Rider Ducati, Davide Guiliano pun berhasil memperbaiki catatan waktunya dan berhasil menempati posisi kedua. Sementara itu Sylvain Guintoli merosot ke posisi lima, hal serupa dialami rekan satu timnya Marco Melandri yang berada di posisi ketujuh.(otosport.co.id)
Hasil FP4 WSBK Laguna Seca :
1. Tom Sykes GBR Kawasaki Racing ZX-10R 1m 23.097s
2. Davide Giugliano ITA Ducati SBK 1199 Panigale R 1m 23.242s
3. Chaz Davies GBR Ducati SBK 1199 Panigale R 1m 23.318s
4. Jonathan Rea GBR PATA Honda CBR1000RR 1m 23.386s
5. Sylvain Guintoli FRA Aprilia Racing RSV4 1m 23.441s
6. Leon Haslam GBR PATA Honda CBR1000RR 1m 23.468s
7. Marco Melandri ITA Aprilia Racing RSV4 1m 23.824s
8. Eugene Laverty IRL Voltcom Crescent Suzuki GSX-R1000 1m 23.831s
9. Loris Baz FRA Kawasaki Racing ZX-10R 1m 23.905s
10. Alex Lowes GBR Voltcom Crescent Suzuki GSX-R1000 1m 24.053s
11. Toni Elias ESP Red Devils Roma Aprilia RSV4 1m 24.073s
12. Sylvain Barrier FRA BMW Italia S1000RR 1m 25.003s (E)
13. Niccolo Canepa ITA Althea Ducati 1199 Panigale R 1m 25.107s (E)
14. David Salom ESP Kawasaki Racing ZX-10R 1m 25.121s (E)
15. Alessandro Andreozzi ITA Pedercini Kawasaki ZX-10R 1m 25.253s (E)
16. Ayrton Badovini ITA Bimota Alstare BB3 1m 25.321s (E)
17. Bryan Staring AUS IRON BRAIN Kawasaki ZX-10R 1m 25.328s (E)
18. Jeremy Guarnoni FRA MRS Kawasaki ZX-10R 1m 25.452s (E)
19. Christian Iddon GBR Bimota Alstare BB3 1m 25.756s (E)
20. Gabor Rizmayer HUN Team Toth BMW S1000RR 1m 25.803s
21. Sheridan Morais RSA IRON BRAIN Kawasaki ZX-10R 1m 25.814s (E)
22. Leon Camier GBR MV Agusta RC F4RR 1m 25.862s
23. Geoff May USA Team Hero EBR 1190RX 1m 26.135s
24. Aaron Yates USA Team Hero EBR 1190RX 1m 26.676s
25. Peter Sebestyen HUN Team Toth BMW S1000RR 1m 27.153s (E)
26. Chris Ullrich USA GEICO Honda CBR1000RR 1m 27.228s
27. Larry Pegram USA Foremost Insurance EBR 1190RX 1m 27.318s