Pembalap Ducati Andrea Dovizioso, tampil sebagai pemenang pada race penutup MotoGP 2018 di sirkuit Ricardo Tormo Valencia.
Dovizioso melewati Alex Rins dua kali, pertama sebelum bendera merah dikibarkan dan kedua start ulang untuk meraih kemenangan keempatnya musim MotoGP 2018.
Kecelakaan yang menimpa Valentino Rossi membuat posisi ke-3 menjadi milik pembalap KTM Pol Espargaro dan KTM meraih podium pertama mereka di kelas utama.
Berikut hasil lengkap race MotoGP Valencia 2018:
| Pos | Rider | Team | Bike | Laps | Gap |
|---|---|---|---|---|---|
| 1 | Andrea Dovizioso | Ducati | Ducati | 14 | 24m03.408s |
| 2 | Alex Rins | Suzuki | Suzuki | 14 | 2.750s |
| 3 | Pol Espargaro | KTM | KTM | 14 | 7.406s |
| 4 | Michele Pirro | Ducati | Ducati | 14 | 8.647s |
| 5 | Dani Pedrosa | Honda | Honda | 14 | 13.351s |
| 6 | Takaaki Nakagami | LCR Honda | Honda | 14 | 32.288s |
| 7 | Johann Zarco | Tech3 Yamaha | Yamaha | 14 | 32.806s |
| 8 | Bradley Smith | KTM | KTM | 14 | 33.111s |
| 9 | Stefan Bradl | LCR Honda | Honda | 14 | 36.376s |
| 10 | Hafizh Syahrin | Tech3 Yamaha | Yamaha | 14 | 37.198s |
| 11 | Scott Redding | Aprilia | Aprilia | 14 | 44.326s |
| 12 | Jorge Lorenzo | Ducati | Ducati | 14 | 46.146s |
| 13 | Valentino Rossi | Yamaha | Yamaha | 14 | 52.809s |
| 14 | Karel Abraham | Aspar Ducati | Ducati | 14 | 1m10.628s |
| 15 | Jordi Torres | Avintia Ducati | Ducati | 14 | 1m16.739s |
| – | Alvaro Bautista | Aspar Ducati | Ducati | 7 | Retirement |
| – | Jack Miller | Pramac Ducati | Ducati | 0 | Retirement |
| – | Danilo Petrucci | Pramac Ducati | Ducati | 0 | Retirement |
| – | Xavier Simeon | Avintia Ducati | Ducati | 0 | Withdrawn |
| – | Thomas Luthi | MVDS Honda | Honda | 0 | Retirement |
| – | Marc Marquez | Honda | Honda | 0 | Retirement |
| – | Franco Morbidelli | MVDS Honda | Honda | 0 | Retirement |
| – | Maverick Vinales | Yamaha | Yamaha | 0 | Retirement |
| – | Andrea Iannone | Suzuki | Suzuki | 0 | Retirement |
| – | Aleix Espargaro | Aprilia | Aprilia | 0 | Retirement |
