Protecting the Right to Enjoy Doping-Free Sport

Major Games Advice

Olympic clock

London 2012 clock, Trafalgar Square

Major Event Organisations (MEOs) function as the ruling body for any continental, regional or international event (for example, the Commonwealth Games).

They are responsible for adopting and implementing anti-doping rules and regulations for their events which comply with the World Anti-Doping Code.


Testing at Major Games

All urine and blood collection must follow the International Standard for Testing and Investigations (ISTI). However, there may be discrepancies between NADO/IF procedures in the areas that are not addressed by the ISTI or where the ISTI allows discretion.

If you are required for doping control, you should:

  • provide a sample to a DCO when notified by an official anti-doping agency
  • feel confident that sample-collection vessels and A- and B-bottles are clean and sealed before use
  • be assigned a DCO of the same gender for urine sample collection
  • comply with the testing procedure, but record in detail any concerns on the Doping Control Form.

In and Out-of-Competition at Major Games​

Unless otherwise stated, the in-competition period begins 12 hours before a competition which the athlete is participating in and finishes at the end of any associated doping control. Some major events may declare a different in-competition period so athletes need to check the anti-doping rules for such events prior to competition.

An athlete should not have any substance that is prohibited in-competition in their system during that time. Athletes should check with their NGB, IF or event organisers as to how their in-competition period is defined.

Remember, regardless of when you take a substance if it is found in your system during an in-competition test you could face a ban from sport.