Maverick Vinales leads the Le Mans opening practice session after set 1'45.018 on his best lap.
Alex Rins marked 1'45.560 on his best lap and put him on the second fastest rider of the session.
Aspar's Jonas Folger on third fastest by 1'45.739
1 Maverick VIÑALES Team Calvo 1'45.018
2 Alex RINS Estrella Galicia 0,0 1'45.560
3 Jonas FOLGER Mapfre Aspar Team Moto3 1'45.739
4 Luis SALOM Red Bull KTM Ajo 1'45.902
5 Niccolò ANTONELLI GO&FUN Gresini Moto3 1'46.382
6 Niklas AJO Avant Tecno 1'46.442
7 Romano FENATI San Carlo Team Italia 1'46.545
8 Jakub KORNFEIL Redox RW Racing GP 1'46.571
9 Zulfahmi KHAIRUDDIN Red Bull KTM Ajo 1'46.594
10 Danny WEBB Ambrogio Racing 1'46.679
11 Alex MARQUEZ Estrella Galicia 0,0 1'46.796
12 Isaac VIÑALES Ongetta-Centro Seta 1'46.903
13 Miguel OLIVEIRA Mahindra Racing 1'46.994
14 Alexis MASBOU Ongetta-Rivacold 1'47.019
15 Brad BINDER Ambrogio Racing 1'47.138
16 Matteo FERRARI Ongetta-Centro Seta 1'47.449
17 Alan TECHER CIP Moto3 1'47.527
18 Jack MILLER Caretta Technology - RTG 1'47.739
19 Arthur SISSIS Red Bull KTM Ajo 1'47.836
20 Alessandro TONUCCI La Fonte Tascaracing 1'47.882
21 Eric GRANADO Mapfre Aspar Team Moto3 1'47.924
22 Francesco BAGNAIA San Carlo Team Italia 1'48.244
23 Livio LOI Marc VDS Racing Team 1'48.259
24 Philipp OETTL Tec Interwetten Moto3 Racing 1'48.287
25 John McPHEE Caretta Technology - RTG 1'48.575
26 Jules DANILO Marc VDS Racing Team 1'48.601
27 Ana CARRASCO Team Calvo 1'48.856
28 Lorenzo BALDASSARRI GO&FUN Gresini Moto3 1'48.965
29 Toni FINSTERBUSCH Kiefer Racing 1'49.074
30 Christophe ARCIERO ARC 1'49.572
31 Jasper IWEMA RW Racing GP 1'50.046
32 Juanfran GUEVARA CIP Moto3 1'50.118
33 Efren VAZQUEZ Mahindra Racing 1'50.231
34 Hyuga WATANABE La Fonte Tascaracing 1'50.667
35 Florian ALT Kiefer Racing 1'51.052