Talk about extremes!  Two days ago, I was on a 7,000 foot ridge overlooking Cody after a tough 70 minute uphill run/walk.  Today, I’m doing inclines on a treadmill in downtown Chicago, carving out an hour from a hectic business trip for some training.  Not fun, and nothing like a real trail.  But I suck it up, pick a program with a series of intervals, and at least it’s bearable.