The 2011 Japanese motorcycle Grand Prix was the fifteenth round of the

2011 Grand Prix motorcycle racing season The 2011 Grand Prix motorcycle racing season was the 63rd Fédération Internationale de Motocyclisme, F.I.M. Road racing, Road Racing World Championship season. The 2011 season was also the final season for 800cc engines in MotoGP, and also for ...

. It took place on the weekend of 29 September–2 October 2011 at the

Twin Ring Motegi Mobility Resort Motegi (モビリティリゾートもてぎ) is a motorsport race track located at Motegi, Tochigi, Motegi, Tochigi Prefecture, Japan. Originally named Twin Ring Motegi (ツインリンクもてぎ), the circuit's name came from ...

, located in

Motegi Motegi may refer to * Motegi, Tochigi, a town in Japan **Twin Ring Motegi Mobility Resort Motegi (モビリティリゾートもてぎ) is a motorsport race track located at Motegi, Tochigi, Motegi, Tochigi Prefecture, Japan. Originally named Twi ...

, Japan. The Grand Prix, originally scheduled for 24 April, was moved to 2 October due to the effects of the Tōhoku earthquake and the

Fukushima I nuclear accidents The was a nuclear accident in 2011 at the Fukushima Daiichi Nuclear Power Plant in Ōkuma, Fukushima, Japan. The proximate cause of the disaster was the 2011 Tōhoku earthquake and tsunami, which occurred on the afternoon of 11 March 2011 ...

. Due to concerns with possible radiation an independent survey of Motegi and the surrounding area was commissioned by FIM and

Dorna Sports Dorna Sports, S.L. is the commercial rights' holder for the motorcycling sport of Grand Prix racing. Established in 1988 as an international sports management and marketing company, it is headquartered in Madrid, with branch offices and/or subs ...

. That survey generated a preliminary report which stated "Based on the estimate dose it can be said by no doubt that the radiation risk during the race event is negligible." On 2 August the full report was received and the organisers stated that the race would take place as scheduled.

MotoGP classification

Moto2 classification

125 cc classification

Championship standings after the race (MotoGP)

Below are the standings for the top five riders and constructors after round fifteen has concluded. ;Riders' Championship standings ;Constructors' Championship standings * Note: Only the top five positions are included for both sets of standings.

References

{{MotoGP 2010–19 Japanese motorcycle Grand Prix

Japanese Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or culture ** Japanese diaspor ...

Motorcycle Grand Prix Grand Prix motorcycle racing is the premier class of motorcycle road racing events held on road circuits sanctioned by the Fédération Internationale de Motocyclisme (FIM). Independent motorcycle racing events have been held since the start of ...

Japanese motorcycle Grand Prix The Japanese Motorcycle Grand Prix (日本グランプリ) is a motorcycling event that is part of the Grand Prix motorcycle racing season. The main venue who held the races for years was the Suzuka Circuit, until it permanently was replaced ...