rd Position 24h Nürburgring (overall classification) |
| 2003 | Porsche Works Driver
American Le Mans Series (ALMS) 2nd Position American Le Mans Series Championship (GT class) 1st Position American Le Mans Series/Petit Le Mans, Road Atlanta (GT class) Position 24h Daytona (overall classification) 3rd Position 24h Nürburgring (overall classification) |
| 2002 | Porsche Works Driver
American Le Mans Series (ALMS) 4th Position American Le Mans Series Championship (GT class) Porsche Michelin Supercup 3rd Position Porsche Michelin Supercup Championship 1st Position 24h Daytona (GT class) 1st Position 24h Le Mans (GT class) 2nd Position 24h Nürburgring (overall classification) |
| 2001 | UPS Porsche-Junior
Porsche Carrera Cup 1st Position Porsche Carrera Cup Championship Porsche Pirelli Supercup (4 races, 1 win) 2nd Position American Le Mans Series/12h Sebring (GT class) |
| 2000 | UPS Porsche-Junior,
Porsche Carrera Cup, 3rd Position Porsche Carrera Cup Championship |
| 1999 | Winner UPS Porsche-Junior driver selection,
Porsche Carrera Cup, 12th Position Porsche Carrera Cup Championship, 3rd Position German Formula Ford Championship |
| 1998 | 6th Position German Formula Ford Championship (2 wins),
6th Position Formula Ford Europacup |
| 1997 | 3rd Position German Kart Championship |
| 1996 | 6th Position German Kart Championship |
| 1995 | 1st Position German ONS Junior Kart Championship,
1st Position DMV Junior Kart Cup, 5th Position CIK/FIA Junior Kart World Championship |
| 1994 | 1st Position National DMV A-Junior Kart Championship |
| 1993 | 1st Position ADAC Baden A-Junior Kart Trophy |
| 1991/92 | ADAC Junior Kart Championships |
| 1991 | 1st Position ADAC Pfalz Junior Kart Slalom Championship |