| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Lachezar Shumkov | 50 L Breast | Finals | 28.38 |
| 2 | Josif Miladinov | 50 L Fly | Finals | 24.46 |
| 3 | Josif Miladinov | 50 L Fly | Prelims | 24.53 |
| 4 | Josif Miladinov | 100 L Free | Timed Finals | 51.72 |
| 5 | Lachezar Shumkov | 50 L Breast | Prelims | 28.78 |
| 6 | Lachezar Shumkov | 100 L Breast | Finals | 1:03.10 |
| 7 | Lachezar Shumkov | 200 L Breast | Finals | 2:21.25 |
| 8 | Lachezar Shumkov | 100 L Breast | Prelims | 1:04.36 |
| 9 | Lachezar Shumkov | 200 L Breast | Prelims | 2:24.15 |
| 10 | Josif Miladinov | 50 L Free | Prelims | 23.97 |
| Name | Event | Round | Time | |
|---|---|---|---|---|
| 1 | Sprint Sofia | 400 L Medley Relay | Timed Finals | |
| 2 | Sprint Sofia | 400 L Free Relay | Timed Finals | |
| 3 | Sprint Sofia | 800 L Free Relay | Timed Finals | |
| Name | Gold | Silver | Bronze | Score | FINA | |
|---|---|---|---|---|---|---|
| 1 | Lachezar Shumkov | 2 | 2 | 1 | – | 736.0 |
| 2 | Josif Miladinov | 1 | 2 | 0 | – | 718.0 |
| 3 | Nikola Levterov | 0 | 1 | 1 | – | 564.6 |
| 4 | Kalin Mihaylov | 0 | 1 | 0 | – | 589.2 |
| 5 | Kosta Pirinski | 0 | 0 | 0 | – | 514.0 |
