[1] At the 2001 European U23 Championships he won a bronze medal in the relay.

In July 2002 he set his lifetime best in the 400 metres, 46.50 seconds achieved in Moscow.

[2] He also competed in relay at the 2003 World Indoor Championships, but the team was disqualified.

In the latter race he finally set a new indoor PB, 1:45.76 minutes, which still stands.

[2] Bogdanov also holds the European indoor record in the 4 x 800 metres relay, with 7:15.77 minutes achieved in February 2008.