It's extremely rare for me to go over an hour. I did Saturday just because I was getting a 1rm for squats followed by some upper body work.
If I was powerlifting then I'd be in there longer, probably 1 1/2 hours per session just because of longer rest periods.
Bodyweight- 231, currently cutting to under 220
Raw total- 1280
Geared total- 1480
Best gym lifts, single ply-
Only goal- ELITE as soon as humanly (and chemically) possible.