Kei Saito of Japan was the first athlete connected to the 2018 Winter Olympic Games in Pyeongchang to test positive for a banned substance.
Six Russian athletes and seven members of the athletes' entourage had their Olympic Games participation hopes crushed on Thursday when the Ad Hoc Division of CAS ruled on the basis of the written submissions filed by the parties and determined that the CAS ad hoc Division lacked jurisdiction to deal with any of the two applications.
The 32 athletes request that CAS overturn the IOC decision and allow them to participate in these Games as Olympic Athletes from Russia.
Shir Tzedek, a player for Hapoel Beer-Sheva FC, was tested positive for a specified stimulant in accordance with sub-section S6.b of the WADA Prohibited List at the 2017/18 UEFA Champions League play-off match between NK Maribor and Hapoel Beer-Sheva FC played on 22 August 2017.
The Court of Arbitration for Sport (CAS) has decided to annul 28 sanctions by the International Olympic Committee (IOC). The IOC may how ever appeal the decision, and they may also not invite the cleared athletes.
CEO of Antidoping Norway, Anders Solheim, says there is a need for an international Supreme Court for Sport.
17 January 2018, leaders from 19 National Anti-Doping Organisations (NADOs) came together for a fifth special summit, this time in Bonn, to discuss the urgent questions that are still unanswered in the lead up to the Olympic Winter Games. NADO leaders are speaking out to support clean athletes who face an uncertain playing field and who have voiced their concern that clean competition has been compromised.
The Disciplinary Commission of the International Olympic Committee has on Monday, 18 December 2017, informed the International Biathlon Union that The Athlete, Teja Gregorin of Slovenia, is found to have committed anti-doping rule violations pursuant to Article 2 of The International Olympic Committee Anti-Doping Rules applicable to the XXI Olympic Winter Games Vancouver 2010 (presence, and/or use, of Prohibited Substances and its Metabolites or Markers in an athlete’s bodily specimen).
Professional cyclist Chris Froome has tested positive for the prohibited substance Salbutamol. He is one of seven cyclists who has tested positive for the substance
The International Olympic Committee (IOC) has sanctioned a total of 22 athletes from the Oswald Commission hearings.