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Celestine Chepchirchir, a Kenyan road runner, has been banned from competing for three years for violating the anti-doping rules of World Athletics. The 28-year-old athlete provided a urine sample out-of-competition in Kapsabet on February 9, 2024, which tested positive for exogenous testosterone and its metabolites.  The laboratory in Lausanne, Switzerland, identified the presence of testosterone […]