Career
Duh raced in Poland for KSM Krosno, Orzeł Łódź, and Ostrovia Ostrów Wielkopolski. He also represented Slovenia on several occasions. Duh appeared in two Grand Prix - the Croatian events in 2010 and 2011, where he appeared as a reserve.
Duh suffered multiple injuries, including skull fractures, a brain haemorrhage, and a fractured hip, in a crash while racing in an Argentine Championship meeting at the Bahia Blanca track in Argentina on 30 January 2013, and died on 3 February, 2 months before his 24th birthday.