Alyona Aleksandrovna Mamina (née Tamkova) (; born Mai 30, 1990 in Sverdlovsk) is a Russian track and field sprinter who specialises in the 400 metres.
Achievements Representing 2008World Junior ChampionshipsBydgoszcz, Poland11th4 × 100 m45.152009European Junior ChampionshipsNovi Sad, Serbia2nd200 m23.722011European U23 ChampionshipsOstrava, Czech Republic1st4 × 100 m44.142013UniversiadeKazan, Russia 1st4 × 400 m relay3:26.61 2nd400 m51.172014World Indoor ChampionshipsSopot, PolandDSQ (4th)4 × 400 m relayDSQ (3:28.39)European ChampionshipsZürich, Switzerland4th4 × 100 m3:25.02European Team ChampionshipsBraunschweig, Germany 1st4 00 m51.722015European Team ChampionshipsCheboksary, Russia 1st4 × 400 m3:24.98
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