His first experience in a kart at the age of 13 made Kraihamer years when he accompanied his father to a go-kart track and there tried a kart. Kraihamer began his motorsport career in 2004 in karting, where he was active until 2008. In 2007 he graduated from test drives in Formula BMW, but decided against a career in Formula racing. Instead, joined Kraihamer 2008 in the GT racing and drove in the FIA GT3 European Championship a Lamborghini Gallardo of S -Berg Racing. He had no points.
2009 saw Kraihamer in endurance racing and entered for Boutsen Energy Racing in the Formula Le Mans. Unlike the name suggests, it was not a Formula racing car series, but a racing category with Le Mans prototypes. He finished a race on the podium three times and drove the fastest lap. In the overall standings he was 13th in 2010 was the Formula Le Mans part of the Le Mans Series. Kraihamer launched for Boutsen Energy Racing continues. He finished two races on the podium and even set the fastest race lap. In the standings, he was fifth with his team-mate Nicolas de Crem. In addition Kraihamer took part in a race of the French Porsche Carrera Cups in part and completed in December test drives in Formula 2
2011 Boutsen Energy Racing moved into the LMP2 class of the Le Mans Series. Kraihamer was employed pilots. According to his own statements, he had " more time is required ", as it was only his third year in endurance racing. De Crem was again his teammate. His team used a Oreca 03 with a Nissan engine a. After the two had occupied the sixth place overall and fourth in the LMP2 class in the first race, de Crem / Kraihamer were the second race at Spa- Francorchamps second in the LMP2 category. Then received Kraihamer for this year's 24 - hour race at Le Mans in a cockpit Oreca 03- Nissan Team Oreca Matmut. His teammates were David Hallyday and Alexandre Prémat. Kraihamer drew attention to himself with stints fast and the fastest lap of LMP2 cars. By an accident of Hallyday, the race was ended prematurely, however. After de Crem / Kraihamer the third round of the Le Mans Series had fallen early, had de Crem leave the team for budgetary reasons. Thor - Christian Ebbesvik became the new team-mate Kraihamer. The two reached the fourth race at Silverstone in third place in the LMP2 standings. In the fifth and final race the pair dropped out. Kraihamer the car drove just before the race and drove with brake failure at the last minute on the second place in the LMP2 classification lying in the barriers. Kraihamer finally was on the fifth place in the LMP2 standings. In addition Kraihamer took 2011 in a BMW Z4 GT3 Team Engstler Motorsport on 24 -hour race of Dubai part.
Although Kraihamer during the 2011 season confirmed to want to start the next season is not directly in the LMP1 category, he signed for the 2012 season a contract with OAK Racing for the LMP1 class of the newly formed FIA World Endurance Championship ( WEC). A test at Sebring in LMP1 OAK Racing car changed his attitude to a premature change in the highest category of the LMP1 cars. During the tests, he managed to drive the lap of his teammates already on the second day of testing. On March 18, 2013 Lotus announced that Kraihamer has been committed and will go into the next season with Thomas Holzer in the LMP2 class at the start.
- 2004-2008: Karting
- 2008 FIA GT3 European Championship
- 2009: Formula Le Mans ( # 13 )
- 2010: Le Mans Series, FLM ( 5th place)
- 2010: French Porsche Carrera Cup
- 2011: Le Mans Series LMP2 ( 5th place)
- 2012: WEC, LMP1