International aquatic events

• June 4 – 10: 2018 FINA Diving World Cup in Wuhan^[1]
  • 3m Springboard winners: Xie Siyi (m) / Shi Tingmao (f)
  • 10m Platform winners: Chen Aisen (m) / Zhang Jiaqi (f)
  • Synchronized 3m winners:  China (Cao Yuan & Xie Siyi) (m) /  China (Shi Tingmao & CHANG Yani) (f)
  • Synchronized 10m winners:  China (Yang Hao & Chen Aisen) (m) /  China (Zhang Jiaqi & ZHANG Minjie) (f)
  • Mixed Synchronized winners:  China (Wang Han & LI Zheng) (3m) /  China (Lian Junjie & Si Yajie) (10m)
  • Mixed 3m & 10m Team winners:  China (Qiu Bo & CHEN Yiwen)
• July 18 – 22: 2018 FINA World Junior Synchronised Swimming Championships in Budapest^[2]
  •  Russia won all the gold medals available and won the overall medal tally, too.
• July 23 – 29: 2018 FINA World Junior Diving Championships in Kyiv^[3]
  • 1m Springboard winners: WANG Zongyuan (m) / MA Tong (f)
  • 3m Springboard winners: Daniel Restrepo Garcia (m) / LIN Shan (f)
  • 10m Platform winners: LIAN Junjie (m) / ZHANG Rui (f)
  • Synchronized 3m winners:  Canada (Henry McKay & Victor Povzner) (m) /  China (MA Tong & ZHANG Rui) (f)
  • Synchronized 10m winners:  China (LI Zheng & LIAN Junjie) (m) /  China (LAI Shiyun & LIU Jialing) (f)
  • Mixed Team winners:  Great Britain
• August 9 – 14: 2018 Pan Pacific Swimming Championships in Tokyo^[4]
  •  United States won both the gold and overall medal tallies.
• September 6 – 8: 2018 FINA World Junior Open Water Swimming Championships in Eilat^[5]
  • 5 km winners: Aleksandr Stepanov (m) / Iris Menchini (f)
  • 7.5 km winners: Jean-Baptiste Clusman (m) / Chase Travis (f)
  • 10 km winners: Michael Brinegar (m) / Paula Ruiz Bravo (f)
  • Relay (Age 14–16) winners:  Hungary (Viktoria Mihalyvari, Mira Szimcsak, Zoltan Tabi, & Szilard Galyassy)
  • Open Relay winners:  France (Madelon Catteau, Jean-Baptiste Clusman, Lisa Pou, & Enzo Roldan Munoz)
• November 9 & 10: 2018 FINA High Diving World Cup in Abu Dhabi^[6]
  • Winners: Gary Hunt (m) / Rhiannan Iffland (f)
• December 11 – 16: 2018 FINA World Swimming Championships (25 m) in Hangzhou^[7]
  •  United States won both the gold and overall medal tallies.

2018 FINA Marathon Swim World Series

• March 17: MSWS #1 in Doha^[8]
  • Winners: Ferry Weertman (m) / Sharon van Rouwendaal (f)
• May 20: MSWS #2 in the  Seychelles^[9]
  • Winners: Simone Ruffini (m) / Arianna Bridi (f)
• June 9: MSWS #3 in Setúbal^[10]
  • Winners: Kristóf Rasovszky (m) / Haley Anderson (f)
• June 16: MSWS #4 in Balatonfüred^[11]
  • Winners: Florian Wellbrock (m) / Ana Marcela Cunha (f)
• July 26: MSWS #5 in Lac Saint-Jean^[12]
  • Winners: Marcel Schouten (m) / Ana Marcela Cunha (f)
• August 11: MSWS #6 in Lake Mégantic^[13]
  • Winners: Christian Reichert (m) / Xin Xin (f)
• September 16: MSWS #7 in Chun'an County (Hangzhou)^[14]
  • Winners: Jack Burnell (m) / Xin Xin (f)
• November 24: MSWS #8 (final) in Abu Dhabi^[15]
  • Winners: Florian Wellbrock (m) / Arianna Bridi (f)

2018 FINA Ultra Marathon Swim Series

• February 4: UMSS #1 in Coronda^[16]
  • Winners: Guillermo Bertola (m) / Cecilia Biagioli (f)
• July 28: UMSS #2 in Lac Saint-Jean^[17]
  • Winners: Edoardo Stochino (m) / Barbara Pozzobon (f)
• August 25: UMSS #3 (final) in Ohrid^[18]
  • Winners: Francesco Ghettini (m) / Barbara Pozzobon (f)

