| Championship | Event | # | Competitors |
|---|---|---|---|
| National Team Open 2008 | 4x25m Manikin Relay | 13 |
Bulgaria National Team
(BUL) Viktor DOSHEV , Emil MARKOV, Ivo PAVLOV, Boris ZAHARIEV |
| National Team Open 2004 | SERC | 15 |
Bulgaria National Team
(BUL) Rosen DIMITROV, Viktor DOSHEV , Vasil IVANOV, Yordan IVANOV |
| National Team Open 2004 | 4x50m Medley Relay | 16 |
Bulgaria National Team
(BUL) Rosen DIMITROV, Viktor DOSHEV , Vasil IVANOV, Yordan IVANOV |