.
http://www.letsrun.com/news/2014/06/cain-vs-efraimson-fizzles-3-thoughts-womens-1500-semifinals/
The attention was on the teens but the accomplished veterans Morgan Uceny and Jenny Simpson got the heat wins.
Lots of post-race interviews included.
Give us your thoughts below. How about the big PB for Charnigo. For the rest of her life, she can say she beat Mary Cain.