June 19, 2023 @ 8:00 am - June 24, 2023 @ 5:00 pm CEST CMAS Finswimming World Junior Championship Cairo - Egypt Cairo - Egypt, Cairo, Egypt
June 25, 2023 @ 8:00 am - June 27, 2023 @ 5:00 pm CEST CMAS Finswimming World Masters Championship Cairo - Egypt Cairo - Egypt, Cairo, Egypt
July 7, 2023 @ 8:00 am - July 15, 2023 @ 5:00 pm CEST 12th CMAS Underwater Rugby World Championships Montreal 3-11 Rue du Bosquet, Montreal, Quebec, Canada
July 17, 2023 @ 8:00 am - July 30, 2023 @ 5:00 pm CEST Underwater Hockey Elite and Masters World Championship Swim Park Center 100 Edmondstone St South Brisbane, Brisbane, Brisbane, Australia
September 7, 2023 @ 8:00 am - September 10, 2023 @ 5:00 pm CEST Spearfishing World Championship Mundo Submarino Calle Dr. Federico de la Lastra, Laredo-Cantabria, Spain
November 18, 2023 @ 8:00 am - November 19, 2023 @ 5:00 pm CET 1st Freediving and Finswimming World Championship for Disabled Aquasplash - Water Park Viale Europa, 140, Lignano Sabbiadoro, Udine, Italy