Greg Hill completed his 2 million feet in a year challenge:
http://www.greghill.ca/pages/the-2-mill-day/
that must take dedication, and an understanding wife.
2,000,000’ is about 600,000 meters or 74 mount Everests from sea level (I think). The most dedicated people on the skitour website seem to put in about 110,000 meters in a season.
