Lutkenhaus, 17, upsets Olympic champion Wanyonyi in Oslo
American Cooper Lutkenhaus produces a stunning performance to beat Olympic champion Emmanuel Wanyonyi in the men's 800m at the Diamond League meeting in Oslo, but fellow teenager Gout Gout struggles in the 200m.
Image: BBC Sport
American Cooper Lutkenhaus produces a stunning performance to beat Olympic champion Emmanuel Wanyonyi in the men's 800m at the Diamond League meeting in Oslo, but fellow teenager Gout Gout struggles in the 200m.
Originally published at BBC Sport
