The Le Mans Prototype 2 (LMP2) category was won by the Signatech Alpine of Gustavo Menezes, Nicolas Lapierre and Stéphane Richelmi with Ricardo González, Filipe Albuquerque and Bruno Senna in RGR Sport's No.
51 AF Corse Ferrari took the victory in the Le Mans Grand Touring Endurance Professional (LMGTE Pro) class with Sam Bird and Davide Rigon in the sister No.
The Le Mans Grand Touring Endurance Amateur (LMGTE Am) category was won by Pedro Lamy, Mathias Lauda and Paul Dalla Lana after they led the final 48 laps of the race to secure their second victory of the season, ahead of the No.
The result meant Lieb, Jani and Romain Dumas maintained their Drivers' Championship lead with 106 points, 33 ahead of second-place finishers Duval, di Grassi and Jarvis, and a further three in front of Stéphane Sarrazin, Mike Conway and Kamui Kobayashi.
Porsche remained in the lead of the Manufacturers' Championship but their advantage over Audi was reduced by two points and Toyota maintained third position with five races left in the season.
[1] Audi driver Benoît Tréluyer was forced to miss the race because of a spinal column injury he sustained after falling off his mountain bike in a training exercise.
[4] Renault Sport Trophy competitor Lewis Williamson made his début appearance in the World Endurance Championship with Strakka Racing in its No.
42 Gibson 015S alongside Nick Leventis and Jonny Kane, replacing Danny Watts who remained part of the team for the rest of the year.
[13] Because of the track's short and tight layout, Toyota elected to début an ultra-high downforce specification along with updates to the car's front and rear bodywork developed at the team's wind tunnel at their motor sport headquarters in Cologne.
[14] In the Balance of Performance adjustments, the Porsche 911 RSR's weight was decreased by 15 kilograms (33 lb) and its engine power was lowered due to the vehicle's air restrictor being reduced in size by two millimetres (0.079 in).
[18][19] In the second practice session, which took place in mild weather conditions and was later affected by rain on portions of the track, Mark Webber in the No.
[29] Davidson attributed his car's position to having one timed lap and being delayed by traffic, while Sébastien Buemi stated this was due to Toyota focusing on the race, compromising their qualifying performance.
26 G-Drive Oreca of Rast and Rusinov took the fastest time at 1 minute and 48,985 seconds, securing the team's fourth consecutive class pole position of the season.
97 Aston Martin, were the fastest LMGTE Pro qualifiers with a late two-lap average of two minutes and 1.712 seconds which was recorded when the track was at its driest.
[34] The race started at 13:00 Central European Summer Time (UTC+02:00) with the three-time Olympic gold medallist skier Maria Höfl-Riesch having the honour of waving the green flag.
[37] Mücke lost the LMGTE Pro lead at the beginning of lap two when he made an error, allowing both Aston Martin cars to overtake him.
Bernard caught Fässler, who was held up by one of the Aston Martin cars in the final turn, and temporarily claimed the lead in the first corner before running wide.
[37] Jani attempted to move in front by going around the inside of Jarvis, but after driving back onto the racing line heading into the first turn, locked his tyres.
[37][36] In the battle for first Fässler held off another challenge from Bernhard,[37] while Jani rejoined the track in fourth place narrowly ahead of Nakajima in the No.
The contest for second in LMGTE Pro continued with the top four cars running closely together without any action until Tincknell overtook Bruni around the inside for fourth position at the first corner.
[36] The stewards elected not to take any action over the collision between Jani and Mücke at turn one, and Filipe Albuquerque overtook Nicolas Minassian for fifth position in LMP2.
Christian Ried overtook Yutaka Yamagishi for the LMGTE Am lead in the first corner before Mathias Lauda claimed the position on the following lap.
[37][40] The overall leaders made pit stops after two hours and 30 minutes which saw the deployment of the second full course yellow when one of the Toyota's dive planes was located in the sixth corner.
Jani held a ten-second lead over Bernhard as the race entered its halfway mark and the chance of rain decreased significantly.
Thiim was overtaken by Bruni for the LMGTE Pro lead, while Hartley reduced the time deficit to teammate Lieb to eleven seconds.
2 Porsche was shown a black and orange flag, requiring it to make a pit stop for repairs to its left-rear corner, and reemerged in fourth position.
[42] Upon taking the lead from KCMG and holding it for the last 48 laps,[43] Lamy, Lauda and Dalla Lana clinched Aston Martin's second victory in LMGTE Am, ahead of Perrodo, Collard and Agias in the No.
Bernhard said the victory was "especially sweet" because Porsche's success was "hard fought" and it helped reduce the effect of his teammates poor form in the season's first three races.
[44] The result meant Lieb, Jani and Dumas maintained their lead in the Drivers' Championship with 106 points, 33 ahead of second-place finishers Duval, di Grassi and Jarvis and a further four in front of Kobayashi, Conway and Sarrazin.
[12] Porsche remained in the lead of the Manufacturers' Championship on 164 points, 35 in front of their nearest rival Audi in second, and a further 32 ahead of Toyota with five races left in the season.