2018 FINA Diving World Series

• March 9 – 11: DWS #1 in Beijing^[19]
  • 3m Springboard winners: Xie Siyi (m) / Shi Tingmao (f)
  • 10m Platform winners: Yang Jian (m) / ZHANG Jiaqi (f)
  • Synchronized 3m winners:  China (Xie Siyi & Cao Yuan) (m) /  China (CHEN Yiwen & Wang Han) (f)
  • Synchronized 10m winners:  China (Chen Aisen & Yang Hao) (m) /  China (ZHANG Minjie & ZHANG Jiaqi) (f)
  • Mixed Synchronized winners:  China (LI Zheng & Wang Han) (3m) /  China (LIN Shan & LIAN Junjie) (10m)
• March 15 – 17: DWS #2 in Fuji, Shizuoka^[20]
  • 3m Springboard winners: Cao Yuan (m) / Shi Tingmao (f)
  • 10m Platform winners: LIAN Junjie (m) / ZHANG Jiaqi (f)
  • Synchronized 3m winners:  China (Cao Yuan & Xie Siyi) (m) /  China (CHANG Yani & Shi Tingmao) (f)
  • Synchronized 10m winners:  China (Yang Hao & Chen Aisen) (m) /  China (ZHANG Minjie & ZHANG Jiaqi) (f)
  • Mixed Synchronized winners:  China (LI Zheng & Wang Han) (3m) /  China (LIN Shan & LIAN Junjie) (10m)
• April 27 – 29: DWS #3 in Montreal^[21]
  • 3m Springboard winners: Cao Yuan (m) / Shi Tingmao (f)
  • 10m Platform winners: Qiu Bo (m) / Ren Qian (f)
  • Synchronized 3m winners:  China (Xie Siyi & Cao Yuan) (m) /  China (CHANG Yani & Shi Tingmao) (f)
  • Synchronized 10m winners:  China (Yang Jian & Qiu Bo) (m) /  Malaysia (Pandelela Rinong & Cheong Jun Hoong) (f)
  • Mixed Synchronized winners:  Canada (François Imbeau-Dulac & Jennifer Abel) (3m) /  Canada (Meaghan Benfeito & Nathan Zsombor-Murray) (10m)
• May 4 – 6: DWS #4 (final) in Kazan^[22]
  • 3m Springboard winners: Xie Siyi (m) / Shi Tingmao (f)
  • 10m Platform winners: Yang Jian (m) / Ren Qian (f)
  • Synchronized 3m winners:  China (Cao Yuan & Xie Siyi) (m) /  China (CHANG Yani & Shi Tingmao) (f)
  • Synchronized 10m winners:  Russia (Aleksandr Bondar & Viktor Minibaev) (m) /  China (LIN Shan & Si Yajie) (f)
  • Mixed Synchronized winners:  Canada (Jennifer Abel & François Imbeau-Dulac) (3m) /  Russia (Yulia Timoshinina & Nikita Shleikher) (10m)

2018 FINA Diving Grand Prix

• February 23 – 25: DGP #1 in Rostock^[23]
  • 3m Springboard winners: Patrick Hausding (m) / Huang Xiaohui (f)
  • 10m Platform winners: Qiu Bo (m) / Si Yajie (f)
  • Synchronized 3m winners:  China (WANG Zong Yuam & HU Zijie) (m) /  Germany (Lena Hentschel & Tina Punzel) (f)
  • Synchronized 10m winners:  China (Tai Xiaohu & CAO Lizhi) (m) /  China (XU Yijin & Si Yajie) (f)
  • Mixed Synchronized winners:  China (CHEN Yiwen & Tai Xiaohu) (3m) /  China (Si Yajie & CAO Lizhi) (10m)
• May 10 – 13: DGP #2 in Calgary^[24]
  • 3m Springboard winners: PENG Jianfeng (m) / CHEN Yiwen (f)
  • 10m Platform winners: YU Duan (m) / LU Wei (f)
  • Synchronized 3m winners:  Canada (Philippe Gagné & François Imbeau-Dulac) (m) /  China (WU Chunting & CHEN Yiwen) (f)
  • Synchronized 10m winners:  China (YU Duan & YAO Zelin) (m) /  China (LU Wei & ZHU Yanxin) (f)
  • Mixed Synchronized winners:  Germany (Frithjof Seidel & Jana Lisa Rother) (3m) /  Canada (Meaghan Benfeito & Nathan Zsombor-Murray) (10m)
• July 6 – 8: DGP #3 in Bolzano^[25]
  • 3m Springboard winners: LIU Chengming (m) / CHEN Yiwen (f)
  • 10m Platform winners: Tai Xiaohu (m) / ZHANG Xiaotong (f)
  • Synchronized 3m winners:  China (LIU Chengming & PENG Jianfeng) (m) /  China (WU Chunting & CHEN Yiwen) (f)
  • Synchronized 10m winners:  China (Tai Xiaohu & HUANG Bowen) (m) /  China (ZHANG Xiaotong & JIAO Jingjing) (f)
  • Mixed Synchronized winners:  United States (Alison Gibson & Greg Duncan) (3m) /  Italy (Noemi Batki & Maicol Verzotto) (10m)
• July 13 – 15: DGP #4 in Madrid^[26]
  • 3m Springboard winners: Juan Manuel Celaya Hernandez (m) / CHEN Yiwen (f)
  • 10m Platform winners: Tai Xiaohu (m) / Samantha Bromberg (f)
  • Synchronized 3m winners:  Mexico (Yahel Castillo & Juan Manuel Celaya Hernandez) (m) /  China (WU Chunting & CHEN Yiwen) (f)
  • Synchronized 10m winners:  China (Tai Xiaohu & HUANG Bowen) (m) /  China (ZHANG Xiaotong & JIAO Jingjing) (f)
• November 9 – 11: DGP #5 in Kuala Lumpur^[27]
  • 3m Springboard winners: Ooi Tze Liang (m) / MA Tong (f)
  • 10m Platform winners: YU Duan (m) / XU Yijin (f)
  • Synchronized 3m winners:  Malaysia (Muhammad Syafiq Puteh & Ooi Tze Liang) (m) /  Malaysia (Loh Zhiayi Loh & ONG Ker Ying) (f; default)
  • Men's Synchronized 10m winners:  China (WANG Zewei & YU Duan)
• November 15 – 18: DGP #6 in Gold Coast, Queensland^[28]
  • 3m Springboard winners: Kevin Chávez (m) / Huang Xiaohui (f)
  • 10m Platform winners: Nikita Shleikher (m) / Emily Boyd (f)
  • Synchronized 3m winners:  Poland (Andrzej Rzeszutek & Kacper Lesiak) (m) /  Australia (Georgia Sheehan & Esther Qin) (f)
  • Men's Synchronized 10m winners:  Russia (Aleksandr Belevtsev & Nikita Shleikher) (m; default)
  • Mixed Synchronized winners:  Australia (Anabelle Smith & Domonic Bedggood) (3m) /  Germany (Christina Wassen & Florian Fandler) (10m; default)
• November 23 – 25: DGP #7 (final) in  Singapore^[29]
  • 3m Springboard winners: Sergey Nazin (m) / Huang Xiaohui (f)
  • 10m Platform winners: Jonathan Chan (m) / Rin Kaneto (f)
  • Synchronized 3m winners:  Singapore (Timothy Han-Kuan Lee & Mark Han-Ming Lee) (m) /  Russia (Vitaliia Koroleva & Uliana Kliueva) (f; default)
  • Synchronized 10m winners:  Mexico (Iván García & Germán Sánchez) (m) /  North Korea (KIM A Rim & KIM Jong Gyong) (f)
  • Mixed Synchronized winners:  Russia (Ilia Molchanov & Vitaliia Koroleva) (3m) /  North Korea (KIM A Rim & RI Kwon Hyok) (10m; default)

