The Endurance Series Add-on for Motorsport Manager has 6 achievements.
Win the IEC-A championship with each of the three ERS types
Win an endurance racing with only 2 drivers having driven
Win the IEC-A
Get promoted to the IEC-A as the Sangju Tigers
Win an endurance race after being at least 120 seconds behind the leader in IEC-A
Finish a race with a driver in the danger zone