Rhonex Kipruto is suspended for "use of a prohibited substance or method" on the basis of his biological passport. The 23-year-old won bronze in the 10,000m at the World Championships in Doha in 2019, before becoming world record holder in 2020 in Valencia.
Kenya and its endurance racing specialists have been responsible for many doping cases in recent years. The AIU denounced in April large-scale doping in the country, "increasingly better organized" with "the involvement of people with medical experience"