Open Water Swimming Clinic | Officials JudgesFriday 10 until Sunday 12 January 2025 Officials on the World Aquatics Judges list who want to officiate at any European Aquatics Championships 2025 (Senior and Junior) it is mandatory to follow the Open Water Clinic (online). For Officials who are NOT on the list but want to become certified by European Aquatics. It is mandatory to follow the Open Water Clinic (online) and pass online test afterwards.