This page says the prologue was 5mi
http://tourofvirginia.com/stages.php
This page says the prologue was 5.6mi
http://tourofvirginia.com/Courses/Stage%201%20Map.pdf
And the site race manual says it was 4.1 miles. whats goin on???
My boy guptil is sittin pretty at 106th place, which is okay, since he's a self described crappy TTer. He's a beast on climbs, so I'm hopin he does some damage in the mountains