Tandy began his motorsport career in 1996 with Short Oval Minitox race. In this sport, he remained active until 2000. Among other things, he was in 1998 Vice World Champion in this category. From 2001 to 2004 he was active in the Mini Se7en Championship.
2005 Tandy moved into formula racing and immediately won the BRDC Single - Seater Championship. He won 11 of 14 races. The next two years was Tandy active in the British Formula Ford. He denied the most races for his brother Joe Tandy Racing Team. In his first season he scored the second, the second in the season's third championship course. After the 2007 season, Tandy also took part in the Autumn Trophy Formula Palmer Audi. He was seventh with two wins.
2008 Tandy moved to the British Formula 3 Championship, where he started for his brother's team again. He was third twice and second once. At the end of the season he was on the ninth of the drivers' championship. In addition, he graduated from guest appearances at some Formula Ford events as well as the British Porsche Carrera Cup. In the British Porsche Carrera Cup he won his debut race. 2009 Tandy began the season in the British Formula 3 After he had scored in the season opener two podium finishes, followed on the third race weekend of his first Formula 3 victory. After the fourth race weekend Tandy got out of this championship. By season's end, he was tenth in the drivers' standings. Tandy then took off for six out of ten events in the Formula 3 Euro Series for Kolles & Heinz Union. This left Tandy with no points.
After Tandy had completed a total of three guest appearances for Konrad Motorsport, the German Porsche Carrera Cup and Porsche Supercup in 2009, he went in 2010 in this race series at the start. In the German Porsche Carrera Cup he won five of nine races and finished with 121 points to 142 runners behind Nicolas Armindo. Also in the Porsche Supercup he had title chances this season. Tandy decided for three races and finished the season with 146 points in second place overall. The champion René Rast had six points more on the account. 2011 remained at Tandy Konrad Motorsport. In the German Porsche Carrera Cup Tandy won three races and decided by 138 to 130 points, the championship before Sean Edwards for themselves. In the Porsche Supercup Tandy scored a race win. With a total of six podium finishes he completed this championship from fifth place. In addition, Tandy took part in four races of the British Porsche Carrera Cup. He won three. In addition, Tandy made his debut in the Grand-Am Sports Car Series and launched the 24-hour race at Le Mans 2011.
2012 started with a Tandy Porsche 911 GT3 R of contactor Motorsport in the ADAC GT Masters. Together with Christian Engelhart and Sean Edwards, who represented him in two race heats, it reached # 3 on the team standings. Tandy reached number 7 in the drivers' championship, although he did not participate in two heats, as he raced in other racing series. Thus, for example, was in the American Le Mans Series on the road and could win the title of Vice Champion in the International GT Open. His teammate in the Team Manthey Racing Porsche works driver Marco Holzer was. He was then awarded at year-end as the best Porsche private driver with the Porsche Cup.
In December 2012, it was announced that Tandy is included in the squad of the Porsche factory drivers from the 2013 season. His first official race is the 24 - hour race at Daytona.
Career as a team manager
From the 2012 season Tandy will also act as team manager Joe Tandy Racing. The team was founded by his died in 2009 in a car accident brother Joe Tandy.
- 2008: British Formula 3 ( 9th place)
- 2009: British Formula 3 ( 10th place )
- 2009: Formula 3 Euro Series ( No. 28 )
- 2010: Porsche Supercup (2nd place)
- 2010: German Porsche Carrera Cup (2nd place)
- 2011: Porsche Supercup ( 5th place)
- 2011: German Porsche Carrera Cup (Master)
- 2011: British Porsche Carrera Cup ( 14th)
- 2011: Grand-Am Sports Car Series GT ( place 57)
- 2012: ADAC GT Masters (7th )