Aleix Espargaro z czasem 1:58’254 ustanawia najszybszy czas sesji podczas trzeciego treningu wolnego do GP Wielkiej Brytanii. Pierwszą piątkę zamyka Martin, Miler, Zarco i Vinales.
Bezpośredniego awansu do Q2 nie uzyskali kolejno Bezzecchi, Bastianini, Morbidelli, Oliveira, Alex Marquez, Di Giannantonio, Pol Espargaro, Dovizioso, Binder, Nakagami, Gardner oraz Stefan Bradl.
| POS | RIDER | NAT | TEAM | TIME/DIFF | LAP | MAX | |
| 1 | ^4 | Aleix Espargaro | SPA | Aprilia Racing (RS-GP) | 1’58.254s | 10/14 | 338k |
| 2 | ^11 | Jorge Martin | SPA | Pramac Ducati (GP22) | +0.028s | 17/17 | 336k |
| 3 | ^6 | Jack Miller | AUS | Ducati Lenovo (GP22) | +0.078s | 9/14 | 338k |
| 4 | = | Johann Zarco | FRA | Pramac Ducati (GP22) | +0.090s | 14/16 | 336k |
| 5 | ˅2 | Maverick Viñales | SPA | Aprilia Racing (RS-GP) | +0.321s | 14/15 | 335k |
| 6 | ˅5 | Fabio Quartararo | FRA | Monster Yamaha (YZR-M1) | +0.365s | 15/16 | 331k |
| 7 | ^4 | Francesco Bagnaia | ITA | Ducati Lenovo (GP22) | +0.371s | 15/16 | 339k |
| 8 | ˅6 | Joan Mir | SPA | Suzuki Ecstar (GSX-RR) | +0.403s | 16/17 | 333k |
| 9 | ^3 | Luca Marini | ITA | Mooney VR46 Ducati (GP22) | +0.409s | 15/17 | 334k |
| 10 | ˅3 | Alex Rins | SPA | Suzuki Ecstar (GSX-RR) | +0.475s | 14/16 | 333k |
| 11 | ˅1 | Marco Bezzecchi | ITA | Mooney VR46 Ducati (GP21)* | +0.657s | 16/18 | 336k |
| 12 | ˅4 | Enea Bastianini | ITA | Gresini Ducati (GP21) | +0.673s | 15/15 | 338k |
| 13 | ^7 | Franco Morbidelli | ITA | Monster Yamaha (YZR-M1) | +0.752s | 12/13 | 333k |
| 14 | ˅8 | Miguel Oliveira | POR | Red Bull KTM (RC16) | +0.812s | 16/17 | 332k |
| 15 | ˅1 | Alex Marquez | SPA | LCR Honda (RC213V) | +0.856s | 15/18 | 332k |
| 16 | = | Pol Espargaro | SPA | Repsol Honda (RC213V) | +0.971s | 14/16 | 335k |
| 17 | ^2 | Andrea Dovizioso | ITA | WithU Yamaha RNF (YZR-M1) | +0.986s | 17/18 | 330k |
| 18 | ˅1 | Fabio Di Giannantonio | ITA | Gresini Ducati (GP21)* | +1.231s | 12/16 | 336k |
| 19 | ^2 | Brad Binder | RSA | Red Bull KTM (RC16) | +1.277s | 15/16 | 331k |
| 20 | ˅2 | Takaaki Nakagami | JPN | LCR Honda (RC213V) | +1.369s | 12/15 | 332k |
| 21 | ^1 | Remy Gardner | AUS | KTM Tech3 (RC16)* | +1.395s | 15/15 | 331k |
| 22 | ˅7 | Stefan Bradl | GER | Repsol Honda (RC213V) | +1.561s | 16/18 | 332k |
| 23 | ^1 | Raul Fernandez | SPA | KTM Tech3 (RC16)* | +1.811s | 9/14 | 331k |
| 24 | ˅1 | Darryn Binder | RSA | WithU Yamaha RNF (YZR-M1)* | +2.385s | 11/15 | 329k |