She has never been beaten on the storied Hayward Field.
The Ethiopians aren't competing against each other.
The Ethiopian is the pre-race favorite.
Both the men's and women's fields are well represented by the East African nation.
Three nations could contend for the title in Poland.
The three-time Olympic champion is suffering from a shin injury.
Imane Merga and Tirunesh Dibaba headline the roster.
She hopes to set a new world record for that distance.
Tirunesh Dibaba gets profiled by CNN.