Micro-dosing: how athletes are outsmarting anti-doping tests

For WADA and the AIU, catching cheaters is only becoming more difficult

U.S. coach suspected of supplying teen athletes with performance-enhancing drugs

Gerald Phiri, a former 100m Olympian, has been caught at the centre of a doping scandal involving three high-school athletes

Sydney Marathon champion tests positive for two banned substances

Kenyan marathoner Brimin Kipkorir tested positive for erythropoietin (EPO) and the masking agent furosemide during an out-of-competition test in November