The 25-year-old Californian has the fourth-fastest time in the 800m this year.
The American middle-distance standout will run for a chance to make the 2013 worlds team this week.
The 25-year-old is coached by legend Joe Vigil.
She shatters a 31-year-old American high school mark.
With one week to go until the Zappos.com Rock 'n' Roll Las Vegas 1/2 Marathon, T.J. is dancing around a nagging knee issue.
Bronze statue erected in honor of influential running coach.
It's the sport that grabs hold of you and never lets go.
In this exclusive interview, the American marathon and half marathon record holder discusses her lifestyle for success. Written by: Matt