Marc Marquez miał najszybszy czas pierwszego piątkowego treningu MotoGP na torze w Walencji. Hiszpański zawodnik o niespełna 0.2s pokonał Jorge Lorenzo. Trzeci był Dani Pedrosa, a więc „gospodarze” zajęli całe TOP3 w FP1. Valentino Rossi uzyskał piąty wynik, przegrywając jeszcze z Andreą Dovizioso. W treningu wzięło udział 26 motocyklistów.
1. Marc Marquez ESP Repsol Honda Team (RC213V) 1m 31.250s [Lap 17/20] 328km/h (Pr. maks)
2. Jorge Lorenzo ESP Movistar Yamaha MotoGP (YZR-M1) 1m 31.434s +0.184s [10/17] 321km/h
3. Dani Pedrosa ESP Repsol Honda Team (RC213V) 1m 31.553s +0.303s [10/19] 331km/h
4. Andrea Dovizioso ITA Ducati Team (Desmosedici GP15) 1m 31.642s +0.392s [17/17] 329km/h
5. Valentino Rossi ITA Movistar Yamaha MotoGP (YZR-M1) 1m 31.665s +0.415s [21/21] 318km/h
6. Pol Espargaro ESP Monster Yamaha Tech 3 (YZR-M1) 1m 31.892s +0.642s [17/20] 322km/h
7. Andrea Iannone ITA Ducati Team (Desmosedici GP15) 1m 32.192s +0.942s [19/20] 332km/h
8. Cal Crutchlow GBR LCR Honda (RC213V) 1m 32.260s +1.010s [18/19] 321km/h
9. Aleix Espargaro ESP Team Suzuki Ecstar (GSX-RR) 1m 32.359s +1.109s [5/19] 317km/h
10. Yonny Hernandez COL Octo Pramac Racing (Desmosedici GP14.2) 1m 32.412s +1.162s [16/18] 325km/h
11. Stefan Bradl GER Factory Aprilia Gresini (RS-GP) 1m 32.514s +1.264s [15/19] 316km/h
12. Danilo Petrucci ITA Octo Pramac Racing (Desmosedici GP14.2) 1m 32.574s +1.324s [18/21] 321km/h
13. Michele Pirro ITA Ducati Team (Desmosedici GP15) 1m 32.724s +1.474s [16/19] 328km/h
14. Alvaro Bautista ESP Factory Aprilia Gresini (RS-GP) 1m 32.725s +1.475s [16/18] 315km/h
15. Mike Di Meglio FRA Avintia Racing (Desmosedici GP14 Open) 1m 32.797s +1.547s [14/17] 316km/h
16. Maverick Viñales ESP Team Suzuki Ecstar (GSX-RR)* 1m 32.801s +1.551s [9/16] 316km/h
17. Bradley Smith GBR Monster Yamaha Tech 3 (YZR-M1) 1m 32.841s +1.591s [19/21] 321km/h
18. Hector Barbera ESP Avintia Racing (Desmosedici GP14 Open) 1m 32.927s +1.677s [13/15] 321km/h
19. Nicky Hayden USA Aspar MotoGP Team (RC213V-RS) 1m 32.978s +1.728s [17/19] 311km/h
20. Jack Miller AUS LCR Honda (RC213V-RS)* 1m 33.049s +1.799s [14/19] 317km/h
21. Eugene Laverty IRL Aspar MotoGP Team (RC213V-RS)* 1m 33.097s +1.847s [17/22] 311km/h
22. Scott Redding GBR Estrella Galicia 0,0 Marc VDS (RC213V) 1m 33.143s +1.893s [17/19] 319km/h
23. Loris Baz FRA Forward Racing (Forward Yamaha)* 1m 33.211s +1.961s [15/18] 309km/h
24. Toni Elias SPA Forward Racing (Forward Yamaha) 1m 33.657s +2.407s [21/21] 318km/h
25. Anthony West AUS AB Motoracing (RC213V-RS) 1m 33.837s +2.587s [18/20] 312km/h
26. Broc Parkes AUS E-Motion IodaRacing (ART) 1m 35.290s +4.040s [15/17] 304km/h