With British and French trials for World Championships behind us, the world rankings are taking shape. But watch them transform in the month ahead, as April brings a rush of competition, as listed here on SwimNews.com (with some addition of my own).
- March 30 – April 3: Canada Senior Nationals / World Trials
- March 31 – April 3: Spanish Open
- March 31 – April 3: Danish Open
- April 1 – April 8: Australian Swimming Championships
- April 3 – April 8: New Zealand Open Championships
- April 7 – April 10: Swim Cup Eindhoven
- April 8 – April 10: Erik Namesnik Michigan Grand Prix
- April 11 – April 16: South Africa National Championships
- April 13 – April 17: Italian Spring Nationals
