STOCKHOLM (AP) -- Olympic champion Sanya Richards-Ross was pushed to the limit by Botswana's Amantle Montsho but won the 400 meters at the DN Gala Diamond League event on Friday.
The American took the lead in the closing stage of the race to win in 49.89 seconds. Montsho finished on 50.03, with Britain's Christine Ohuruogu third in 50.77.
Also, American Michael Tinsley defeated Olympic champion Felix Sanchez in the 400-meter hurdles, clocking 48.50 seconds. Sanchez, who won gold ahead of Tinsley at the London Games, finished 0.43 behind. Leford Green of Jamaica was third in 48.97.
