On the 10-year anniversary of his first world record, Usain Bolt received some unpleasant news.  

On Thursday, the Court of Arbitration for Sport dismissed the appeal by Bolt’s 4x100m relay teammate, Nesta Carter, upholding Carter’s doping violation. Carter ran on the first leg in the 2008 Olympics, a squad that won gold and set the world record of 37.10. 

But in a retest of the 2008 samples conducted in 2016, Carter tested positive for methylhexaneamine, disqualifying the Jamaican team. 

“The Panel concluded that the reanalysis of Nesta Carter’s sample collected following the race at the Beijing 2008 Olympic Games confirmed the presence of methylhexaneamine (MHA) and that it could not accept any of the arguments raised by Nesta Carter contending that the test results should be ignored or the IOC DP [Disciplinary Panel] decision should otherwise be overturned for certain alleged failures,” CAS said. 

Carter won an individual bronze medal in the 100m at the 2013 World Championships and teamed up with Bolt for relay gold at global championships in 2011, 2012, 2013, and 2015. Those medals are not impacted by Thursday’s ruling. 

With the disqualification, Bolt will have eight career Olympic gold medals. 

Jamaica's removal from the 2008 results elevates Trinidad and Tobago to gold, Japan to silver, and Brazil to the bronze medal position.  

The rules are the rules but at the end of the day the joy of winning that relay gold
Medal in Beijing 2008 with my teammates will last forever pic.twitter.com/qdRNyxHDgi

— Usain St. Leo Bolt (@usainbolt) May 31, 2018