 The 2003 championship was won by Dutch rider Daniël Willemsen and his Latvian passenger Kaspars Stupelis who finished 60 points ahead of the defending champion Sergis and his new passenger Sven Verbrugge in second place.It was the second title for Willemsen, having previously been crowned World Champions in 1999 and the first for Stupelis.The Sidecarcross World Championship, first held in 1980 and organised by the Fédération Internationale de Motocyclisme, is an annual competition.