Seven U.S. Olympians are in the July 4 Peachtree Road Race, which doubles as the national championship.
"[An American win] would be beyond words," says Meb Keflezighi.
The Virginia runner beat cancer four years ago and is now one of the favorites at the Boston Marathon.
The 38-year old from San Diego captured his 22nd national title.
The 38-year-old Keflezighi made his winning move at 15K.
The American marathoner ran 2:28:27 to shatter her personal best by over 6 minutes last weekend in Seoul.
Serena Burla of the U.S. took third in the women's race.
Deep field means many possibilities.
A young upstart and a seasoned veteran prevail in Houston.