World record holder and former world champion Tobi Amusan crashed out of the women's 100m hurdles at the Olympics on Friday as defending champion Jasmine Camacho-Quinn sailed into the final.

America's Masai Russell won a photo finish Saturday in the women's 100-meter hurdles, where the biggest ... for sports stars from the United States, Kenya, Norway and all corners of the globe.

Nigeria's Tobi Amusan smashes the women's 100m hurdles world record in her World Championship semi-final with a time of 12.12 seconds, beating American athlete Kendra Harrison's time of 12.20 from ...