You will build up a tolerance to those seats.
On those endurance rides, though, I would want liner in my pants or something a little more substantial. I like specialized's body geometry line...expensive though.
Turbo: how are the races going...here they are on hold until the fall(Texas).
Are you feeling or knowing some things need to be changeda? Like XX1, is it have plenty of range for you...are you doing the single loop(cat 1)? Tires hooking up or are they more than needed for XC?