The Sidecar Motocross World Championship is an annual event, first held in 1980. It is organized by the Fédération Internationale de Motocyclisme (FIM). Before 1980, a European competition was held from 1971 onwards.
Daniël Johan Nico Willemsen is a Dutch sidecarcross rider and ten times World Champion.
Sven Verbrugge is a retired Belgian sidecarcross passenger and triple Sidecarcross World Champion, winning the title in 2005, 2006 and 2011.
Marcel Willemsen is a Dutch sidecarcross passenger and 1999 World Champion.
The 2006 FIM Sidecarcross world championship, the 27th edition of the competition, started on 23 April and finished after eight race weekends on 17 September 2006 with Daniël Willemsen taking out the title once more.
The 2009 FIM Sidecarcross world championship, the 30th edition of the competition, started on 29 March and finished after thirteen race weekends on 13 September 2009.
The 2004 FIM Sidecarcross World Championship, the 25th edition of the competition, started on 21 March 2004 and finished after fourteen race weekends on 5 September 2004 with Daniël Willemsen and Kaspars Stupelis taking out the title once more. For Willemsen, it was his third world championship while it was the second for Stupelis.
Joris Hendrickx is a Belgian sidecarcross rider and the 2009 World Champion, together with his passenger, the Latvian Kaspars Liepiņš.
Kaspars Liepiņš is a Latvian sidecarcross rider and the 2009 World Champion, won as the passenger of the Belgian Joris Hendrickx.
Adrian Käser is a retired Swiss sidecarcross passenger and four times World Champion.
Reinhard Böhler was a German sidecarcross rider and the first-ever World Champion in the sport, together with his passenger Siegfried Müller.
The 2011 FIM Sidecarcross World Championship, the 32nd edition of the competition, started on 3 April and finished after thirteen race weekends on 11 September 2011.
The 2012 FIM Sidecarcross World Championship, the 33rd edition of the competition, started on 1 April and finished after eleven race weekends on 16 September 2012.
The 2002 FIM Sidecarcross World Championship, the 23rd edition of the competition, started on 1 April and finished after fourteen race weekends on 22 September 2002.
The 2013 FIM Sidecarcross World Championship, the 34th edition of the competition, started on 1 April and finished after fourteen race weekends on 22 September 2013.
Christoph Hüsser is a retired Swiss sidecarcross rider and dual Sidecarcross World Champion, having won the competition in 1988 and 1989, together with his passenger Andreas Hüsser, his younger twin brother.
Andreas Hüsser is a retired Swiss sidecarcross passenger and dual Sidecarcross World Champion, having won the competition in 1988 and 1989 as passenger of Christoph Hüsser, his older twin brother. He also has three European Championships to his name, the predecessor competition of the World Championship, which he won as passenger of Robert Grogg from 1976 to 1978.
The 2001 FIM Sidecarcross World Championship, the 22nd edition of the competition, started on 1 April and finished after fourteen Grand Prix on 30 September 2001.
The 2000 FIM Sidecarcross World Championship, the 21st edition of the competition, started on 19 March and finished after thirteen Grand Prix on 24 September 2000.
Chris Etheridge is a retired British sidecarcross rider. In the Sidecarcross World Championship his greatest success has been three top-ten finishes in a career stretching over sixteen seasons from 1986 to 2001, while domestically he has won ten national British Sidecarcross Championships, a record at the time but since broken.
Switzerland 
