Alyona Aleksandrovna Mamina (née Tamkova) (Russian: Алёна Александровна Мамина (Тамкова); born Mai 30, 1990 in Sverdlovsk) is a Russian track and field sprinter who specialises in the 400 metres.
| Representing | ||||||
|---|---|---|---|---|---|---|
| 2008 | World Junior Championships | Bydgoszcz, Poland | 11th | 4 × 100 m | 45.15 | |
| 2009 | European Junior Championships | Novi Sad, Serbia | 2nd | 200 m | 23.72 | |
| 2011 | European U23 Championships | Ostrava, Czech Republic | 1st | 4 × 100 m | 44.14 | |
| 2013 | Universiade | Kazan, Russia | 1st | 4 × 400 m relay | 3:26.61 | |
| 2nd | 400 m | 51.17 | ||||
| 2014 | World Indoor Championships | Sopot, Poland | DSQ (4th) | 4 × 400 m relay | DSQ (3:28.39) | |
| European Championships | Zürich, Switzerland | 4th | 4 × 100 m | 3:25.02 | ||
| European Team Championships | Braunschweig, Germany | 1st | 4 00 m | 51.72 | ||
| 2015 | European Team Championships | Cheboksary, Russia | 1st | 4 × 400 m | 3:24.98 | |