Su 28 Apr | | | ![](https://sportazwemresultaten.be/images/country/be_l.png) | TZ |
B-wedstijd te Tienen Vlaams-Brabant 2013 (25m, 6l) | | |
| | ![](https://sportazwemresultaten.be/images/country/be_f.png) | ZNA |
Denderend Aalst te Vlaams-Brabant Aalst 2031 (50m, 8l) | | Federal |
| | ![](https://sportazwemresultaten.be/images/country/bel.png) | DMB |
Grand Prix Guy Coolen te Bree Limburg 2013 (25m, 6l) | | International |
| | ![](https://sportazwemresultaten.be/images/country/be_l.png) | ZB |
Wedstrijd Op Uitnodiging te Diksmuide West-Vlaanderen 2013 (25m, 6l) | | District |
| | ![](https://sportazwemresultaten.be/images/country/bel.png) | ZOLA |
22° Antwerp International Youth Swimming Cup 2013 (50m, 8l) | | International |
| | ![](https://sportazwemresultaten.be/images/country/be_f.png) | CNB |
Memorial Aernouts 2013 à Bastogne Namur 2031 (25m, 5l) | | Federal |
Sa 27 Apr | | | ![](https://sportazwemresultaten.be/images/country/bel.png) | ZOLA |
22° Antwerp International Youth Swimming Cup 2013 (50m, 8l) | | International |
| | ![](https://sportazwemresultaten.be/images/country/be_f.png) | CNB |
Memorial Aernouts 2013 à Bastogne Namur 2031 (25m, 5l) | | Federal |
Fr 26 Apr | | | ![](https://sportazwemresultaten.be/images/country/bel.png) | ZOLA |
22° Antwerp International Youth Swimming Cup 2013 (50m, 8l) | | International |
| | ![](https://sportazwemresultaten.be/images/country/be_f.png) | CNB |
Memorial Aernouts 2013 à Bastogne Namur 2031 (25m, 5l) | | Federal |
Su 21 Apr | | | ![](https://sportazwemresultaten.be/images/country/be_l.png) | TSZ |
4e dag B/C-criterium te Temse Oost-Vlaanderen 2013 (25m, 8l) | | |
| | ![](https://sportazwemresultaten.be/images/country/be_l.png) | PWVL/UZKZ |
6e dag West-Vlaams interclubtornooi H. Lecluyse te Zwevegem 2013 (50m, 6l) | | Provincial P2 |
| | ![](https://sportazwemresultaten.be/images/country/be_l.png) | ENL |
Challenge de la Jeunesse à La Louvière 2013 (50m, 8l) | | |
| | ![](https://sportazwemresultaten.be/images/country/bel.png) | AZS |
Vlaams-Brabantse Classic Swimming Meeting te Aarschot . 2013 (25m, 8l) | | National |
| | ![](https://sportazwemresultaten.be/images/country/bel.png) | KBZB/FRBN |
Grand Prix International de la Communauté Française 2013 (50m, 8l) | | International |
Sa 20 Apr | | | ![](https://sportazwemresultaten.be/images/country/be_l.png) | ENL |
Challenge de la Jeunesse à La Louvière 2013 (50m, 8l) | | |
| | ![](https://sportazwemresultaten.be/images/country/bel.png) | AZS |
Vlaams-Brabantse Classic Swimming Meeting te Aarschot . 2013 (25m, 8l) | | National |
| | ![](https://sportazwemresultaten.be/images/country/bel.png) | KBZB/FRBN |
Grand Prix International de la Communauté Française 2013 (50m, 8l) | | International |
Fr 19 Apr | | | ![](https://sportazwemresultaten.be/images/country/bel.png) | KBZB/FRBN |
Grand Prix International de la Communauté Française 2013 (50m, 8l) | | International |
Su 14 Apr | | | ![](https://sportazwemresultaten.be/images/country/be_l.png) | PLIM/GZVN |
5e dag Limburg Cup te Genk 2013 (50m, 8l) | | Provincial P1 |
| | ![](https://sportazwemresultaten.be/images/country/bel.png) | MEGA |
All Round Swimming Cup te Eeklo Oost-Vlaanderen 2013 (25m, 5l) | | Provincial P1 |
| | ![](https://sportazwemresultaten.be/images/country/bel.png) | ENW |
Grand Prix Hervé Rigot à Waremme LNL 2013 (25m, 6l) | | National |
| | ![](https://sportazwemresultaten.be/images/country/be_l.png) | TZT |
Sprintcriterium te Torhout West-Vlaanderen 2013 (25m, 4l) | | Provincial P1 |
| | ![](https://sportazwemresultaten.be/images/country/be_l.png) | ZCK |
U-Place Cup te Kapelle-o/d-Bos Vlaams Brabant 2013 (25m, 5l) | | Provincial P1 |
Su 07 Apr | | | ![](https://sportazwemresultaten.be/images/country/be_l.png) | LWB |
Gewone wedstrijd te Lommel Limburg 2013 (25m, 5l) | | Provincial P1 |
| | ![](https://sportazwemresultaten.be/images/country/be_f.png) | HZS |
Lange afstanden te Hasselt Limburg 2013 (25m, 6l) | | Provincial P1 |
| | ![](https://sportazwemresultaten.be/images/country/be_l.png) | HZA |
Sprintwedstrijd te Heist o/d Berg Antwerpen 2013 (25m, 4l) | | Provincial P1 |
Mo 01 Apr | | | ![](https://sportazwemresultaten.be/images/country/be_l.png) | KWZC |
Paasmeeting te Waregem West-Vlaanderen 2013 (25m, 6l) | | Provincial P1 |