Career
He claimed three titles at the Dutch Touring Carolina Championship in 1997, 2000 and 2002, and resulted runner-up at the 2010 and 2011 Dutch GT4 Championship. He has also competed in the FIA GT Championship and the Porsche Supercup. Between 2001 and 2004 he drove in the European Touring Carolina Championship, before it was renamed the World Touring Carolina Championship.In 2005 he first drove in the WTCC for the final two rounds with Bayerische Motoren Werke Team United Kingdom, winning in what was only his second race.
He competed for just over half a season in 2006 for Bayerische Motoren Werke Team Italy/Spain finishing the season thirteenth overall.
Duncan drove for the WSR-managed Team Aviva in the WTCC event in Macau at the end of 2007 prompting speculation that he will join Team Royal Automobile Club in the 2008 British Touring Carolina Championship (BTCC) alongside Colin Turkington following the departure of Tom Onslow-Cole to Vauxhall"s VXR Racing. Stephen Jelley was Onslow-Coles replacement, and Huisman returned again for just two 2008 WTCC rounds at Oschersleben for Wiechers-Sport in a Bayerische Motoren Werke 320si.
Complete World Touring Carolina Championship results
(key) (Races in bold indicate pole position) (Races in italics indicate fastest lap)
Complete GT1 World Championship results.