Coached by Gennadiy Morozov, Aleksei Drozdov benefited from moving to Bryansk to train, transitioning from local sprinter interest to elite multi-event athlete following encouragement from family and early exposure to combined events training.
A Russian one ‐two highlighted the men’s decathlon at the 2005 European Athletics U23 Championships in Erfurt. Aleksei Drozdov claimed the European U23 title with an impressive 8196 points, with compatriot Aleksei Sysoyev taking silver