When I rode to my brother's and back in one day (532 miles round trip). A number of friends who ride motorcycles regularly were astounded I had rode 500+ miles on a Sporty in one day. Well, I don't hold a candle to the members of the IronButt Association. They're first designation is double that:
SaddleSore 1000 (1000 miles in 24 hours)
BunBurner 1500 (1500 miles in 24 or 36 hours)
50cc Quest (coast-to-coast in 50 hours)
Now THAT my friends, is hard core.