The fight between the young Spanish drivers continued during this warm up with the advantage for Aron Canet ahead of Jorge Martin, Albert Arenas, Juanfran Guevara and Nicolo Bulega.
| #SpanishGP Moto3 | 2016 | 2017 |
| FP1 | 1'47.241 Brad Binder | 2'01.000 Jakub Kornfeil |
| FP2 | 1'47.119 Brad Binder | 1'49.564 Joan Mir |
| FP3 | 1'46.575 Brad Binder | 1'46.513 Jorge Martin |
| Qualification | 1'46.223 Nicolo Bulega | 1'46.004 Jorge Martin |
| Warm Up | 1'48.435 Brad Binder | 1'47.384 Aron Canet |
| Course | Binder, Bulega, Bagnaia | |
| All time lap record | 1'46.173 Jack Miller 2014 |
For this fourth warm up session of the year, the air temperature was 14° and that of the track 18°. The sun was shining and the wind speed was zero. The main absentee was Philipp Ottl, who broke his collarbone during testing and was hoping to have surgery today. Here is the x-ray of his broken collarbone:
Albert Arenas dominated the first half of this warm up session, in 1'44.771. John mcphee, who injured his left little finger during practice, crashed in turn 9. Aron canet then took first position in 1'47.561. Darryn Binder fell without gravity in the fast turn 4.
Aron Canet gradually picked up the pace in 1'47.413, 0.1 ahead of Jorge Martin and Albert Arenas, 0.2 ahead Juanfran Guevara and 0.5 ahead of Nicolo Bulega. Maria Herrera fell without seriousness, but apparently with some pain in her right knee.
Aron Canet finished this warm up in first position in 1'47.384 ahead of Jorge Martin, Albert Arenas, Juanfran Guevara and Nicolo Bulega. Jules Danilo honestly ranked twelfth.
Warm up results :
| 1 | 44 | Aron CANET | SPA | Galicia Star 0,0 | Honda | 212.2 | 1'47.384 | |
| 2 | 88 | Jorge MARTIN | SPA | Del Conca Gresini Moto3 | Honda | 214.2 | 1'47.553 | 0.169 / 0.169 |
| 3 | 75 | Albert ARENAS | SPA | Mahindra Northgate Aspar | Mahindra | 213.4 | 1'47.561 | 0.177 / 0.008 |
| 4 | 58 | Juanfran GUEVARA | SPA | RBA BOE Racing Team | KTM | 213.6 | 1'47.699 | 0.315 / 0.138 |
| 5 | 8 | Nicolo BULEGA | ITA | Sky Racing Team VR46 | KTM | 214.8 | 1'47.763 | 0.379 / 0.064 |
| 6 | 71 | Ayumu SASAKI | JPN | SIC Racing Team | Honda | 213.6 | 1'47.804 | 0.420 / 0.041 |
| 7 | 33 | Enea BASTIANINI | ITA | Galicia Star 0,0 | Honda | 211.5 | 1'47.890 | 0.506 / 0.086 |
| 8 | 5 | Romano FENATI | ITA | Marinelli Rivacold Snipers | Honda | 210.6 | 1'47.952 | 0.568 / 0.062 |
| 9 | 17 | John MCPHEE | GBR | British Talent Team | Honda | 212.5 | 1'48.009 | 0.625 / 0.057 |
| 10 | 36 | Joan Mir | SPA | Leopard Racing | Honda | 215.9 | 1'48.022 | 0.638 / 0.013 |
Reference times:
Test record: 1'46.173 by Jack Miller (KTM) in 2014
Lap record: 1'46.723 by Brad Binder (KTM) in 2015
Top speed: 220,0 km/h for Alex Marquez (Honda) in 2014
Provisional ranking of the World Championship:
1 Joan MIR-Honda 58 points
2 Jorge MARTIN-Honda 52
3 John MCPHEE-Honda 49
4 Romano FENATI-Honda 45
5 Andrea MIGNO-KTM 25
6 Fabio DI GIANNANTONIO-Honda 24
7 Philipp OETTL-KTM 20
8 Aron CANET-Honda 18
9 Juanfran GUEVARA-KTM 17
10 Livio LOI-Honda 15
… 21 Jules DANILO-Honda 3
