Moto3 2018 Austin
| Cla | # | Piloto | Moto | Tempo | Diferença | km/h | |
|---|---|---|---|---|---|---|---|
| 1 | 88 |  Jorge Martin | Honda | 2'18.629 | 143.164 | ||
| 2 | 44 | Aron Canet | Honda | 2'19.125 | 0.496 | 142.654 | |
| 3 | 17 |  John McPhee | KTM | 2'19.421 | 0.792 | 142.351 | |
| 4 | 24 |  Tatsuki Suzuki | Honda | 2'19.428 | 0.799 | 142.344 | |
| 5 | 21 |  Fabio Di Giannantonio | Honda | 2'19.497 | 0.868 | 142.274 | |
| 6 | 33 | Enea Bastianini | Honda | 2'19.577 | 0.948 | 142.192 | |
| 7 | 10 | Dennis Foggia | KTM | 2'19.588 | 0.959 | 142.181 | |
| 8 | 71 | Ayumu Sasaki | Honda | 2'19.640 | 1.011 | 142.128 | |
| 9 | 12 | Marco Bezzecchi | KTM | 2'19.684 | 1.055 | 142.083 | |
| 10 | 5 | Jaume Masia | KTM | 2'19.808 | 1.179 | 141.957 | |
| 11 | 65 |  Philipp Ottl | KTM | 2'19.816 | 1.187 | 141.949 | |
| 12 | 19 |  Gabriel Rodrigo | KTM | 2'19.850 | 1.221 | 141.914 | |
| 13 | 41 |  Nakarin Atiratphuvapat | Honda | 2'19.970 | 1.341 | 141.793 | |
| 14 | 42 | Marcos Ramírez | KTM | 2'20.002 | 1.373 | 141.760 | |
| 15 | 40 |  Darryn Binder | KTM | 2'20.027 | 1.398 | 141.735 | |
| 16 | 16 | Andrea Migno | KTM | 2'20.257 | 1.628 | 141.503 | |
| 17 | 48 | Lorenzo Porta | Honda | 2'20.323 | 1.694 | 141.436 | |
| 18 | 76 |  Makar Yurchenko | KTM | 2'20.366 | 1.737 | 141.393 | |
| 19 | 23 | Niccolò Antonelli | Honda | 2'20.380 | 1.751 | 141.379 | |
| 20 | 14 | Tony Arbolino | Honda | 2'20.485 | 1.856 | 141.273 | |
| 21 | 84 |  Jakub Kornfeil | KTM | 2'20.824 | 2.195 | 140.933 | |
| 22 | 72 | Alonso Lopez | Honda | 2'20.917 | 2.288 | 140.840 | |
| 23 | 8 | Nicolò Bulega | KTM | 2'20.965 | 2.336 | 140.792 | |
| 24 | 75 | Albert Arenas | KTM | 2'21.021 | 2.392 | 140.736 | |
| 25 | 7 |  Adam Norrodin | Honda | 2'21.167 | 2.538 | 140.590 | |
| 26 | 11 |  Livio Loi | KTM | 2'21.279 | 2.650 | 140.479 | |
| 27 | 22 | Kazuki Masaki | KTM | 2'22.820 | 4.191 | 138.963 | |
| 28 | 27 | Kaito Toba | Honda | 2'23.083 | 4.454 | 138.708 |
