Sometimes you just need to drop everything and go for an adventure. Once you get into the daily routine of eat, sleep, work, work out, sleep, repeat, it can be difficult to remember how to get away.
We are social beings, so meeting and interacting with new people is part of our nature. Sometimes a little spontaneity can go a long way, and http://atthepool.com can help.
Find someone to go skydiving with, do the marathon you've been talking about, or cook up a feast for your friends over an open fire in the middle of nowhere!