How they train, is there secret! Footbike/Kettlebells?

Now Garmin-Slipstream pro cyclist Tom Danielson (who currently holds the record for the fastest ascent of Mt. Washington, New Hampshire, in the Race to the Clouds competition, and the record time for the Mt. Evans Hill Climb in Colorado, which traverses the highest paved road in North America) has put it out on twitter:
I’m taking my offseason training to a new level. Just finished footbiking the peak to peak. http://www.footbikeusa.com/