<prompt> Yana Valeryevna Martynova ; akaberekwa musi wa 3 Kukadzi 1988, muKazan mutambi wekuRussia uyo anokwikwidza mumakwikwi evakadzi e400m. Panguva yeOlympics yeZhizha ya2004 akakwikwidza mumakwikwi evakadzi emamita mazana mana, achipedza ari panzvimbo yechi21. Mumitambo yeOlympic ya2008, akakwikwidza mumakwikwi e400 m ega ega uye 200 m butterfly. Akasvika kumagumo emamita mazana mana emunhu mumwe chete. Pa 2012 Summer Olympics iye akapedza 24th zvachose muna heats muna Vakadzi 400 metres nomumwe medley  <response>: uye vakakundikana kusvika kumagumo. 