6:44
That is, like, 6:30 minutes/mile
Pam Smith won the women's race, but didn't have much competition.
Both are automatic qualifiers for the US Road and Track 100K team:
http://www.usatf.org/Events---Calendar/2014/IAU-100-km-World-Championship/Athlete-Info/Qualifying-Standards.aspx
I hear Zach made it look easy. I would have loved to witness but was running half his speed at the time.