 Complete the following phrase:  The 2009  2015 races were shortened due to heavy rains making the track impassable. The 2015 race featured the first time a GT car won overall against the faster prototypes. Rain created a flooded track the entire race causing multiple cautions and a red flag, allowing GTLM cars to leap-frog the prototypes that were struggling for grip in the conditions. Nick Tandy, winner of the 