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  • The IOC Reanalyses Further London 2012 Samples for Banned Substances


    The International Olympic Committee (IOC) is currently conducting additional analyses on the samples collected from the Olympic Games London 2012. This programme, which uses the latest scientific analysis methods, aims to test samples for all substances prohibited in 2012.

    If an Adverse Analytical Finding (AAF) is confirmed for any of the reanalysed samples from London 2012, the concerned athlete will be informed accordingly, after which the proceedings against the athlete can begin.*

    As the International Testing Agency (ITA) is now operational, the IOC has delegated results management to the ITA, which will therefore review all the test results and notify the athletes concerned. The notification will give them the choice to have their case heard before CAS or before an IOC Disciplinary Commission. This choice is given as the Anti-Doping Rules (ADR) for the Olympic Games London 2012 still apply for cases that arise from the current reanalyses. In addition to results management, the IOC has also delegated the selection of samples to be reanalysed to the ITA.

    Prior to the Olympic Games Rio 2016 and in the context of the investigations into the systematic manipulation of the anti-doping system in Russia, more than 500 reanalyses were already conducted for London 2012, resulting in 48 Anti-Doping Rule Violations (ADRVs). These were mostly for anabolic steroids detected through the new “long-term metabolite (LTM) test”.

    The reanalysis programme for the samples from the Olympic Games London 2012 will continue in 2019 before the statute of limitations is reached by 2020.

    This is part of the IOC's efforts to protect clean athletes and the integrity of the competition. The IOC has been storing samples from the Olympic Games since Athens 2004 and has reanalysed them systematically. The fight against doping is a top priority for the IOC, which has established a zero-tolerance policy to combat cheating and to make anyone responsible for using or providing doping products accountable.

    * Please note that, for legal reasons, the IOC will not give detailed information on possible cases. This would follow in due course.

    The following tables provide the number of ADRVs recorded during and after the Games, leading to a sanction in relation to the Olympic Games.

    Olympic Winter Games
     IOC RMA (1) IOC RMA Total
    During the Games Re-analysis after the Games
    1972 1   1
    1976 2   2
    1984 1   1
    1988 1   1
    2002 7   7
    2006 7   7
    2010 3 1 4
    2014 8 Cases still pending
    2018(2) 4   4

    * As of 30 October 2018

    Olympic Games
    Year IOC RMA(1) IOC RMA Total
    During the Games

    Re-analysis after the Games

    1968 1
    1972 7
    1976 11
    1984 12
    1988 10
    1992 5
    1996 4
    2000 11
    2004 17 5 22
    2008 7 65 72 
    2012 9 48 57
    2016 8

    * As of 30 October 2018

    (1) IOC RMA: The IOC is the Results Management Authority (RMA) and directly issues a sanction following an ADRV during the period of the Games (including potential further analysis after the Games). In case of a non-IOC RMA, the IOC is not the Results Management Authority and takes action based on the recognition of the ADRV decided by another authority (e.g. WADA, IF). We cannot provide exhaustive numbers of the non-IOC RMAs.

    (2) For the Olympic Winter Games PyeongChang 2018, the IOC had delegated the results management to the Doping Free Sports Unit (DFSU) of GAISF and sanctioning to the Court of Arbitration for Sport (CAS) to make testing and sanctioning independent from the IOC.


    The International Olympic Committee is a not-for-profit independent international organisation made up of volunteers, which is committed to building a better world through sport. It redistributes more than 90 per cent of its income to the wider sporting movement, which means that every day the equivalent of 3.4 million US dollars goes to help athletes and sports organisations at all levels around the world.


    For more information, please contact the IOC Media Relations Team:
    Tel: +41 21 621 6000, email:, or visit our web site at

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