Tokyo Marathon runner-up banned four years for doping

The Athletics Integrity Unit found abnormal fluctuations in Ethiopian marathoner Tsehay Gemechu’s hemoglobin and reticulocyte levels on three separate occasions

Mexican athlete suspended for doping after Montreal track meet

Jose Eduardo Rodriguez won prize money over Canadian athletes at La Classique d’athlétisme in June, only to be suspended for a doping violation

72-year-old runner receives three-year doping ban for multiple substances

This renowned U.S. masters age-group runner’s urine sample came up positive for four banned substances