Pada sesi ketiga, Marquez baru naik ke posisi tercepat setelah melakukan percobaan keenam dalam 1 menit 31,675 detik. Pebalap 21 tahun ini beberapa kali mempertajam catatan waktunya dan tetap bertahan di atas.
Sementara posisi kedua jadi rebutan beberapa pebalap, di antaranya Jorge Lorenzo, Andrea Dovizioso, Stefan Bradl, Aleix Espargaro, dan Pol Espargaro.
Pada percobaan ke-10, Marquez mencatat waktu putaran 1 menit 30,960 detik. Setelah itu, dia sempat terjatuh, tetapi masih bisa malanjutkan sesi. Hingga sesi 45 menit ini berakhir, catatan Marquez tak terkejar.
Sepuluh pebalap dengan catatan waktu terbaik hasil akumulasi sesi latihan bebas pertama hingga ketiga berhak langsung ikut kualifikasi kedua. Sementara pebalap lainnya harus bersaing di kualifikasi pertama untuk mencari dua terbaik.
Sebelum sesi kualifikasi, para pebalap masih mendapat satu kali kesempatan latihan bebas.
Hasil Sesi Latihan Bebas Ketiga GP Valencia, Sabtu (8/11/2014):
1. Marc Marquez ESP Repsol Honda Team (RC213V) 1m 30.950s [Lap 10/18] 328km/h (Top Speed)
2. Pol Espargaro ESP Monster Yamaha Tech 3 (YZR-M1)* 1m 31.083s +0.133s [18/22] 325km/h
3. Jorge Lorenzo ESP Movistar Yamaha MotoGP (YZR-M1) 1m 31.146s +0.196s [16/20] 323km/h
4. Andrea Iannone ITA Pramac Racing (Desmosedici) 1m 31.148s +0.198s [18/20] 328km/h
5. Andrea Dovizioso ITA Ducati Team (Desmosedici) 1m 31.159s +0.209s [17/19] 331km/h
6. Dani Pedrosa ESP Repsol Honda Team (RC213V) 1m 31.259s +0.309s [22/23] 327km/h
7. Valentino Rossi ITA Movistar Yamaha MotoGP (YZR-M1) 1m 31.318s +0.368s [19/22] 324km/h
8. Aleix Espargaro ESP NGM Forward Racing (Forward Yamaha) 1m 31.389s +0.439s [14/20] 318km/h
9. Cal Crutchlow GBR Ducati Team (Desmosedici) 1m 31.408s +0.458s [19/20] 328km/h
10. Bradley Smith GBR Monster Yamaha Tech 3 (YZR-M1) 1m 31.469s +0.519s [21/24] 325km/h
11. Stefan Bradl GER LCR Honda MotoGP (RC213V) 1m 31.499s +0.549s [18/22] 326km/h
12. Yonny Hernandez COL Pramac Racing (Desmosedici) 1m 31.859s +0.909s [18/19] 321km/h
13. Alvaro Bautista ESP Go&Fun Honda Gresini (RC213V) 1m 32.112s +1.162s [15/22] 325km/h
14. Michele Pirro ITA Ducati Team (Desmosedici) 1m 32.152s +1.202s [15/18] 325km/h
15. Alex De Angelis RSM NGM Forward Racing (Forward Yamaha) 1m 32.169s +1.219s [16/20] 317km/h
16. Hector Barbera ESP Avintia Racing (Desmosedici) 1m 32.374s +1.424s [14/17] 324km/h
17. Hiroshi Aoyama JPN Drive M7 Aspar (RC213V-RS) 1m 32.513s +1.563s [5/10] 322km/h
18. Karel Abraham CZE Cardion AB Motoracing (RCV1000R) 1m 32.585s +1.635s [19/19] 311km/h
19. Nicky Hayden USA Drive M7 Aspar (RCV1000R) 1m 32.591s +1.641s [18/18] 310km/h
20. Randy De Puniet FRA Team Suzuki MotoGP (GSX-RR) 1m 32.611s +1.661s [18/18] 307km/h
21. Scott Redding GBR Go&Fun Honda Gresini (RCV1000R)* 1m 32.626s +1.676s [18/18] 308km/h
22. Danilo Petrucci ITA IodaRacing Project (ART) 1m 33.375s +2.425s [10/15] 311km/h
23. Michael Laverty GBR Paul Bird Motorsport (PBM-ART) 1m 33.795s +2.845s [8/18] 310km/h
24. Mike Di Meglio FRA Avintia Racing (Avintia)* 1m 34.236s +3.286s [15/19] 307km/h
25. Broc Parkes AUS Paul Bird Motorsport (PBM-ART)* 1m 34.304s +3.354s [17/18] 306km/h
Top 10 - Combined practice times:
1. Marc Marquez ESP Repsol Honda Team (RC213V)
2. Pol Espargaro ESP Monster Yamaha Tech 3 (YZR-M1)
3. Jorge Lorenzo ESP Yamaha Factory Racing (YZR-M1)
4. Andrea Iannone ITA Pramac Racing (Desmosedici)
5. Andrea Dovizioso ITA Ducati Team (Desmosedici)
6. Dani Pedrosa ESP Repsol Honda Team (RC213V)
7. Valentino Rossi ITA Yamaha Factory Racing (YZR-M1)
8. Aleix Espargaro ESP NGM Forward Racing (Forward Yamaha)
9. Cal Crutchlow GBR Ducati Team (Desmosedici)
10. Bradley Smith GBR Monster Yamaha Tech 3 (YZR-M1)
Fastest Friday time:
Marc Marquez SPA Honda 1m 31.296s (FP1)
Official Valencia MotoGP records:
Best lap:
Marc Marquez SPA Honda 1m 30.237s (2013)
Fastest race lap:
Dani Pedrosa SPA Honda 1m 31.628s (2013)