Complete the Endurance series of Race Events.

The Endurance series unlocks at level 25. You need to get at least a bronze in every event (including championships) in either A-Spec or B-Spec mode to unlock this trophy. Go back to the GT Life screen to unlock the trophy. Underneath is a list of all the races and the level requirement. Please look in the Race Series Guide for tips about what cars to use.

Grand Valley 300km LV 25
Roadster 4-Hour Endurance LV 26
Laguna Seca 200 Miles LV 27
Indy 500 LV 28
Suzuka 1000km LV 30
Nrburgring 4-Hour Endurance LV 32
Tsukuba 9-Hour Endurance LV 33
24 Hours of Le Mans LV 35
24 Hours of Nrburgring LV 40