Berikut hasil FP1 WSBK di Sirkuit Buriram Thailand, Jumat (15/3/2019) yang dirangkum BolaSport.com dari laman resmi WSBK.
| Pos | Pembalap | Tim | Waktu Tercepat |
| 1 | Alvaro Bautista | Ducati | 1'33.089 |
| 2 | Jonathan Rea | Kawasaki | 1'33.288 |
| 3 | Michael van der Mark | Pata Yamaha | 1'33.911 |
| 4 | Marco Melandri | GRT Yamaha | 1'34.025 |
| 5 | Tom Sykes | BMW | 1'34.029 |
| 6 | Alex Lowes | Pata Yamaha | 1'34.150 |
| 7 | Sandro Cortese | GRT Yamaha | 1'34.189 |
| 8 | Chaz Davies | Ducati | 1'34.244 |
| 9 | Eugene Laverty | GoEleven Ducati | 1'34.291 |
| 10 | Leon Haslam | Kawasaki | 1'34.556 |
| 11 | Jordi Torres | Pedercini Kawasaki | 1'34.741 |
| 12 | Leon Camier | Althea Honda | 1'34.853 |
| 13 | Markus Reiterberger | BMW | 1'34.933 |
| 14 | Ryuichi Kiyonari | Althea Honda | 1'34.967 |
| 15 | Leandro Mercado | Orelac Kawasaki | 1'35.199 |
| 16 | Toprak Razgatlıoglu | Puccetti Kawasaki | 1'35.208 |
| 17 | Michael Ruben Rinaldi | Barni Ducati | 1'35.688 |
| 18 | Thitipong Warokorn | Kawasaki Thailand | 1'35.927 |
| 19 | Alessandro Delbianco | Althea Honda | 1'36.972 |