I've slacked off when it comes to running and it's starting to show, my physical endurance just isn't what it was a couple months ago. Instead of running I just chose to lift heavy, I saw some pretty good gains as far as my 1rm went, but a 400# squat won't get me up the mountain. So, here's my question: how do I structure a running and lifting program where I can improve my cardiovascular fitness, drop weight, increase my endurance, and maintain my strength at a level where I can pack a metric shit ton of weight up and down a mountain all day long for a couple of weeks every year and still be able to lift heavy? Every thing I've read so far seems to tell me you can have endurance or strength, but you can't excel at both.