Calificación 125cc - Gran Premio de Gran Bretaña 2009
| Pos. | Piloto | Equipo | Moto | Tiempo |
|---|---|---|---|---|
| 1 | 
Bradley Smith |
Bancaja Aspar Team | Aprilia | 1:37.442 |
| 2 | 
Marc Márquez |
Red Bull KTM Motosport | KTM | +0.131 |
| 3 |
Julián Simón |
Bancaja Aspar Team | Aprilia | +0.307 |
| 4 |
Sergio Gadea |
Bancaja Aspar Team | Aprilia | +0.407 |
| 5 |
Joan Olivé |
Derbi Racing Team | Derbi | +0.432 |
| 6 |
Nicolás Terol |
Jack & Jones Team | Aprilia | +0.547 |
| 7 |
Pol Espargaró |
Derbi Racing Team | Derbi | +0.675 |
| 8 | 
Sandro Cortese |
Ajo Interwetten | Derbi | +0.925 |
| 9 |
Tito Rabat |
Blusens Aprilia | Aprilia | +1.029 |
| 10 | 
Andrea Iannone |
Ongetta Team I.S.P.A. | Aprilia | +1.042 |
| 11 |
Scott Redding |
Blusens Aprilia | Aprilia | +1.059 |
| 12 |
Simone Corsi |
Jack & Jones Team | Aprilia | +1.059 |
| 13 |
Stefan Bradl |
Viessmann Kiefer Racing | Aprilia | +1.113 |
| 14 |
Danny Webb |
Degraaf Grand Prix | Aprilia | +1.128 |
| 15 |
Jonas Folger |
Ongetta Team I.S.P.A. | Aprilia | +1.406 |
| 16 |
Efrén Vazquez |
Derbi Racing Team | Derbi | +1.437 |
| 17 | 
Michael Ranseder |
Haojue Team | Haojue | +1.639 |
| 18 | 
Dominique Aegerter |
Ajo Interwetten | Derbi | +1.747 |
| 19 | 
Tomoyoshi Koyama |
Loncin Racing | Loncin | +1.924 |
| 20 |
Takaaki Nakagami |
Ongetta Team I.S.P.A. | Aprilia | +1.951 |
| 21 |
Randy Krummenacher |
Degraaf Grand Prix | Aprilia | +1.959 |
| 22 |
Lorenzo Zanetti |
Ongetta Team I.S.P.A. | Aprilia | +1.965 |
| 23 | 
Johann Zarco |
WTR San Marino Team | Aprilia | +2.091 |
| 24 |
Luis Salom |
SAG-Castrol | Honda | +2.900 |
| 25 | 
Jasper Iwema |
WTR San Marino Team | Aprilia | +2.940 |
| 26 |
Lorenzo Savadori |
Fontana Racing | Aprilia | +3.014 |
| 27 | 
Cameron Beaubier |
Red Bull KTM Motosport | KTM | +3.067 |
| 28 |
Alexis Masbou |
Loncin Racing | Loncin | +3.644 |
| 29 | 
Lukas Pesek |
Pesek Team | Derbi | +3.687 |
| 30 |
James Lodge |
KRP/Bradley Smith Racing | Honda | +4.129 |
| 31 |
Martin Glossop |
KRP - Bradley Smith Racing | Honda | +4.336 |
| 32 |
Lukas Sembera |
WTR San Marino Team | Aprilia | +4.638 |
| 33 |
Luca Marconi |
CBC Corse | Aprilia | +4.984 |
| 34 |
Timothy Hastings |
KRP/Bradley Smith Racing | Honda | +5.031 |
| 35 | 
Paul Jordan |
KRP/Bradley Smith Racing | Honda | +5.951 |
| 36 |
Luca Vitali |
CBC Corse | Aprilia | +7.639 |