So about 2 months into being very good about lifting, I have decided that I would like something to train for in addition to just overall health. The only sport I absolutely love is football, and since I am 24, I don't see me training for a sport I really have no way of playing, so I have decided to train for my second choice - backpacking. I would like to be able to do at least a week backcountry at Glacier national park, and do a sizeable trail. What do you folks think would be the best training/conditioning regimen? I am thinking working core and cardio endurance, since carrying a pack for long periods of time will require a strong middle and good heart. Additionally I will need good leg strength and endurance. Should I focus on compound lifts with high reps in my sets?