World Aquatics Masters Rules 2024. Swimming, diving, water polo, artistic swimming and open water. The open water swimming competition at the world aquatics masters championships is open to athletes aged 25 years or older (as of.

Swimming, diving, water polo, artistic swimming and open water. World aquatics approved a number of rule changes for masters competitions proposed by the world aquatics masters committee during a world aquatics bureau meeting held on 17 october 2023.