International and continental competitions

• March 21 – April 5: 2020 South American Swimming Championships in Mar del Plata
• April 18 – 24: 2020 African Swimming Championships in  South Africa
• May 11 – 24: 2020 European Aquatics Championships in Budapest
• June 15 – 21: 2020 Oceania Swimming Championships in Suva
• November 7 – 17: 2020 Asian Swimming Championships in New Clark City
• TBD for December: 2020 FINA World Swimming Championships (25 m) in Abu Dhabi

FINA Artistic Swimming Olympic Games Qualification Tournament 2020

• April 30 – May 3: in Tokyo

2020 FINA Artistic Swimming World Series

• March 6 – 8: ASWS #1 in Paris
• March 27 – 29: ASWS #2 in Hurghada
• April 3 – 5: ASWS #3 in Alexandroupolis
• April 10 – 12: ASWS #4 in Budapest
• April 17 – 19: ASWS #5 in Kazan
• April 23 – 25: ASWS #6 in Suzhou
• May 29 – 31: ASWS #7 in Madrid
• June 12 – 14: ASWS #8 in Ypsilanti
• June 19 – 21: ASWS #9 (Super Final) in Windsor

FINA World Junior Artistic Swimming Championships 2020

• August 24 – 30: 2020 FINA World Junior Synchronised Swimming Championships in Quebec City

2020 Summer Olympics (Canoeing)

• March 26 – 29: 2020 Canoe Sprint Asian Olympic Qualifier in Pattaya^[1]
• May 6 & 7: 2020 Canoe Sprint European Olympic Qualifier in Račice^[2]
• May 21 – 24: 2020 ICF Canoe Sprint Final Olympic Qualifier in Duisburg^[3]
• July 26 – August 8: Canoeing at the 2020 Summer Olympics in Tokyo
  • July 26 – 31: Canoe slalom
  • August 3 – 8: Canoe sprint

2020 Summer Paralympics (Paracanoeing)

• May 21 – 24: 2020 ICF Paracanoe World Championships & Paralympic Qualifier in Duisburg^[4]

World canoeing championships

• July 7: 2020 ICF Junior & Canoe Slalom World in Ljubljana / Tacen^[5]
• July 10 – 12: 2020 Canoe Sprint Non-Olympic Events World Championships in Szeged^[6]
• July 16 – 19: 2020 ICF Junior & Canoe Sprint World in Brandenburg^[7]
• August 14 – 16: 2020 ICF Masters Canoe Sprint World Championship in Ternopil^[8]
• September 24 – 27: 2020 Canoe Slalom Non-Olympic Events World Championships in Markkleeberg^[9]

Canoe sprint

Canoe slalom

Canoe Marathon

Canoe Ocean Racing

Canoe Polo

Dragon Boat

Wildwater Canoe

2020 FINA Diving World Cup

• April 21 – 26: in Tokyo

2020 FINA Diving World Series

• February 28 – March 1: DWS #1 in Montreal
• March 6 – 8: DWS #2 in Beijing
• March 20 – 22: DWS #3 in Kazan
• March 27 – 29: DWS #4 (final) in London

2020 FINA Diving Grand Prix

• February 14 – 16: DGP #1 in Madrid
• February 20 – 23: DGP #2 in Rostock
• May 14 – 17: DGP #3 in Windsor
• May 28 – 31: DGP #4 in Singapore
• June 5 – 7: DGP #5 in Kuala Lumpur
• June 17 – 20: DGP #6 in Cairo
• July 3 – 5: DGP #7 in Bolzano
• November 6 – 8: DGP #8 (final) in Gold Coast

