I start slow.
Then taper.
Happens with 60-70 pounds . . .
You also left out the part about going 18-20 miles a day with, oh, 5000 feet of gain.
20 miles and 5000 feet is called -
A short day.
I have two methods that help me get in shape -
The treadmill. I either run (when my sore back allows) or walk. When running I use miles as a goal and when walking I use calories burned.
Actually hiking. Any miles spent hiking anywhere will help get you in shape for bigger hikes. Hit a local trail when you can and do as much as you can squeeze in. Some people practice with larger loads in their packs, but I usually don't. I normally go so light on all my hikes that practicing with heavy loads only makes my back hurt.
Whatever you do to get in shape, just do it and get out there.............................................DUG
