Duncan's race career in photos, spanning three continents and dozens of meetings - share the highs and lows here.
Duncan showed fantastic pace in Italy for the final round of the AutoGP series, qualifying on the front row and wrapping up third in the championship.
In international motorsport\'s first visit to the new Navarra circuit in Spain, Duncan qualified and raced strongly, taking sole possession of third in the championship.
Duncan moved to joint third in the Auto GP title hunt with a successful weekend in France that saw him take a second and a fourth place.
In June Duncan travelled to Spa-Francorchamps, where qualifying difficulties and an electrical fault put him on the back foot. On the plus side, it meant lots of overtaking!
Duncan\'s first-ever visit to Imola saw him take one podium and come close to another, leaving him tied for third in the championship.
The first event for the newly-launched Auto GP series, held in the Czech Republic, saw Duncan take a fifth place in the opening race.
Superleague Formula in Portugal brought challenges for Duncan, who reacted by moving forward through the field with a vengeance.
Duncan kept his streak of podiums alive with a third place in race two as Superleague visited the Italian circuit of Adria.
Again turning out for Brazilian club Flamengo, Duncan scored a podium in the second race at his home circuit - then followed it up with another in the big money \'Superfinal\'.
Duncan returned to the Flamengo car as Superleague visited Belgium, retiring from race one with a mechanical fault but finishing runner-up in the second.
Duncan lined up for Brazilian club Flamengo at the start of the 2010 Superleague season, grabbing an immediate podium.
Duncan's Loose Cannons team successfully defended its title in David Brabham's celebrity Racing4Charity karting challenge.
Shots of Duncan in his role as race tutor to some of the up-and-coming stars of tomorrow.