2020 FINA Diving Grand Prix

• November 29 – December 6: in Kyiv

FINA High Diving World Cup 2020

• July 11 – 12: in Kazan

2020 Red Bull Cliff Diving World Series

• May 16: in Bali, Indonesia
• June 6: in Tour Saint-Nicolas, La Rochelle, France
• June 27: in Possum Kingdom Lake, Fort Worth, United States
• July 19: in Pietro L'Abbate's Terrace, Polignano a Mare, Italia
• August 15: in Oslo, Norway
• September 6: in São Miguel, Vila Franca do Campo, Azores
• September 26: in Stari Most, Mostar
• October 7: in Sydney, Australia

2020 FINA Marathon Swim World Series

• February 15: MSWS #1 in Doha
• May 3: MSWS #2 in Victoria
• June 6: MSWS #3 in Budapest
• June 13: MSWS #4 in Setúbal
• July 23: MSWS #5 in Lac Saint-Jean
• August 8: MSWS #6 in Lake Mégantic
• August 30: MSWS #7 in Ohrid
• September 19: MSWS #8 in Nantou City
• October 16: MSWS #9 in Hangzhou
• October 25: MSWS #10 (final) in Hong Kong

2020 FINA Ultra Marathon Swim Series

• February 15: MSWS #1 in Rosario (TBC)
• February 23: UMSS #1 in Santa Fe
• July 25: UMSS #2 in Lac Saint-Jean
• August 22: UMSS #3 in Ohrid
• August 29: UMSS #4 in Novi
• September 9: UMSS #5 (final) in Capri / Napoli

FINA Olympic Marathon Swim Qualifier 2020

• May 30–31: in Fukuoka

FINA World Junior Open Water Swimming Championships 2020

• August 21–23: in Victoria

2020 Summer Olympics (Rowing)

• April 2 – 5: 2020 FISA Americas Olympic Qualification Regatta in Rio de Janeiro^[43]
• April 27 – 29: 2020 FISA European Olympic Qualification Regatta in Varese^[44]
• April 27 – 30: 2020 FISA Asia & Oceania Olympic Qualification Regatta in Chungju^[45]
• May 17 – 19: 2020 FISA Final Olympic Qualification Regatta in Lucerne^[46]
• July 24 – 31: Rowing at the 2020 Summer Olympics in Tokyo

2020 Summer Paralympics (Rowing)

• May 8 – 10: 2020 FISA Final Paralympic Qualification Regatta in Gavirate^[47]
• August 27 – 29: Rowing at the 2020 Summer Paralympics in Tokyo

International rowing events

• January 11: 2020 European Rowing Indoor Championships in Prague^[48]
• February 7 & 8: 2020 World Rowing Indoor Championships in Paris^[49]
• June 5 – 7: 2020 European Rowing Championships in Poznań^[50]
• August 16 – 23: 2020 World Rowing Championships in Bled^[51]
• August 16 – 23: 2020 World Rowing Junior Championships in Bled^[52]
• August 16 – 23: 2020 World Rowing Under 23 Championships in Bled^[53]
• August 27 – 29: 2020 World University Rowing Championships in Zagreb^[54]
• September 2 – 6: 2020 World Rowing Masters Regatta in Linz-Ottensheim^[55]

2020 World Rowing Cup

• April 10 – 12: WRC #1 in Sabaudia^[56]
• May 1 – 3: WRC #2 in Varese^[57]
• May 22 – 24: WRC #3 (final) in Lucerne^[58]

2020 Summer Olympics (Sailing)

International sailing events

• June 30 – July 4: 2020 World University Sailing Championships in Campione del Garda
• November 8, 2020 – TBA for 2021: 2020–21 Vendée Globe
• TBA: 2020 Youth Sailing World Championships (location TBA)
• TBA: 2020 Youth Match Racing World Championships (location TBA)
• TBA: 2020 Women's Match Racing World Championship (location TBA)
• TBA: 2020 Transat Québec–Saint-Malo

2020 Sailing World Cup

• August 25 – September 1, 2019: SWC #1 in Enoshima
• January 19 – 26: SWC #2 in Miami
• April 13 – 19: SWC #3 in Genoa
• June 14 – 21: SWC #4 (final) in Enoshima

