Turkish athlete Asli Cakir Alptekin could lose her gold medal and receive lifetime ban.
Five Kenyans have been banned for doping since February.
The top 10 finishers will be randomly screened.
It’s much easier to talk about anti-doping than to actually do it, and so far, it’s not clear what the plan is.
Announcement comes on same day that three Kenyan marathoners get banned for doping.
Peter Vigneron doesn't believe that running has as pervasive a doping problem as cycling. Here's why.
By definition, sports are rule-based and arbitrary, so if you don't follow them, the whole thing kind of collapses and becomes meaningless.
A former coach at the Nike Oregon Project shares his first-hand experiences working with one of the most polarizing figures in sports.
The substance, Canrenone, was present in a prescription medication she was taking for her skin.
The admitted drug cheat will only serve 18 months.