2021, year two of the pandemic.
* denotes meets that are part of the FINA World Series (ASWS).
Events that are crossed out have been cancelled or postponed due to the coronavirus.
| Date | Category | Meet | Location |
| Jan 27 – 30 | JR | Russian Junior Nationals | Kazan, Russia |
| Feb 20 – 21 | SR | America Open * | Virtual Event, USA |
| Mar 16 – 19 | SR | South American Championships | Buenos Aires, Argentina |
| Mar 20 – 22 | SR | Italian Winter Nationals | Riccione, Italy |
| Apr 2 – 4 | JR | French Junior Nationals | Sète, France |
| Apr 9 – 11 | JR, SR | Spanish Winter Nationals | Valladolid, Spain |
| Apr 10 – 11 | SR | ASWS No. 2 * | Budapest, Hungary |
| Apr 10 – 11 | JR, SR | Swiss Nationals | Kloten, Switzerland |
| Apr 16 – 17 | College | U.S. Collegiate Nationals | Palo Alto, Calif., USA |
| Apr 16 – 18 | SR | ASWS No. 3 * | Kazan, Russia |
| Apr 20 – 22 | SR | Russian National Championship | Kazan, Russia |
| Apr 23 – 26 | 13-15, JR, SR | South African Nationals | Port Elizabeth, South Africa |
| Apr 25 – 28 | JR, SR | U.S. Nationals | Mesa, Ariz., USA |
| May 10 – 15 | SR | European Championships | Budapest, Hungary |
| May 26 – 28 | All | UANA Pan American Championships | Aruba |
| May 29 – 30 | SR | ASWS No. 4 * | Virtual Event, Canada |
| Jun 3 – 6 | SR | Italian Summer Nationals | Riccione, Italy |
| Jun 10 – 13 | SR | Olympic Games Qualification Tournament | Barcelona, Spain |
| Jun 10 – 13 | SR | ASWS Super Final * | Barcelona, Spain |
| June 15 – 20 | 13-15, JR, SR | Canadian Nationals | Virtual Event, Canada |
| Jun 30- Jul 4 | JR | European Junior Championships | Valletta, Malta |
| Jun 30- Jul 4 | 13-15, JR, SR | French Nationals | Angers, France |
| Jul 9 – 11 | JR, SR | Spanish Summer Nationals | Valladolid, Spain |
| Aug 2 – 7 | SR | Olympic Games | Tokyo, Japan |
| Aug 18 – 22 | 13-15, JR | Junior and Youth International Open | Clearwater, Fla., USA |
| Aug 31-Sep 2 | SR | National Games of China | Shaanxi, China |
| Sep 9 – 12 | 13-15 | European Youth Championships / COMEN Cup | Rijeka, Croatia |
| Oct 15 – 17 | SR | Panhellenic Open | Athens, Greece |
| Nov 1 – 5 | 13-15, JR | South American Championships | Lima, Peru |
| Nov 25 – 27 | SR | Russian Cup | Kaliningrad, Russia |
| Dec 2 – 4 | JR | Junior Pan American Games | Cali, Colombia |
| Dec 16 – 19 | JR, SR | Brazilian Nationals | Rio de Janeiro, Brazil |
