2006 D1 Grand Prix series  In 2006 the D1 Grand Prix championship, a drifting motor racing competition, comprised eight rounds held in Japan and the United States. The overall winner was Nobushige Kumakubo. There was also a D1 Street Legal competition run over seven rounds in Japan, and national competitions in Malaysia and the United Kingdom.   "n.b. Winning Driver are mentioned on the right"  Round 1 - March 3/4 - Irwindale Speedway, Irwindale, California, United States - Yasuyuki Kazama (S15) Round 2 - April 29/30 - Sports Land SUGO, Miyagi Prefecture, Japan - Ken Nomura (ER34) Round 3 - May 13/14 - Fuji Speedway, Shizuoka Prefecture, Japan - Yasuyuki Kazama (S15) Round 4 - July 29/30 - Autopolis, Ōita Prefecture, Japan - Ken Nomura (ER34) Round 5 - August 26/27 - Ebisu South Course, Fukushima Prefecture, Japan - Nobushige Kumakubo (GDB) Round 6 - September 9/10 - Suzuka Circuit, Mie Prefecture, Japan - Hideo Hiraoka (S15) Round 7 - October 21/22 - Fuji Speedway, Shizuoka Prefecture, Japan - Masato Kawabata (S15) Round 8 - December 15/16 - Irwindale Speedway, Irwindale, California, United States - Kazuhiro Tanaka (GDB)  Round 1 - February 4/5 - Sekia Hills, Kumamoto Prefecture, Japan - Masao Suenaga (FD3S) Round 2 - April 15/16 - Ebisu South Course, Fukushima Prefecture, Japan - Masao Suenaga (FD3S) Round 3 - April 29/30 - Sports Land Sugo, Miyagi Prefecture, Japan (D1GP Week) - Toru Inose (S15) Round 4 - May 13/14 - Fuji Speedway, Shizuoka Prefecture, Japan (D1GP Week) - Hiroyuki Fukushima (PS13) Round 5 - July 29/30 - Autopolis, Ōita Prefecture, Japan (D1GP Week) - Kazuyoshi Okamura (S15) Round 6 - August 26/27 - Ebisu, Fukushima Prefecture, Japan (D1GP Week) - Yoshinori Koguchi (JZX100) Round 7 - November 11/12 - Sekia Hills, Kumamoto Prefecture, Japan - Tetsuya Hibino (S14)  Exhibition RD-1 June 17/18 - Silverstone, Silverstone, Northamptonshire, UK - Yasuyuki Kazama (S15) Exhibition RD-2 July 14/15 - Las Vegas Motor Speedway, Las Vegas, Nevada, United States - Toshiki Yoshioka (AE85) World All-Star December 17 - Irwindale Speedway, Irwindale, California, United States - Ken Nomura (ER34)  Round 1–28 May - Rockingham Motor Speedway, Northamptonshire - Brett Castle (S14) Round 2–17 June - Silverstone, Silverstone, Northamptonshire, - Phil Morrison (S14) Round 3–2 July - Knockhill, Dunfermline, Fife, Scotland - Damien Mulvey (PS13) Round 4–20 August - Silverstone, Silverstone, Northamptonshire - Mark Luney (BNR32) Round 5–3 September - Silverstone, Silverstone, Northamptonshire - Ben Broke Smith (HCR32)  Round 1–11 March - Go-Kart track, Shah Alam, Selangor - Zero Lim Kim Ling (A31) Round 2–22 April - Danga Bay, Johor Bahru - Tengku Djan Ley (AE86) Round 3–1 July - car park, Shah Alam, Selangor - Tengku Djan Ley (AE86) Round 4–12 August - Batu Kawan Stadium car park, Batu Kawan, Penang - Tengku Djan Ley (AE86) Round 5–28 October - Shah Alam, Selangor - Tengku Djan Ley (AE86)  Round 1–28 May - Pukekohe Park Raceway, New Zealand - Sean Falconer, Dayna Jury, Jarius Wharerau, Darren McDonald Round 2–16 September - Powerbuilt Raceway at Ruapuna Park, New Zealand - Adam Richards, Glen Pupich, Phil Taylor, Kahu Campbell  "Round 1" "Round 2" "Round 3" "Round 4" "Round 5" "Round 6" "Round 7" "Round 8"     D1GP Results Database 2006