Course disputée sur le circuit de Twin Ring Motegi
| Position | Numéro | Pilote | Team | Temps | Tours | Points | Départ |
|---|---|---|---|---|---|---|---|
| 1 | 33 | Enea Bastianini | Gresini Racing Team Moto3 | 09:44:33 | 20 | 25 | 3 |
| 2 | 41 | Brad Binder | Red Bull KTM Ajo | 09:44:50 | 20 | 20 | 2 |
| 3 | 8 | Nicolo Bulega | Sky Racing Team Vr46 | 10:51:15 | 20 | 16 | 5 |
| 4 | 65 | Philipp Oettl | Schedl Gp Racing | 11:09:52 | 20 | 13 | 10 |
| 5 | 4 | Fabio Di Giannantonio | Gresini Racing Team Moto3 | 11:29:21 | 20 | 11 | 18 |
| 6 | 21 | Francesco Bagnaia | Aspar Mahindra Team Moto3 | 11:53:32 | 20 | 10 | 12 |
| 7 | 11 | Livio Loi | Rw Racing Gp Bv | 11:53:42 | 20 | 9 | 15 |
| 8 | 20 | Fabio Quartararo | Leopard Racing | 12:03:37 | 20 | 8 | 8 |
| 9 | 36 | Joan Mir | Leopard Racing | 12:12:33 | 20 | 7 | 14 |
| 10 | 23 | Niccolo Antonelli | Ongetta-rivacold | 12:15:10 | 20 | 6 | 7 |
| 11 | 48 | Lorenzo Dalla Porta | Schedl Gp Racing | 13:10:05 | 20 | 5 | 6 |
| 12 | 7 | Adam Norrodin | Drive M7 Sic | 13:29:58 | 20 | 4 | 9 |
| 13 | 84 | Jakub Kornfeil | Drive M7 Sic | 14:58:11 | 20 | 3 | 21 |
| 14 | 12 | Albert Arenas | Mrw Mahindra Aspar Team | 15:38:56 | 20 | 2 | 13 |
| 15 | 24 | Tatsuki Suzuki | Cip-unicom Starker | 15:39:24 | 20 | 1 | 25 |
| 16 | 95 | Jules Danilo | Ongetta-rivacold | 15:46:40 | 20 | 0 | 24 |
| 17 | 42 | Marcos Ramirez | Platinum Bay Real Estate | 19:19:08 | 20 | 0 | 26 |
| 18 | 64 | Bo Bendsneyder | Red Bull KTM Ajo | 20:50:23 | 20 | 0 | 27 |
| 19 | 89 | Khairul Idham Pawi | Honda Team Asia | 20:54:10 | 20 | 0 | 22 |
| 20 | 3 | Fabio Spiranelli | Cip-unicom Starker | 22:44:37 | 20 | 0 | 32 |
| 21 | 77 | Lorenzo Petrarca | Team Italia | 23:22:38 | 20 | 0 | 31 |
| 22 | 40 | Darryn Binder | Platinum Bay Real Estate | 00:20:43 | 20 | 0 | 28 |
| 23 | 6 | Maria Herrera | Mh6 Laglisse | 00:22:35 | 20 | 0 | 30 |
| 24 | 16 | Andrea Migno | Sky Racing Team Vr46 | 07:04:07 | 20 | 0 | 1 |
| 25 | 58 | Juanfran Guevara | Rba Racing Team | 08:32:55 | 20 | 0 | 20 |
| 26 | 13 | Shizuka Okazaki | Uq & Teluru Kohara Rt | 16:44:56 | 20 | 0 | 34 |
| 27 | 88 | Jorge Martin | Aspar Mahindra Team Moto3 | 20:25:55 | 10 | 0 | 23 |
| 28 | 44 | Aron Canet | Estrella Galicia 0,0 | 14:23:58 | 9 | 0 | 17 |
| 29 | 55 | Andrea Locatelli | Leopard Racing | 16:34:09 | 4 | 0 | 29 |
| 30 | 43 | Stefano Valtulini | 3570 Team Italia | 08:04:02 | 3 | 0 | 33 |