Duncan's race career in photos, spanning three continents and dozens of meetings - share the highs and lows here.
Photos from the 2014 and 2015 seasons, during which Duncan was chosen as a Bentley factory driver and also became brand ambassador for the Harwoods Group.
Photos from Duncan's 2013 season in sports car racing.
2012 sees a new adventure for Duncan - endurance racing with ART Grand Prix and McLaren in the Blancpain Endurance Series.
Photos from Duncan's return to action in the Superleague Formula Nations Cup.
Duncan began his 2010 season by successfully defending his title in the David Brabham Celebrity Karting Challenge, then went on to compete in Superleague and Auto GP.
Photos from Duncan\'s forays into Superleague, Formula Master and Indy Lights, plus his winter test in Formula Two.
Duncan\'s main efforts during 2008 lay in Superleague and World Series by Renault, but he also found time to race in the Le Mans Series and the Porsche Carrera Cup, and to represent his country in A1GP.
Photos from Duncan\'s Formula Renault UK championship-winning campaign, and other 2007 activities.
Duncan\'s debut year in Formula Renault UK, and his test with Fortec.
Photos from Duncan\'s Formula Ford Festival victory and some earlier karting shots.