Nikolay Chavkin
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Nikolay Anatolyevich Chavkin (Cyrillic: Николай Анатольевич Чавкин; born 24 April 1984 in Moscow[1]) is a Russian runner specialising in the 3000 metres steeplechase.[2] He competed in that event at the 2012 Summer Olympics, failing to qualify for the final and was later disqualified following a doping ban.
On 28 March 2024, Chavkin received a 30 month competition ban for breaking anti-doping regulations for the use of prohibited substance.[3] All his results from 4 July 2012 to 3 January 20215 were disqualified.