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Maverick Vinales mengungguli rekan satu timnya di Yamaha Valentino Rossi, dengan merebut posisi pertama dalam latihan bebas pertama MotoGP Inggris 2018, sementara itu Marc Marquez terjatuh dalam latihan bebas tersebut.
Berikut hasil lengkap FP1 MotoGP Silverstone 2018:
| Pos | Rider | Team | Bike | Time | Gap | Laps |
|---|---|---|---|---|---|---|
| 1 | Maverick Vinales | Yamaha | Yamaha | 2m02.073s | – | 16 |
| 2 | Valentino Rossi | Yamaha | Yamaha | 2m02.262s | 0.189s | 16 |
| 3 | Andrea Dovizioso | Ducati | Ducati | 2m02.263s | 0.190s | 15 |
| 4 | Cal Crutchlow | LCR Honda | Honda | 2m02.401s | 0.328s | 17 |
| 5 | Jack Miller | Pramac Ducati | Ducati | 2m02.973s | 0.900s | 16 |
| 6 | Jorge Lorenzo | Ducati | Ducati | 2m03.115s | 1.042s | 14 |
| 7 | Tito Rabat | Avintia Ducati | Ducati | 2m03.136s | 1.063s | 17 |
| 8 | Andrea Iannone | Suzuki | Suzuki | 2m03.207s | 1.134s | 17 |
| 9 | Johann Zarco | Tech3 Yamaha | Yamaha | 2m03.243s | 1.170s | 16 |
| 10 | Marc Marquez | Honda | Honda | 2m03.699s | 1.626s | 16 |
| 11 | Alvaro Bautista | Aspar Ducati | Ducati | 2m03.886s | 1.813s | 15 |
| 12 | Bradley Smith | KTM | KTM | 2m04.013s | 1.940s | 15 |
| 13 | Aleix Espargaro | Aprilia | Aprilia | 2m04.105s | 2.032s | 13 |
| 14 | Takaaki Nakagami | LCR Honda | Honda | 2m04.112s | 2.039s | 15 |
| 15 | Danilo Petrucci | Pramac Ducati | Ducati | 2m04.170s | 2.097s | 16 |
| 16 | Alex Rins | Suzuki | Suzuki | 2m04.567s | 2.494s | 17 |
| 17 | Dani Pedrosa | Honda | Honda | 2m04.601s | 2.528s | 16 |
| 18 | Scott Redding | Aprilia | Aprilia | 2m04.966s | 2.893s | 15 |
| 19 | Thomas Luthi | MVDS Honda | Honda | 2m05.013s | 2.940s | 17 |
| 20 | Franco Morbidelli | MVDS Honda | Honda | 2m05.146s | 3.073s | 15 |
| 21 | Karel Abraham | Aspar Ducati | Ducati | 2m05.389s | 3.316s | 13 |
| 22 | Hafizh Syahrin | Tech3 Yamaha | Yamaha | 2m05.448s | 3.375s | 17 |
| 23 | Xavier Simeon | Avintia Ducati | Ducati | 2m06.214s | 4.141s | 13 |
| 24 | Loris Baz | KTM | KTM | 2m06.731s | 4.658s | 18 |