If you don't know anyone faster than you - then join your neighborhood running club or triathlon club, you'll meet lots of fast barefoot runners. Thinking means very first trust your instinct. With so much to do and explore, this game is good for young and old the same. http://Gregblakney.com/__media__/js/netsoltrademark.php?d=Camillacastro.us%2Fforums%2Fviewtopic.php%3Fid%3D372487