Frankfurt: Men's 100 metres world champion Christian Coleman will not be allowed to compete at the upcoming Tokyo Olympics after an appeal of a ban failed on Friday.
The Court of Arbitration for Sport (CAS) said it has 'partially upheld' Coleman's appeal for doping control violations. The two-year ban will be reduced to 18 months -- with May 14, 2020 as the starting date -- meaning it will expire after the Tokyo Games.
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