Been along time since I was on those roads. Don't remember a 20% climb? The first set up Leesville Gap seemed more gentle, and the second (1.25-miles) didn't seem to be 20%?

So, based on good conditioning, is this a 23cog or 25cog climbing?

Courtesy of your friends at MotionBased.com:

http://trail.motionbased.com/trail/episode/view.mb?episodePk.pkValue=179140

Of course, potholes, gravel, a dearth of neutral water and 100+ degree heat aren't noted.

Make your own:
http://www.gmap-pedometer.com/?r=250210
Unfortunately, the elevation data server is down right now...
Yes, it is closer to 63 miles than the 60 on the race flyer, IIRC.