470

• January 8 – 12: 2020 470 North American Championship in Coconut Grove Sailing Club (Miami)
• January 12 – 18: 2020 470 African Championship in Clube Náutico da Ilha de Luanda
• February 11 – 17: 2020 470 South American Championship (location TBA)
• March 13 – 21: 2020 470 World Championships in Club Nàutic S'Arenal (Mallorca)
• May 2 – 9: 2020 470 European Championships in Base Nautique Municipale (Hyères)
• July 12 – 19: 2020 470 Junior World Championships in Gdynia Marina
• August 2 – 9: 2020 470 Junior European Championship in Warnemünder Segel-Club (Warnemünde)
• August 4 – 9: 2020 470 Masters Cup in Warnemünde

49er

• January 30 – February 3: 2020 49er Oceania Championship in Geelong
• February 9 – 15: 2020 49er & 49er FX World Championships in Geelong
• August 18 – 24: 2020 49er Junior (U23) World Championship in Lake Como
• August 27 – 29: 2020 49er Masters World Championship in Lake Como

Finn

• May 9 – 16: 2020 Finn Gold Cup in Palma de Mallorca (Trofeo Princesa Sofia)
• TBA for August: 2020 Finn Silver Cup in Gdynia
• TBA for September: 2020 Finn European Masters in Gdynia
• TBA for September: 2020 Finn European Championship in Gdynia
• TBA: 2020 Finn World Masters in Port Zeeland

Laser

• February 9 – 16: 2020 ILCA Laser Standard Men's World Championship in Melbourne
• February 21 – 28: 2020 Laser Radial World Championship for Men and Women in Melbourne
• March 19 – 28: 2020 ILCA Laser Masters World Championships in Geelong
• July 17 – 24: 2020 ILCA Under-21 World Championships in Malcesine
• July 26 – August 3: 2020 ILCA 4.7 Youth World Championships in Arco
• August 22 – 30: 2020 ILCA Radial Youth World Championships in Dziwnów

Nacra 17

• January 30 – February 3: 2020 Nacra 17 Oceania Championship in Geelong
• February 9 – 16: 2020 Nacra 17 World Championship in Geelong
• August 18 – 24: 2020 Nacra 17 Junior (U23) World Championship in Lake Como

RS:X

• February 9 – 15: 2020 RS:X Windsurfing South American Championships (Olympic Qualifier) in Mar del Plata
• February 23 – 29: 2020 RS:X Windsurfing World Championships in Auckland
• March 15 – 22: 2020 RS:X Windsurfing Asian Championships (Olympic Qualifier) in Abu Dhabi
• May 10 – 16: 2020 RS:X European & Youth European Championships and Open Trophy in Aigio
• August 23 – 29: 2020 RS:X Windsurfing Youth World Championships in Cádiz

Australian Grand Slam of Surfing

• Tweed Coast Pro^{[59][60][61][62][63][64][65][66]}
• Boost Mobile Pro Gold Coast
• Margaret River Pro

2020 Summer Olympics (Surfing)

International competitions

• March 11 – 15: 2020 ISA World Para Surfing Championship in La Jolla, California
• TBA: 2020 ISA World Junior Surfing Championship
• TBA: 2020 ISA World SUP and Paddleboard Championship
• TBA: 2020 ISA World Longboard Surfing Championship

2020 FINA Champions Swim Series

• January 14 & 15: CSS #1 in Shenzhen
• January 18 & 19: CSS #2 (final) in Beijing

2020 FINA Swimming World Cup

• September 4 – 6: SWC #1 in Singapore (TBC)
• September 10 – 12: SWC #2 in Jinan
• October 2 – 4: SWC #3 in Kazan
• October 8 – 10: SWC #4 in Doha
• October 23 – 25: SWC #5 in Berlin
• October 30 – November 1: SWC #6 (final) in Budapest

