United States Grand Prix, Austin: Friday free practice (combined times)

1. Sebastian Vettel Germany Red Bull-Renault 1m 37.305s (56 laps)
2. Mark Webber Australia Red Bull-Renault 1m 37.42s (54 laps)
3. Nico Rosberg Germany Mercedes-Mercedes 1m 37.785s (59 laps)
4. Lewis Hamilton Britain Mercedes-Mercedes 1m 37.958s (59 laps)
5. Heikki Kovalainen Finland Lotus-Renault 1m 38.073s (59 laps)
6. Esteban Guti?rrez Mexico Sauber-Ferrari 1m 38.229s (58 laps)
7. Nico H?lkenberg Germany Sauber-Ferrari 1m 38.254s (57 laps)
8. Romain Grosjean France Lotus-Renault 1m 38.255s (46 laps)
9. Jenson Button Britain McLaren-Mercedes 1m 38.269s (59 laps)
10. Fernando Alonso Spain Ferrari-Ferrari 1m 38.343s (49 laps) *
11. Valtteri Bottas Finland Williams-Renault 1m 38.388s (54 laps) *
12. Adrian Sutil Germany Force India-Mercedes 1m 38.719s (46 laps)
13. Felipe Massa Brazil Ferrari-Ferrari 1m 38.938s (54 laps)
14. Sergio Perez Mexico McLaren-Mercedes 1m 38.941s (48 laps)
15. Pastor Maldonado Venezuela Williams-Renault 1m 39.2s (48 laps) *
16. Daniel Ricciardo Australia STR-Ferrari 1m 39.246s (47 laps)
17. Paul di Resta Britain Force India-Mercedes 1m 39.41s (49 laps)
18. Jean-Eric Vergne France STR-Ferrari 1m 39.579s (36 laps)
19. Daniil Kvyat Russia STR-Ferrari 1m 40.065s (20 laps) *
20. Charles Pic France Caterham-Renault 1m 40.376s (58 laps)
21. Giedo van der Garde Netherlands Caterham-Renault 1m 40.563s (35 laps)
22. Alexander Rossi USA Caterham-Renault 1m 41.399s (21 laps) *
23. Max Chilton Britain Marussia-Cosworth 1m 41.605s (50 laps) *
24. Rodolfo Gonzalez Venezuela Marussia-Cosworth 1m 43.716s (17 laps) *
25. Jules Bianchi France Marussia-Cosworth 1m 47.009s (20 laps)

Total laps run by all drivers on Friday: 1159* Denotes time set in FP1All times unofficial