The 1500m champion has a vertical tear in her hamstring.
He says he's better than he was when he won two Olympic gold medals last summer.
Galen Rupp and Mary Cain are two distance stars to check out.
The double-Olympic gold medalist says it's nice to come back home.
The action kicks off on Hayward Field in one year's time.
The Florida State standout aims for Moscow.
She will race for Team USA in August.
Kenyans Conseslus Kipruto and Faith Chepngetich Kipyegon earned gold and new meet records in the men's steeplechase and women's 1500.
He recently turned pro last November.
Yet another honor is bestowed on Britain's long-distance ace.