競歩
Olympic walk champion Schwazer fails another doping test http://www.reuters.com/article/us-sport-doping-athletics-schwazer-idUSKCN0Z81L3
Russian race walker Emelyanov cleared in doping case http://www.foxsports.com/other/story/russian-race-walker-emelyanov-cleared-in-doping-case-012016
Russia's suspends top race-walking coach over doping http://www.foxsports.com/other/story/russias-investigates-top-race-walking-coach-over-doping-071515
Russian walker Ruzavin banned for doping http://www.reuters.com/article/2015/03/17/us-doping-russia-athletics-idUSKBN0MD1MY20150317
