| VUS Time Trials #17 | Vaasa | Vaasan Uimaseura - Vasa Simsällskap ry | 2023-04-15 | 50 M |  |
| Gladius Cup 2/2023 | Kirkkonummi | Gladius Kirkkonummi | 2023-04-15 | 25 M | |
| TYR Pro Series - Westmont | Westmont | Westmont | 2023-04-15 | 50 M | |
| Kausikisat 3 | Seinäjoki | Seinäjoen Uimarit | 2023-04-16 | 25 M | |
| Cetus Time Trial 17.4.2023 | Espoo | Cetus | 2023-04-17 | 50 M | |
| KouvolaCup ll | Kouvola | Kouvolan uimarit | 2023-04-17 | 25 M | |
| KLL Satakunnan piirin uintimestaruuskilpailut | Pori | Porin Uimaseura ry | 2023-04-20 | 25 M | |
| Swim Festival | Bergen | | 2023-04-21 | 50 M | |
| Kokko-Cup 33 | Kokkola | KUS-GSS | 2023-04-22 | 25 M | |
| Månadstävling april 2023 | Mariehamn | Ålands Simförening | 2023-04-22 | 25 M | |
| BS-PU Cup 2 2023 | Porvoo | BS-PU | 2023-04-22 | 25 M | |
| OuluCup IV | Oulu | Oulun Uinti | 2023-04-22 | 25 M | |
| Zimmari-Cup 2 | Kempele | Kempeleen Pyrintö ry | 2023-04-22 | 25 M | |
| 2023 CA SCAT Group#B April CI | Kalifornia | Aquazot Swim Club | 2023-04-22 | 25 M | |
| Oskareiden Jatkot | Jyväskylä | Jyväskylän Aalto | 2023-04-22 | 50 M | |
| FINAL CONFERENCIA ORIENTAL - 2ª DIVISION | Granada | Espanja | 2023-04-22 | 25 M | |
| HäUSGP2 2023 | Hämeenlinna | Hämeenlinna Uimaseura | 2023-04-23 | 25 M | |
| Tuula Kara - Kilpailut | Somero | Someron Esan Uintijaosto | 2023-04-23 | 25 M | |
| Tuula Kara Masters - Kilpailut | Somero | Someron Esan Uintijaosto | 2023-04-23 | 25 M | |
| Kuukausuinnit 2404 | Helsinki | HTU Stadi ry | 2023-04-24 | 25 M | |
