Man, Greg -- double heart valve replacement. And now you're climbing Whitney. Way to go, man!
Very nice video.
I've included it here for people to watch:
...but did you make it??? Please get part 2 done.

(It sounds like that 20-lb pack may have been too much.)
By the way, the jumping shots are cool:
Badwater:

Grand Tetons:

Earlier video here:
Mt Whitney prelim hike video June 22