Clauson began his motorsport career in 2004 in Midget car racing. In 2007 he moved initially in the touring car and walked up to six races in the ARCA Racing Series. He won a race and finished the season at the 32nd place overall. He also gave his debut in 2007 in the NASCAR Busch Series. For Chip Ganassi Racing, he competed in a Dodge to five races and was 76th in the driver standings. In 2008 he stayed with Chip Ganassi Racing in the meantime renamed Nationwide Series championship. He completed 21 races and started again from the pole position. With a fifth place as best result, he finished the season 27th overall. In addition, Clauson 2008 again took part in Midget racing. 2009 and 2010, he took up only at these races. He won the 2010 league title USAC National Drivers Championship.
As a bonus for his title win Clauson received $ 300,000 support to participate in the 2011 season in the Indy Lights race at the Oval. In his Formula racing debut he started for Sam Schmidt Motorsports. He finished his first season with a third place as best result in twelfth place. In addition, Clauson continue approached to Midget race and defended the USAC National Drivers Championship.
2012 Clauson took first for Sarah Fisher Hartman Racing to test drive IndyCar Series part. His USAC title premium from the previous season he put in this year for a start at the Indianapolis 500. In the race, he left early. Then he was given the opportunity to participate in two races at the Indy Lights Fan Force United. He both finished in tenth place. He also continued to take part in Midget racing. It was in 2012 for the third time overall winner of the USAC National Drivers Championship.
- 2004-2006: Midget
- 2007: ARCA Racing Series (No. 32)
- 2007 NASCAR Busch Series (No. 76)
- 2008: NASCAR Nationwide Series ( No. 27 )
- 2008-2012: Midget
- 2011: Indy Lights ( 12th place)
- 2012: IndyCar Series ( No. 33 )
- 2012: Indy Lights ( 18th place)