Duncan's race career in photos, spanning three continents and dozens of meetings - share the highs and lows here.
Duncan crossed the Atlantic in April to compete in the first two rounds of the Indy Lights season for Genoa Racing.
4 Photos
May saw Duncan and Team JVA contest the two races of Formula Master's opening round in Pau.
18 Photos
A new Superleague season and a new club for Duncan - Turkey's Galatasaray. The opening race saw him gain seven places on his qualifying position to finish fifth.
16 Photos
Duncan took part in a five-driver, three-car media event to promote Superleague's forthcoming visit to Donington Park.
3 Photos
Pitlane problems cost Duncan dear in the first Zolder race, while in the second he was knocked out by another driver on the first lap.
15 Photos
Duncan set the sixth-fastest time overall when he took part in the Formula Two winter testing session at Portimao.
8 Photos