Hungarian Nationals (22-25 June)
TYR Fran Crippen Memorial Swim Meet of Champions (23-26 June)
5e. Open EDF de Natation (25-26 June)
(Not strictly this weekend but worth including...)
Scottish Nationals (30 June - 3 July)
Featuring many of the British (and Spanish) World Championships team. Watch out for Hannah Miley v Mireia Belmonte in the 400 IM.