SEARS POINT RACEWAY
SONOMA, CALIFORNIA

SUPERBIKE
Year Winner, Hometown Mach.
1999 Mathew Mladin, Australia Suzuki
1998 Miguel Duhamel, PQ, CAN Honda
1997 Miguel Duhamel, Sarasota, FL Honda
1996 Aaron Yates, Milledgeville, GA Suzuki
1995 Miguel Duhamel, Repentigny, PQ,CAN Honda
1994 Colin Edwards II, Conroe, TX Yamaha
1993 Miguel Duhamel, Verdun, QU, CAN Kawasaki
1988 Doug Polen, Denton, TX Suzuki
1987 Kevin Schwantz, Houston, TX Suzuki
1986 Fred Merkel, Fountain Valley, CA Honda
1985 Kevin Schwantz, Houston, TX Suzuki
1985 Fred Merkel, Stockton, CA Honda
1984 Wes Cooley, Ramona, CA Suzuki
1984 Fred Merkel, Stockton, CA Honda
1983 Wayne Rainey, Norwalk, CA Kawasaki
1982 Mike Baldwin, Darien, CT Honda
1979 Freddie Spencer, Shreveport, LA Kawasaki
1978 Paul Ritter, Oakland, CA Ducati
1977 Paul Ritter, Oakland, CA Ducati

FORMULA I
Year Winner, Hometown Mach.
1986 Kork Ballington, Waccabuc, NY Honda
1985 Wayne Rainey, Norwalk, CA Honda
1984 Mike Baldwin, Stamford, CT Honda
1983 Wes Cooley, Ramona, CA Kawasaki
1982 Mike Baldwin, Darien, CT Honda
1979 Kenny Roberts, Modesto, CA Yamaha
1978 Mike Baldwin, Darien, CT Yamaha
1977 Kenny Roberts, Modesto, CA Yamaha
1969 Art Baumann, San Francisco, CA Suzuki

250 GRAND PRIX
Year Winner, Hometown Mach.
1999 Charles Sorensen, San Jose, CA Yamaha
1998 Charles Sorensen, San Jose, CA Yamaha
1997 Rich Oliver, Fresno, CA Yamaha
1996 Rich Oliver, Fresno, CA Yamaha
1995 Rich Oliver, Fresno, CA Yamaha
1994 Rich Oliver, Fresno, CA Yamaha
1993 Jim Filice, Modesto, CA Yamaha
1989 John Kocinski, Modesto, CA Yamaha
1988 John Kocinski, Modesto, CA Yamaha
1987 John Kocinski, Modesto, CA Yamaha
1986 Don Greene, Novato, CA Honda
1985 Don Greene, Novato, CA Honda
1985 Wayne Rainey, Norwalk, CA Honda
1984 Don Greene, Novato, CA Yamaha
1984 Tracy DeMuro, Canoga Park, CA Yamaha
1983 Don Greene, Novato, CA Yamaha
1982 Dave Emde, Spring Valley, CA Yamaha
1979 Freddie Spencer, Shreveport, LA Yamaha
1978 Dave Emde, National City, CA Yamaha
1977 Skip Aksland, Manteca, CA Yamaha
1969 Ron Pierce, Bakersfield, CA Yamaha

600cc SUPERSPORT
Year Winner, Hometown Mach.
1999 Nicky Hayden, Owensboro, KY Honda
1998 Miguel Duhamel, PQ, CAN Honda
1997 Pascal Picotte, Granby, CAN Suzuki
1996 Thomas Stevens, Sanibel Island, FL Kawasaki
1995 Miguel Duhamel, Repentigny, PQ,CAN Honda
1994 Jamie James, Asheville, NC Yamaha
1993 Miguel Duhamel, Verdun, QU, CAN Kawasaki
1989 Scott Zampach, Milwaukee, WI Yamaha
1988 David Deveau, Sebastopol, CA Honda
1987 Doug Polen, Denton, TX Honda

750cc SUPERSPORT
Year Winner, Hometown Mach.
1999 Tom Kipp, Chardon, OH Suzuki
1998 Jason Pridmore, Ventura, CA Suzuki
1997 Jason Pridmore, Ventura, CA Suzuki
1996 Aaron Yates, Milledgeville, GA Suzuki
1995 Fred Merkel, Stockton, CA Suzuki
1994 James Randolph, Santa Rosa, CA Suzuki
1993 Jason Pridmore, Ventura, CA Kawasaki
1989 Scott Russell, Morrow, GA Suzuki
1988 Cal Rayborn, Lake Elsinore, CA Suzuki

BATTLE OF THE TWINS (Modified)
Year Winner, Hometown Mach.
1989 Kevin Erion, Los Angeles, CA Honda
1988 Kevin Erion, Los Angeles, CA Ducati
1987 Pete Johnson, Hamlin, PA Cagiva
1986 Fred Eiker, Santa Barbara, CA Moto-Guzzi
1985 David McClure, Danielsville, GA Harley-Davidson
1985 David McClure, Danielsville, GA Harley-Davidson
1984 Simon Smith, San Luis Obisbo, CA Ducati
1984 Paul Vogel, Sacramento, CA Harley-Davidson
1983 Joey Mills III, Algiers, LA Ducati
1982 Winfried Hopp, Philadelphia, PA Ducati

BATTLE OF THE TWINS (Grand Prix)
Year Winner, Hometown Mach.
1989 Randy Renfrow, Fredericksburg, VA Honda
1988 Dale Quarterley, Rockland, MA Ducati
1987 Dale Quarterley, Rockland, MA Bimota
1986 Gene Church, Turnersburg, NC Harley-Davidson
1985 Gene Church, Turnersburg, NC Harley-Davidson
1985 James Adamo, Glen Cove, NY Harley-Davidson
1984 John Williams, Oakland, CA Ducati
1984 Gene Church, Turnersburg, NC Harley-Davidson
1983 James Adamo, Glen Cove, NY Ducati
1982 James Adamo, Glen Cove, NY Ducati

HARLEY-DAVIDSON SUPERTWINS
Year Winner, Hometown Mach.
1997 Eric Bostrom, Granada Hills, CA Harley-Davidson
1996 Ben Bostrom, Redondo Beach, CA Harley-Davidson
1995 Shawn Higbee, Marina Del Rey, CA Harley-Davidson
1994 Aaron Yates, Milledgeville, GA Harley-Davidson
1993 Scott Zampach, Milwaukee, WI Harley-Davidson

PRO THUNDER
Year Winner, Hometown Mach.
1999 Thomas Montano, Berkeley, CA Ducati
1998 Curtis Adams, Whittier, CA Triumph

FORMULA XTREME
Year Winner, Hometown Mach.
1999 Nicky Hayden, Owensboro, KY Honda
1998 Eric Bostrom, Granada Hills, CA Honda
1997 Andrew Stroud, New Zealand Honda

SUPERTEAMS
Year Winner, Hometown Mach.
1996 EBSCO Ind. Suzuki, Birmingham, AL Suzuki
1995 Cycle Motion Racing, Birmingham, AL Suzuki

UNLIMITED TEAM CHALLENGE
Year Winner, Hometown Mach.
1994 Team Mirage, Westfield, MA Kawasaki

MIDDLEWEIGHT TEAM CHALLENGE
Year Winner, Hometown Mach.
1994 Moto Liberty Honda, Carrollton, TX Honda

GTO ENDURANCE
Year Winner, Hometown Mach.
1993 Team Labelle Racing Honda

GTU ENDURANCE
Year Winner, Hometown Mach.
1993 Moto Liberty Nankai II Suzuki