Sounds like a lot of flat, fast and straight, nothing I'm cut out for. Happy birthday though.
Also, forgive my squirrelly ignorance but I'm looking at your map link, how much of this trip do you guys plan to spend airborne?
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Two bulls are standing on top of a mountain. The younger one says to the older one: "Hey pop, what's say we run down there and fuck one of them cows". "No son" the older one says,"Lets walk down and fuck 'em all".