It led to a chaotic end to the final session , but Alonso managed to complete his quickest lap of the day shortly before time ran out . Ferrari driver Fernando Alonso is quickest in practice for Sunday 's Belgian Grand Prix . Alonso posts lap of one minute , 49.032 seconds at Spa Circuit . Force India 's Adrian Sutil came second with McLaren 's Lewis Hamilton third . Championship leader Mark Webber of Red Bull was two seconds off Alonso .
Ferrari driver Fernando Alonso is quickest in practice for Sunday 's Belgian Grand Prix . Alonso posts lap of one minute , 49.032 seconds at Spa Circuit . Force India 's Adrian Sutil came second with McLaren 's Lewis Hamilton third . Championship leader Mark Webber of Red Bull was two seconds off Alonso .