Listing by the number of times under 4 minutes by U.S. women puts things more in perspective.
8 times[/]
Mary Slaney - 31st
5 times
Suzy Favor - 33rd
1 time
Anna Willard - 69th
Jenny Barringer - 83rd
Christin Wurth - 89th
Regina Jacobs - indoors
So far there have been only two U.S. runners under 4 minutes twice.
Who will be next?