| Maryna Arzamasova | |
| Nationality: | Belarusian |
| Sport: | Athletics |
| Event: | 800 metres |
| Club: | Minsk |
| Birth Date: | 17 December 1987 |
| Birth Place: | Minsk, Belarusian SSR, Soviet Union |
| Pb: | 800 m: 1:57.54 (2015) |
Maryna Aliaksandrauna Arzamasova (née Katowich, Belarusian: Марына Аляксандраўна Арзамасава (Катовіч), Russian: Марина Александровна Арзамасова; born 17 December 1987) is a Belarusian middle-distance runner.[1] At the 2012 Summer Olympics, she competed in the Women's 800 metres. She won a bronze medal at the 2013 European Athletics Indoor Championships in the 800 metres. In August 2014, Arzamasova won 2014 European Athletics Championships in the 800 metres in a European leading time of 1:58.15.[2] One year later she became world champion in the 800 metres at the 2015 World Championships in Athletics in Beijing.[3]
In 2019, she won the silver medal in the team event at the 2019 European Games held in Minsk, Belarus.[4]
Her mother, Ravilya Agletdinova was also a middle-distance runner and won the 1500 m European title in 1986 – an achievement which Arzamasava repeated.[5]
In August 2019, Arzamasova was provisionally suspended after testing positive for the banned steroid-like substance LGD-4033.[6]