Ryan and Sara Hall, Abdi Abdirahman and Matt Llano headline the second running of the Gatorade San José Half Marathon.
Seven U.S. Olympians are in the July 4 Peachtree Road Race, which doubles as the national championship.
Shalane Flanagan finishes second, Sean Quigley places seventh to finish as top Americans.
Christo Landry won the men's USA title in 46:41.
Michael Nicks prevailed in the men's race.
She's a three-time Olympic Trials finalist and will debut in the half marathon there.
The steeplechaser is aiming for a spot on the U.S. Olympic team.
2010 world indoor champion Bernard Lagat leads men's squad.
A late-race surge paid off for her.