250: Bautista over Simoncelli.
Alvaro Bautista, who suffered a last lap defeat at the hands of Marco Simoncelli last time out at Catalunya, bounced back by taking provisional 250cc pole for the British Grand Prix by 0.170secs over the Italian on Friday.
Hector Barbera was next best, a further 0.349secs behind, while Thomas Luthi completes the overnight front row.
World championship leader Mika Kallio, currently just three points ahead of Simoncelli, was only 14th fastest.
First qualifying - Donington Park:

Alvaro Bautista, who suffered a last lap defeat at the hands of Marco Simoncelli last time out at Catalunya, bounced back by taking provisional 250cc pole for the British Grand Prix by 0.170secs over the Italian on Friday.
Hector Barbera was next best, a further 0.349secs behind, while Thomas Luthi completes the overnight front row.
World championship leader Mika Kallio, currently just three points ahead of Simoncelli, was only 14th fastest.
First qualifying - Donington Park:
1. Bautista (Aprilia)
2. Simoncelli (Gilera) +0.170secs
3. Barbera (Aprilia) +0.519secs
4. Luthi (Aprilia) +1.001secs
5. Takahashi (Honda) +1.019secs
6. Aoyama (KTM) +1.149secs
7. Simon (KTM) +1.229secs
8. Espargaro (Aprilia) +1.282secs
9. Pesek (Aprilia) +1.442secs
10. Lai (Aprilia) +1.447secs
20. Laverty (Aprilia) +2.451secs