Olympic champion Jemima Sumgong will not defend her London Marathon title after failing a drugs test in February. The Kenyan, who became her country's first female Olympic marathon champion when she ...

LONDON (Reuters) - Jemima Sumgong, who last year became the first Kenyan woman to win Olympic gold in the marathon, has tested positive for the banned blood-booster EPO in an out-of-competition test ...

Leading female marathoner Rita Jeptoo of Kenya failed a doping test a few weeks before winning her second consecutive Chicago Marathon, her agent and national federation said Friday. Agent Federico ...