Juara bertahan Jorge Lorenzo mengawali hari Sabtu dengan sangat baik setelah jadi yang tercepat di sesi free practice ketiga. Rider bernomor 99 tersebut mencatatkan waktu terbaik 1 menit 54,791 detik.
Di urutan kedua ada pemenang seri Austria lalu Andrea Iannone yang lebih lambat 0,7 detik dari Lorenzo. Sementara itu Marc Marquez melengkapi posisi tiga besar di sesi free practice ketiga MotoGP Brno.
Sepulu rider yakni Lorenzo, Iannone, Marquez, Vinales, Rossi, A.Espargaro, Dovizioso, Barbera, P.Espargaro dan Crutchlow akan lolos ke sesi kualifikasi kedua.
Hasil Free Practice 3 MotoGP Brno
1. Jorge Lorenzo ESP Movistar Yamaha MotoGP (YZR-M1) 1m 54.791s [Lap 13/15] 310km/h (Top Speed)
2. Andrea Iannone ITA Ducati Team (Desmosedici GP) 1m 55.535s +0.744s [15/15] 312km/h
3. Marc Marquez ESP Repsol Honda Team (RC213V) 1m 55.562s +0.771s [16/18] 308km/h
4. Maverick Viñales ESP Team Suzuki Ecstar (GSX-RR) 1m 55.604s +0.813s [13/17] 309km/h
5. Valentino Rossi ITA Movistar Yamaha MotoGP (YZR-M1) 1m 55.708s +0.917s [16/18] 309km/h
6. Aleix Espargaro ESP Team Suzuki Ecstar (GSX-RR) 1m 55.793s +1.002s [16/17] 306km/h
7. Andrea Dovizioso ITA Ducati Team (Desmosedici GP) 1m 56.051s +1.260s [16/18] 312km/h
8. Pol Espargaro ESP Monster Yamaha Tech 3 (YZR-M1) 1m 56.143s +1.352s [18/19] 309km/h
9. Cal Crutchlow GBR LCR Honda (RC213V) 1m 56.161s +1.370s [14/17] 308km/h
10. Scott Redding GBR Octo Pramac Yakhnich (Desmosedici GP15) 1m 56.332s +1.541s [15/15] 305km/h
11. Dani Pedrosa ESP Repsol Honda Team (RC213V) 1m 56.405s +1.614s [12/15] 311km/h
12. Danilo Petrucci ITA Octo Pramac Yakhnich (Desmosedici GP15) 1m 56.551s +1.760s [18/18] 310km/h
13. Bradley Smith GBR Monster Yamaha Tech 3 (YZR-M1) 1m 56.656s +1.865s [16/19] 307km/h
14. Alvaro Bautista ESP Factory Aprilia Gresini (RS-GP) 1m 56.845s +2.054s [15/17] 307km/h
15. Stefan Bradl GER Factory Aprilia Gresini (RS-GP) 1m 57.015s +2.224s [16/16] 308km/h
16. Eugene Laverty IRL Aspar MotoGP Team (Desmosedici GP14.2) 1m 57.202s +2.411s [11/12] 310km/h
17. Yonny Hernandez COL Aspar MotoGP Team (Desmosedici GP14.2) 1m 57.443s +2.652s [11/13] 307km/h
18. Hector Barbera ESP Avintia Racing (Desmosedici GP14.2) 1m 57.526s +2.735s [8/14] 309km/h
19. Tito Rabat ESP Estrella Galicia 0,0 Marc VDS (RC213V)* 1m 57.815s +3.024s [20/20] 307km/h
20. Loris Baz FRA Avintia Racing (Desmosedici GP14.2) 1m 58.144s +3.353s [3/12] 303km/h