Education
He also finished 2nd in the GT class at the 24 Hours of Le Mans, driving for Skea Racing International.
He also finished 2nd in the GT class at the 24 Hours of Le Mans, driving for Skea Racing International.
Maassen began his career in karts, and moved to cars in 1989, in Formula Ford 1600. During the early 1990s, he raced in the German Formula 3 series. From 1995 to 1997, he raced touring cars for Nissan in the Super Tourenwagen Cup.
In 1998, Maassen moved to the FIA GT Championship, where he raced a Porsche 911 GT2 for Roock Racing, along with Bruno Eichmann.
In 1999, he competed in Porsche Supercup. 2000
In 2000, he joined Porsche as a factory driver.
His primary job was driving a Porsche GT3-R in the American Le Mans Series. He partnered with fellow factory driver Bob Wollek at Dick Barbour Racing.
Maassen also raced sparingly in Supercup, and raced in the 24 Hours Nürburgring, and one race in the Sports Racing World Cup.
2001
In 2001, Maassen was paired with Lucas Luhr at Alex Job Racing. Maassen also raced prototypes, at the 24 Hours of Daytona for Champion Racing, and for Dick Barbour Racing at Le Mans. 2002
Maassen started 2002 by finishing 4th at the 24 Hours of Daytona for Champion Racing.
Maassen and Luhr dominated the GT class of the ALMS, winning seven of ten races en route to the championship.
2004 & 2005
In 2004, Maassen acted mainly as a third driver for the longer endurance races, winning at Sebring and Petit Le Mans for Alex Job, and winning the GT class at Le Mans with Petersen Motorsports. 2005 saw him focus mainly on the development of the new Porsche RS Spyder, including racing in the car"s debut at Laguna Seca.
Maassen the partnered with Timo Bernhard for the remainder of the season, collecting two wins. 2007
Maassen continued driving for Penske in the ALMS
2008
Maassen continued driving for Penske in the ALMS, and competed in the 2008 edition of 24 hour Le Mans with Team Essex where he finished second in the LMP2 class together with John Nielsen and Casper Elgaard.
24 Hours of Le Mans results.