Marco Simoncelli has taken provisional pole for Sunday's 250cc GP this afternoon by lapping at Misano in 1'38.400, half a second ahead of second place rider Hector Barbera.
Simoncelli has turned the tables on Spanish rider Hector Barbera, since earlier this morning it was Barbera who was ahead of the competition by half a second.
Thomas Luthi finished third for the Emmi Caffe Latte team with a time just seven tenths of a second off Simoncelli's pace.
Hiroshi Aoyama was the fastest KTM rider of the session earning him 4th place on the timesheets, closely followed by his countryman Yuki Takahashi on his JiR Team Scot Honda.
Finnish rider Mika Kallio came in 7th, an improvement on his ranking in free practice earlier in the day, just behind Spaniard Julian Simon.
1 Marco SIMONCELLI ITA Metis Gilera Gilera 1'38.400
2 Hector BARBERA SPA Team Toth Aprilia Aprilia 1'38.912
3 Thomas LUTHI SWI Emmi - Caffe Latte Aprilia 1'39.109
4 Hiroshi AOYAMA JPN Red Bull KTM 250 KTM 1'39.233
5 Yuki TAKAHASHI JPN JiR Team Scot 250 Honda 1'39.420
6 Julian SIMON SPA Repsol KTM 250cc KTM 1'39.476
7 Mika KALLIO FIN Red Bull KTM 250 KTM 1'39.504
8 Mattia PASINI ITA Polaris World Aprilia 1'39.546
9 Hector FAUBEL SPA Mapfre Aspar Team Aprilia 1'39.551
10 Aleix ESPARGARO SPA Lotus Aprilia Aprilia 1'39.677
11 Roberto LOCATELLI ITA Metis Gilera Gilera 1'39.828
12 Alvaro BAUTISTA SPA Mapfre Aspar Team Aprilia 1'39.853
13 Lukas PESEK CZE Auto Kelly - CP Aprilia 1'39.956
14 Fabrizio LAI ITA Campetella Racing Gilera 1'40.176
15 Alex DEBON SPA Lotus Aprilia Aprilia 1'40.186
16 Eugene LAVERTY IRL Blusens Aprilia Aprilia 1'40.317
17 Karel ABRAHAM CZE Cardion AB Motoracing Aprilia 1'40.360
18 Ratthapark WILAIROT THA Thai Honda PTT SAG Honda 1'40.407
19 Alex BALDOLINI ITA Matteoni Racing Aprilia 1'40.732
20 Federico SANDI ITA Matteoni Racing Aprilia 1'42.099
21 Manuel HERNANDEZ SPA Blusens Aprilia Aprilia 1'43.150
22 Doni Tata PRADITA INA Yamaha Pertamina Indonesia Yamaha 1'43.372
23 Simone GROTZKYJ ITA Campetella Racing Gilera 1'43.386
24 Toni WIRSING GER Racing Team Germany Honda 1'43.421
25 Imre TOTH HUN Team Toth Aprilia Aprilia 1'44.447
Out of limit time
93 Alen GYORFI HUN Motorcycle Competition Service Honda