World Superbike Championship leader Max Biaggi suffers at Silverstone

• Biaggi misses out on points as rain causes spate of crashes
• Loris Baz prospers to take his first victory in the competition

The world superbike championship leader Max Biaggi failed to pick up any points at Silverstone after skidding off the track in the first race and finishing a miserable day with an 11th-placed finish in the second.

The Italian had struggled all weekend with no Aprilia riders starting inside the top 10 after Biaggi qualified 11th and Eugene Laverty 14th. The weather added to their problems in round 10 of the championship.

The opening race had to be stopped twice following crashes. Loris Baz was the only rider to prosper, taking his first ever victory in the competition as he battled appalling conditions to cross the line first on his Kawasaki. The Frenchman then followed up with a second place in race two, behind Ducati’s Sylvain Guintoli, with organisers red-flagging the contest at the halfway stage as the rain finally won out.

The lead changed hands several times in race one as heavy showers toyed with the riders, but it was eventually Baz who prevailed by 0.383 seconds ahead of the BMW duo Michel Fabrizio and Ayrton Badovini.

Both Badovini and fourth-placed Jonathan Rea (Honda) came off their bikes in the final moments but had crossed the lines before the incidents. Race two was even more incident-packed with Guintoli declared the winner on his debut for PATA Ducati. The Frenchman took the lead on the first bend and stayed there until the race was abandoned, with half points awarded to the riders.

Baz finished second on countback despite crashing, while Jakub Smrz (Ducati), Maxime Berger (Ducati), Rea, Carlos Checa (Althea Racing Ducati) and Badovini also came off their bikes within the space of just two laps. Smrz was declared to have finished the race third ahead of Laverty and Berger.

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MotoGP sets 18-round world championship calendar for 2012

• Silverstone to host British round on 17 June
• Four races in Spain, two in US

The MotoGP world championship will start under floodlights in Qatar once again next year and end at Spain’s Valencia circuit, the series organisers said on Wednesday.

The governing International Motorcycling Federation (FIM) issued a provisional 18-round calendar with no new additions and four Spanish races.

The United States has two races, now separated by three weeks, at Laguna Seca in California and Indianapolis.

Provisional 2012 calendar

15 April* Qatar

29 April Spain (Jerez)

6 May Portugal (Estoril)

20 May France (Le Mans)

3 June Catalunya (Barcelona)

17 June Britain (Silverstone)

30 June** Netherlands (Assen)

8 July Germany (venue to be confirmed)

15 July Italy (Mugello)

29 July*** US (Laguna Seca)

19 Aug Indianapolis

26 Aug Czech Republic (Brno)

16 Sept San Marino (Misano)

30 Sept Aragón (Motorland Aragón, Spain)

14 Oct Japan (Motegi)

21 Oct Malaysia (Sepang)

28 Oct Australia (Phillip Island)

11 Nov Valencia (Ricardo Tormo)

* Evening race

** Saturday race

*** MotoGP only, no other classes

Spain (Jerez), Portugal and Germany are all subject to contract.

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