Duncan's race career in photos, spanning three continents and dozens of meetings - share the highs and lows here.
Duncan took part in four meetings during the season, with a best finish of sixth in Hungary.
Duncan drove for Tottenham Hotspur in the first year of the football-themed Superleague, taking three podiums from his five rounds.
Duncan was selected to take part in the rookie driver sessions for Team GBR at A1\'s Mexico City and Shanghai rounds.
Duncan, Martin Short and Vanina Ickx drove the #18 Rollcentre Racing Pescarola Judd to seventh place in the 1000 km of Monza, the second round of the 2008 Le Mans Series season.
Duncan was a guest driver at Thruxton for rounds seven and eight of the Porsche Carrera Cup. An eventful weekend saw him take a ninth place in one race and record a DNF in the other.