1970 Coming Soon
1971 Oct 24 - Checkers Check Chase
1972 Coming Soon
1973 August 26 - Barstow HS Oct 21 - Desert Knights H&H Dec 16 - HBMC HS Sep 3 - Hilltoppers HS Sep 23 - Shamrocks HS Sep 9 - Stumpjumpers HS
1974 January 20 - Sled Riders H&H February 24 - Sandblasters HS April - Badgers HS April 13 - Maywood HS April 20 - Spokebenders H&H November 10 - Desert Knights H&H November 23 - SGVMC Barstow to Vegas H&H December 15 - Buzzards HS
1975 January 12 - Vikings H&H January 19 - Four Aces H&H January 26 - San Bernardino H&H February 9 - Sled Riders H&H February 16 - Desert MC HS February 23 - Badgers HS March 9 - Invaders H&H March 29 - Maywood HS April 20 - 100's HS April 27 - Simi Valley H&H May 11 - Dusters H&H May 18 - Prospectors H&H May 31-June 1 - Viewfinders GP June 8 - Desert Foxes ES June 9 - Masterlinks ES June 15 - Dustmakers HS July 13 - Rovers ES July 19 - 100's ES July 20 - Desert Vipers ES July 20 - Brush Busters HS July 27 - California Racing Club H&H Aug 10 - Desert Donkeys ES Aug 18 - Simi Valley ES Aug 31-Sep 1 - So Cal ES Sep 21 - Jackrabbits H&H October 19 - Desert Vipers HS October 26 - Rams H&H Nov 9 - Desert Knights H&H Nov 29-30 - District 37 ES December 14 - Buzzards ES
1976 January 11 - Vikings HS April 11 - Rovers H&H May 16 - Sled Riders Euro June 6 - Viewfinders GP August 1 - Hilltoppers GP September 3 - Invaders GP December 12 - Dirt Diggers GP
1977 June 5 - Viewfinders GP October 15 - Capistrano MC HS
1978 June 10 - Four Aces HS
1979 June 10 - Four Aces HS
1980 Jan 19 - Shamrocks March 23 - Prairie Dogs May 25 - Masterlinks June 15 - Desert Daisys
1981 Coming Soon
1982 Coming Soon
1983 Coming Soon
1984 December 9 - Jackrabbits H&H Coming Soon
1985 January 13 - Prairie Dogs HS January 27 - Desert MC H&H March 10 - HBMC H&H March 24 - Invaders H&H April 14 - Rovers H&H
1986 February 23 - Brush Busters HS October 24 - 100's H&H November 9 - So Cal H&H
1987 February 8 - Four Aces H&H November 8 - So Cal H&H December 13 - Dirt Diggers HS
1988 March 27 - Invaders H&H May 22 - Badgers H&H October 23 - 100's H&H November 13 - So Cal H&H December 11 - Dirt Diggers HS
1989 February 19 - Prairie Dogs H&H March 19 - HBMC H&H May 7 - Shamrocks GP May 13-14 Badgers Dual Euro Aug 26-27 - Four Aces Dual Euro October 22 - 100's National H&H November 12 - So Cal H&H
1990 Coming Soon
1991 October 27 - 100's H&H
1992 February 23 - HBMC H&H April 26 - Vikings H&H May 24 - Lost Coyotes HS October 11 - Dezert Foxes HS September 27 - Shamrocks H&H November 8 - So Cal H&H December 13 - Dirt Diggers HS
1993 January 10 - Jackrabbits H&H January 10 - Rovers Team January 24 - Desert MC H&H February 13 - Four Aces H&H February 28 - HBMC H&H March 14 - Invaders H&H May 29-30 - Lost Coyotes Dual Euro June 26-27 - RUTS Dual Euro August 7-8 - Jackrabbits Dual Euro October 31 - Simi Valley MC HS November 14 - So Cal H&H December 12 - Dirt Diggers HS
1994 January 9 - Jackrabbits H&H February 12-13 - Four Aces ES & HS February 27 - HBMC National H&H March 13 - Invaders H&H April 10 - Rovers HS April 24 - Vikings H&H May 22 - Checkers H&H June 18 - D37 Team August 13-14 - Dirt Diggers Dual Euro August 27-28 - Vikings Dual Euro September 18 - Checkpoint Enduro September 25 - Shamrocks H&H October 9 - Dezert Foxes HS October 23 - 100's National H&H October 30 - Ridgecrest MC HS November 13 - So Cal MC H&H December 11 - Dirt Diggers HS
1995 Coming Soon
1996 Coming Soon
1997 March 16 - Prospectors Enduro
1998 Coming Soon
1999 Coming Soon
2000 Coming Soon
2001 Coming Soon
2002 November 17 - Hilltoppers DS
2003 Coming Soon
2004 Coming Soon
2005 September 25 - Shamrocks DS
2006 Coming Soon
2007 January 14 - Jackrabbits H&H January 21 - United MC Enduro February 3-4 - Dirt Diggers GP February 11 - Four Aces National H&H February 24 - Checkers DS February 25 - Checkers DS March 3-4 - Prairie Dogs GP March 25 - Dirt Diggers DS Mar 30-Apr 1 - Hilltoppers GP April 15 - Rovers H&H April 29 - Vikings National H&H May 5-6 - Shamrocks GP May 12-13 - Badgers Dual Euro June 9-10 - RUTS Dual Euro June 30 - Prairie Dogs Night Team August 26 - Invaders DS September 16 - United MC DS September 30 - Shamrocks DS October 6-7 - Viewfinders GP October 14 - So Cal H&H October 21 - TWMC Enduro October 28 - 100's National H&H November 3-4 - Prospectors GP
2008 January 27 - Desert MC National H&H March 8 - HBMC Team Race March 9 - HBMC DS
