Lutkenhaus, 17, beats Olympic 800m champion Wanyonyi

American teenager Cooper Lutkenhaus produced a stunning performance to hold off Olympic champion Emmanuel Wanyonyi in the men's 800m at the Diamond League meeting in Norway. The 17-year-old crossed the line in a personal best of one minute and 42.08 seconds to edge out the Kenyan by one hundredth of a second in Oslo, despite Wanyonyi recording his fastest time of the season (1:42.09). …