In an aircraft with an approach speed of 50 kt ( 1.3 x 38 Vso) at full gross, consider that 65 kt = 1.7 Vso.
Landing at 65 kt gives you 70% more kinetic energy to be dissipated by the brakes (with small assists from drag and rolling resistance).
In a healthy 15 kt wind, your groundspeed over the threshold would be 50 and reasonable for the runway in question.
But zero wind combined with a 65 kt approach will have you getting intimate with the other end of the runway - 70% more KE
Flying by yourself with some 2 hours of gas will have you well below gross weight.
I leave it as an exercise for you to calculate:
Square root (LW/MG) x 50 kt
Where:
LW - Landing Weight
MG - Maximum Gross Weight
to determine a zero wind approach speed corrected for weight.