The 27-year-old has set three PRs since June, including in the 3000m in London over the weekend.
Men's, women's 800m winners triumph in quick fashion on the final day of the USA Outdoor Track & Field Championships.
She has never been beaten on the storied Hayward Field.
Geleta Burka wins a tight women's race in 15:26.
The two-time Olympian is ready for her second Carlsbad 5000 on Sunday.
The two-time Olympian shares her plans for the 2013 season.
Defending champions Bernard Lagat and Jenny Simpson return.
The Ethiopian won her second Olympic 5,000m title -- 8 years after the first.
The 2011 World Champion appeared invincible from start to finish.
For some almost-Olympians, the track season is far from over.