Last one took place in v. 3.2.
Stages 1 to 5:
http://myrealracing.club/thread/9265/endurance-gauntlet-day-1
http://myrealracing.club/thread/9266/endurance-gauntlet-day-2
http://myrealracing.club/thread/9280/endurance-gauntlet-day-3
http://myrealracing.club/thread/9299/endurance-gauntlet-day-4
http://myrealracing.club/thread/9298/endurance-gaunlet-day-5