In what was an intriguing hour, Kobayashi (#6 Toyota) crossed the line with a lead of 13s over teammate Anthony Davidson (#5 Toyota)
However the Japanese racer also lost over 25s in the pits as his Toyota pitcrew conducted repairs to the bodywork of the #6 Toyota.
That initially gave the lead to Marc Lieb in the #2 Porsche; only for Lieb to suffer a slow puncture only five laps into his stint, promoting the feisty Davidson to 2nd place.
At the close of the hour, Davidson is clearly the quickest of the leading trio, as temperatures plummet during the night; however it raises questions over Kobayashi, who was at times almost 4s per lap slower than the chasing duo.
Audi took over both 4th and 5th, with the #8 heading the #7 by ten laps, after reliability issues removed the #13 Rebellion from in between the German pairing.
The loss of the Rebellion promoted the LMP2 leading #36 Signatech Alpine to 6th overall, with Nicolas Lapierre heading the #46 Thiriet by TDS Racing by almost 40s. The G-Drive pairing – led by the #26 with Roman Rusinov at the wheel – have secured 3rd and 4th, Danny Watts in the #42 Strakka a long distance behind.
Risi Competizione head the GTE-Pro class, ahead of a pair of Ford GT machines. The #82 Ferrari-powered entry has a gap of several seconds over the #68 Ford GT, while the #69 Ford lost over three minutes in the pits changing brake discs.
In GTE-Am, the #62 Scuderia Corsa leads the #88 Abu Dhabi Racing with Jeffrey Segal and Pat Long at the wheels of the machines respectively.