Former Olympic and world champion Athing Mu-Nikolayev suffered disappointment in her bid to qualify for the World Championships on Friday after being eliminated in the semi-finals of the 800m at the ...

Athing Mu-Nikolayev hasn't raced an 800m in nearly a year, but is ready to run at the 50th Prefontaine Classic at Hayward Field and on a track where she has authored so much history already at age 23.

Nineteen-year-old phenom Athing Mu captured 800m gold Tuesday night in Tokyo, breaking the U.S. record and triumphantly expiring what had been the longest active American title drought in Olympic ...