People tend to check in during these times:
Lots of machines and large clean locker rooms.
Awesome campus fitness center
When you're reluctant to do something, force yourself to do it. It'll be less difficult the next time.
Check out the rock wall and the Outdoor Adventure Center!
Go between 6-8am, there are few people there and they are all great people to talk to
Don't go the 1st day of classes, it's always packed