Swiss sprinter Alex Wilson has been ruled out of Tokyo 2020 after the Court of Arbitration for Sport (CAS) reinstated a provisional suspension.
A group of 10 Nigerian athletes have been declared ineligible for the Olympics by the Athletics Integrity Unit (AIU) because they were not tested rigorously enough in the run-up to Tokyo 2020.
Eight qualifying performances for the Tokyo 2020 Olympic Games have been rejected following investigation by the Athletics Integrity Unit (AIU), with the athletes concerned being denied places.
The Athletics Integrity Unit (AIU) is planning to carry out 800 drugs tests on track and field athletes competing at the Tokyo 2020 Olympics.
Alex Quiñónez, Ecuador’s 2019 world 200 metres bronze medallist, has been provisionally suspended for anti-doping whereabouts failures.
Russian high jumper Danil Lysenko has had a six-year ban confirmed by the Court of Arbitration for Sport (CAS), with two years suspended due to assistance provided by the athlete in cases against former Russian Athletics Federation (RusAF) officials.
In what has been described as a "genuinely exceptional" case, Russia's former world 110 metres hurdles champion Sergey Shubenkov has been cleared of any wrongdoing after an adverse finding reported in December.
South Africa's Manyonga, who fought drug addition to become world long jump champion, given four-year whereabouts ban
South Africa’s Luvo Manyonga, who overcame a crystal meth addiction before going on to win the 2017 long jump world title in London, has received a four-year ban for whereabouts failures.
Shelby Houlihan, the American record holder in the women's 1500 metres and 5,000m, is set to miss the Tokyo 2020 Olympic Games after she was given a four-year doping ban.
Pan American Games triple jump champion Omar Craddock will miss the delayed Tokyo 2020 Olympic Games and next year's World Athletics Championships after he was given a 20-month ban for missing three drugs tests in a 12-month period.
Athletics Integrity Unit (AIU) head Brett Clothier believes the body has been a successful example of governance reform, with independence from the sport’s governing body having enabled high-profile cases to be pursued.
World Athletics President Sebastian Coe has said that the creation of the fully independent Athletics Integrity Unit (AIU) is one of his proudest achievements, adding that devolving rather than hugging power is the way forward for all sporting organisations.
Bahrain's 800 metres runner Nelly Jepkosgei has received a three-year suspension from the Athletics Integrity Unit (AIU) after fabricating a story about a car crash to explain a whereabouts failure.
For the second consecutive month a long-running investigation has concluded with a real page-turner.
Russia’s former world 110 metres hurdles champion Sergey Shubenkov, reported by Russian media to be facing a four-year ban after testing positive for a banned substance, has strongly denied the charge and insisted he is not under any restrictions.