Patrick Sweeney won the Palos Verdes marathon while wearing Vibram FiveFinger Sprints. Here is the full article,
http://www.dailybreeze.com/sports/ci_15096520
He won in 2:37:14
Here a shot of him wearing the Sprints,
http://dailybreeze.mycapture.com/mycapture/enlarge.asp?image=29511367&event=1004867&CategoryID=0