1995-1997 Karting Mini Junioren
7th Dutch Championship

1998
National Cadet-Junior Class
3th Dutch Championship

1999 International Juniors
9th European Championship
4th Dutch Championship

2000 International Juniors
Winner Lonato Winter Cup
3th Dutch Championship
3th Monaco Kartcup

2001 International Formula A (P.D.B racing team)
European Champion with 3 victories, 5 podiums and 2 pole positions)Unofficial Dutch Champion
Winner 3rd and 6th round Belgian Championship.

2002 Formula Super A (Trulli Kart srl.)
RenaultF1 Driver Development Program
Vice Italian Champion (1 victory)
4th World Championship (Best Rookie)

2003 Formula A (Tony Kart Racing Team)
RenaultF1 Driver Development Program
Winner Andrea Margutti Trophy
6th European Championship (1 victory)
4th Italian Championship

2004 Formula Renault 2000 (Van Amersfoort Racing)
5th Dutch Championship (3 podiums, 3 pole positions, 3 fastest laps, trackrecord Zandvoort)

2005 Eurocup Formula Renault 2.0 (SG Formula)
4th Eurocup (6 podiums), Best Rookie
Champion team championship

2006 Eurocup Formula Renault 2.0 (SG Formula)
3rd Eurocup (1 victory, 2 pole positions)

2007 ATS Formula 3 Cup (Van Amersfoort Racing)
Champion (9 victories, 10 pole positions, 7 fastest laps, 16 podium finishes)

2008 Japanese Formula 3 Cup (TOM's Toyota)
Champion (9 victories, 10 poles, 6 fastest laps, 18 podium finishes)

2009 F3 Euroseries (Kolles & Heinz Union), Superleague Formula (PSV Eindhoven)

2010 Le Mans Series (Atlas FX)