This 2021 competition calendar focuses on all senior meets, a handful of international and national junior competitions, and major 13-15 events.
Most of the competitions listed will get a coverage guide a few weeks before the start of it, where you will be able to find more information for each meet including full schedules, video streaming info, and other related articles.
This calendar is not yet complete and is subject to change as each federation updates its own schedule. Please check back regularly as dates and/or locations may change, and more meets might be added.
* denotes meets that are part of the FINA World Series (ASWS).
| Date | Category | Meet | Location |
| Jan 27 – 30 | JR | Russian Junior Nationals | Kazan, Russia |
| Feb 19 – 21 | SR | ASWS No. 1 * | Virtual Event, USA |
| Mar 4 – 7 | SR | Olympic Games Qualification Tournament | Tokyo, Japan |
| Mar 11 – 13 | SR | China Open * | Suzhou, China |
| Mar 16 – 19 | SR | South American Championships | Buenos Aires, Argentina |
| Mar 18 – 21 | SR | Italian Winter Nationals | Riccione, Italy |
| Mar 19 – 21 | JR, SR | Spanish Winter Nationals | TBD, Spain |
| Mar 30 – Apr 4 | JR | French Junior Nationals | Sète, France |
| Apr 7 – 11 | JR, SR | U.S. Nationals | Oro Valley, Ariz., USA |
| Apr 9 – 11 | SR | ASWS No. 3 * | Budapest, Hungary |
| Apr 10 – 11 | JR, SR | Swiss Nationals | Kloten, Switzerland |
| Apr 15 – 18 | College | Collegiate National Championships | Palo Alto, Calif., USA |
| Apr 16 – 18 | SR | ASWS No. 4 * | Kazan, Russia |
| Apr 19 – 23 | SR | Russian National Championships | Kazan, Russia |
| Apr 23 – 25 | SR | French Open * | Paris, France |
| Apr 30 – May 2 | 13-15, JR | International Swiss Youth | Sursee, Switzerland |
| May 2 – 9 | 13-15, JR, SR | Canadian Nationals | Quebec City, Canada |
| May 10 – 15 | SR | European Championships | Budapest, Hungary |
| May 24 – 31 | All | UANA Pan American Championships | Aruba |
| May 27 – 30 | SR | Italian Summer Nationals | Riccione, Italy |
| May 28 – 30 | SR | ASWS No. 6 * | Virtual Event, Canada |
| Jun 4 – 6 | SR | Hellas Beetles Cup * | Alexandroupoli, Greece |
| Jun 11 – 13 | SR | ASWS Super Final * | Barcelona, Spain (TBC) |
| Jun 23 – 27 (TBC) | JR | Junior European Championships | Valletta, Malta |
| Jun 30 – Jul 4 | SR | French Senior Nationals | Angers, France |
| Jul 9 – 11 | JR, SR | Spanish Summer Nationals | TBD, Spain |
| Jul or Aug (TBC) | 13 – 15 | Youth European Championships / COMEN Cup | TBD, France |
| Aug 2 – 7 | SR | Olympic Games | Tokyo, Japan |
| Aug 21 – 29 | JR | FINA Junior World Championships | Quebec City, Canada |
| Aug 21 – 29 | 13-15 | FINA Youth World Championships | Quebec City, Canada |
| Sep 9 – 19 | JR | Junior Pan American Games | Cali, Colombia |
| Sep 15 – 27 | SR | Games of the People’s Republic of China | Shaanxi, China |
| Nov 7 – 17 | SR | Asian Swimming Championships | New Clark City, Philippines |
| Nov 24 – 28 | SR | Russian Cup | Kaliningrad, Russia |
If you know of a competition happening and don’t see it listed, please contact us at insidesynchro@gmail.com.