[2] In October 2007, Kauffman purchased part ownership of Michael Waltrip Racing, a NASCAR Sprint Cup Series team.
[3] Kaufman also owns RK Motors, a car collection in Charlotte, North Carolina, where he resides;[4] he also competes in sports car racing events and has competed in the 2011 and 2012 24 Hours of Le Mans, the 2012 and 2013 24 Hours of Daytona, and in the Rolex Sports Car Series.
[5] In July 2015, SportsBusiness Daily reported that Kauffman was interested in purchasing a stake in Chip Ganassi Racing.
[6] It was verified the next day, when Kauffman confirmed that he was now a part of Ganassi's organization.
(key) (Races in bold indicate pole position, Results are overall/class)