Tokyo Marathon Foundation was informed the anti-doping rule violation of the women's winner of the Tokyo Marathon 2011.

UK Anti-Doping has confirmed that Bernice Wilson has been given a four-year suspension following an anti-doping rule violation.

The Prohibited List will once again change with effect from 1 January 2012.

Monte-Carlo - The International Association of Athletics Federations (IAAF) has become the latest global sports body to sign an agreement with UK Anti-Doping, allowing the two organisations to share Athlete Biological Passport data and other doping-related information.

UK Anti-Doping, the national anti-doping organisation, has today confirmed that athlete Carl Fletcher has received a four-year anti-doping suspension.

Monte-Carlo - The IAAF is pleased to announce that the analyses of the urine samples collected during the 13th edition of the IAAF World Championships, Daegu 2011 as part of the biggest ever athletics anti-doping programme, are now completed.

The World Anti-Doping Agency (WADA) has announced that the List of Prohibited Substances and Methods for 2012 has been approved at its recent Executive Committee meeting.

The IAAF will collect blood samples from ALL athletes taking part in the IAAF World Championships in Daegu in an unprecedented anti-doping programme.

Having caused an uproar when the story became public news, police have closed their investigation of allegations of doping among some of Korea's top marathon runners after finding no evidence to support the claims.

Every year my new year starts with the Hakone Ekiden. Recently the performances at Hakone have improved at a surprising rate, in particular the uphill Fifth Stage, which despite going up the side of a mountain has seen new records virtually every year lately. Five years ago at Juntendo University I tested the blood of Masato Imai, known as "The God of the Mountain."