All these goals to do things like participate in ironman, to ride double centuries every 3 days etc ........
http://www.bikeforums.net/showthread...=#post10808824
http://www.bikeforums.net/showthread...y-every-3-days
http://www.bikeforums.net/showthread...=#post10759951
And now we're talking about 30 minutes of riding a day???