Career
Alexeyev qualified for the men"s K-2 1000 metres at the 2012 Summer Olympics in London by placing first from the 2011 Asian Canoe Sprint Championships in Tehran, Iran. Three days later, the Kazakh pair edged out Japan"s Momotaro Matsushita and Hiroki Watanabe for first place by twenty-four hundredths of a second (024), in the B-final of the men"s K-2 200 metres, clocking at 35.494 seconds.