If anyone wants to do a somewhat barefoot friendly trail run. I did this one in May 2012, barefoot. You do run on some gravel parts, but then you get some relief running through grass fields. They also have a 50 miler as well.
http://barefootgentile.wordpress.co...farms-trail-running-festival-50k-race-report/
http://barefootgentile.wordpress.co...farms-trail-running-festival-50k-race-report/