2020–21 International Swimming League

• September – April, 2021: 2020–21 ISL regular season (locations TBA)

2020 Summer Olympics (Water polo)

• March 22 – 29: 2020 Men's Water Polo Olympic Games Qualification Tournament in Rotterdam^[67]

2020 FINA Men's Water Polo World League

• October 17, 2019 – April 28, 2020: 2019–20 FINA Men's European Water Polo Preliminary Rounds^[68]
• April 28 – May 3: 2020 FINA Men's Intercontinental Water Polo Tournament in the Indianapolis^[69]
• June 23 – 28: 2020 FINA Men's Water Polo World League Superfinal (location TBA)^[70]

2020 FINA Women's Water Polo World League

• November 19, 2019 – April 28, 2020: 2019–20 FINA Women's European Water Polo Preliminary Rounds^[71]
• April 28 – May 3: 2020 FINA Women's Intercontinental Water Polo Tournament in the Indianapolis^[72]
• June 9 – 14: 2020 FINA Women's Water Polo League Superfinal (location TBA)^[73]

FINA World Water Polo events

• July 5 – 12: 2020 FINA World U16 Water Polo Cup in Volos-Larissa^[74][75]
• August 22 – 30: 2020 FINA World Men's Youth Water Polo Championships in  Turkey (location TBA)^[76]
• September 5 – 13: 2020 FINA World Women's Youth Water Polo Championships in Netanya^[77]

Ligue Européenne de Natation (Water polo)

• January 12 – 26: 2020 European Water Polo Championship for Men & Women in Budapest^[78]
• August 23 – 30: 2020 LEN European Women's U19 Water Polo Championship in Rome
• September 6 – 13: 2020 LEN European Men's U19 Water Polo Championship in Volos

LEN Club events

• August 30, 2019 – June 7, 2020: 2019–20 LEN Champions League
• September 13, 2019 – May 9, 2020: 2019–20 LEN Euro Cup
• October 31, 2019 – April 25, 2020: 2019–20 LEN Euro League Women
• TBA: 2020 LEN Super Cup
• TBA: 2019–20 Women's LEN Trophy
• TBA: 2020 Women's LEN Super Cup

IWWF World Championships

• March 21 & 22: 2020 IWWF World Waterski Show Tournament in Mulwala
• April 11 – 18: 2020 IWWF World Barefoot Waterski Championships in Liverpool (Sydney)
• August 18 – 23: 2020 IWWF World Junior Waterski Championships in Santa Rosa Beach, Florida
• September 14 – 20: 2020 IWWF World Cable Wakeboard Championships in Pathum Thani
• September 14 – 20: 2020 IWWF World Over 35 Waterski Championships in Baurech
• September 22 – 27: 2020 FISU World University Waterski & Wakeboard Championships in Dnipro

IWWF Continental Championships

• August 4 – 8: 2020 IWWF Europe and Africa Youth Waterski Championships in Seseña
• August 23 – 30: 2020 IWWF Europe and Africa Waterski Racing Championships in Beringen (to be confirmed)
• August 27 – 30: 2020 IWWF Europe and Africa 35+ Waterski Championships in Ravenna
• September 1 – 6: 2020 IWWF Asian Waterski & Wakesports Championships in Chuncheon
• September 2 – 6: 2020 IWWF Europe & Africa Cable Wakeboard and Wakeskate Championships in Beckum

IWWF World Cup/Elite events

• June 5 – 7: 2020 MasterCraft TBD in Zachary, Louisiana
• June 12 & 13: 2020 Malibu Open in Charleston, South Carolina
• June 26 – 28: 2020 BOTASKI Pro Am in Seseña
• July 3 – 5: 2020 VII San Gervasio Pro Am in San Gervasio Bresciano
• July 10 – 12: 2020 Kaiafas Battle Pro Am in Kaiafas Lake
• August 15 & 16: 2020 Hilltop Lake ProAm by Syndicate Waterskis in Arlington, Washington