I did the hill for an hour with 62 lbs. in the pack.

Eliptical for 15 minutes (about .6 mile)
Stairmaster, level 5 &6, for 25 minutes (about 2 miles)
Treadmill at 6mph (2.25 miles)

1.5 hours on the spin bike

1.5 hours on the hill with 62 lb pack.

29 push ups.

1.5 hours on the hill with 57 lbs in my pack. I'm going to add another 5  lbs today.