hours, influencing changes in vehicle behaviour and requiring drivers and teams to adapt to the new conditions. At the start, Senna overtook Buemi and briefly passed Conway through turn one. Conway retained the lead by braking later into Dunlop turn. Senna refocused on holding second place from Buemi as Bruni fell to fourth in LMGTE Pro when Calado, and Aston Martin's Lynn and Thiim overtook him. Buemi passed Senna on lap nine because of a shorter first pit stop as a result of Toyota overfilling their cars with fuel. He relinquished second to Senna when he was required to make an extra pit stop to replace a left-rear puncture five laps later, putting Conway 40 seconds ahead of Buemi and promoting Berthon to third. After 20 minutes, Oswaldo Negri Jr. lost control of the No. 61 Luzich car under braking in the entry to Dunlop corner, causing Thomas Preining driving the No. 88 Dempsey-Proton Porsche to swerve to avoid the spinning Ferrari, drive onto the grass and backed into the outside tyre barrier. The damage to the Dempsey-Proton Porsche necessitated its removal from the side of the track to behind the barrier before Preining was able to drive it to the pit lane. At the conclusion of the opening hour, both Toyotas were faster than the Rebellion cars per lap, although Senna had set the overall fastest lap on lap four. The LMGTE Pro lead became a multi-car battle between representatives of Aston Martin and Ferrari, with the lead changing several times over the following hours. Berthon brought the No. 3 Rebellion car into the pit lane for an engine bodywork switch, as the divergence between both Toyotas created by the No. 8 car's earlier puncture allowed both to race each other for the overall lead in the second hour when Conway was overtaken by teammate Buemi into the opening section of the Porsche Curves. Conway retook the lead when Buemi made a scheduled pit stop. James Allen's No. 39 Graff car took the lead in LMP2 during the second hour. The team held it until Allen's co-driver Vincent Capillaire lost control of the vehicle in the Porsche Curves and went into the gravel trap three hours and 30 minutes in, falling to eighth in class and forcing Capillaire to make an additional pit stop. Stevens moved through the LMP2 field to take the lead in the No. 37 Jackie