2018 FINA Artistic Swimming World Series

• March 9 – 11: ASWS #1 in Paris^[30]
  • Solo Technical/Free winners: Varvara Subbotina / Svetlana Kolesnichenko
  • Duet Technical/Free winners:  Russia (Svetlana Kolesnichenko & Varvara Subbotina) /  China (Wang Liuyi & Wang Qianyi)
  • Team Technical/Free winners:  Russia /  Ukraine
  • Mixed Duet Technical/Free winners:  Italy (Manila Flamini & Giorgio Minisini) /  Russia (Aleksandr Maltsev & Mayya Gurbanberdieva)
  • Free Combinations winners:  Ukraine
  • Team Highlights winners:  Ukraine
• April 20 – 22: ASWS #2 in Beijing^[31]
  • Solo Technical/Free winners: Nada Daabousová / Khonzodakhon Toshkhujaeva
  • Duet Technical/Free winners:  China (Jiang Tingting & Jiang Wenwen) (both)
  • Team Technical/Free winners:  China (both)
  • Mixed Duet Technical/Free winners:  China (SHI Haoyu & Zhang Yiyao) (both & default)
  • Free Combinations winners:  China
  • Team Highlights winners:  Uzbekistan
• April 27 – 30: ASWS #3 in Tokyo^[32]
  • Solo Technical/Free winner: Yukiko Inui (both)
  • Duet Technical/Free winners:  Japan (Kanami Nakamaki & Yukiko Inui) (both)
  • Team Technical/Free winners:  Japan (both)
  • Mixed Duet Technical/Free winners:  Italy (Manila Flamini & Giorgio Minisini) (both)
  • Free Combinations winners:  Japan (default)
  • Team Highlights winners:  France
• May 11 – 13: ASWS #4 in Šamorín^[33]
  • Solo Technical/Free winner: Linda Cerruti (both)
  • Duet Technical/Free winners:  Italy (Costanza Ferro & Linda Cerruti) (both)
  • Team Technical/Free winners:  Belarus /  Ukraine
  • Mixed Duet Technical/Free winners:  Spain (Nayara Maria Pena & Ibon Garcia) (both & default)
  • Free Combinations winners:  Ukraine
  • Team Highlights winners:  Slovakia (default)
• May 18 – 20: ASWS #5 in Budapest^[34]
  • Solo Technical/Free winner: Varvara Subbotina (both)
  • Duet Technical/Free winners:  Ukraine (Yelyzaveta Yakhno & Anastasiya Savchuk) (both)
  • Team Technical/Free winners:  Russia (both)
  • Free Combinations winners:  Ukraine
  • Team Highlights winners:  Ukraine
• May 25 – 27: ASWS #6 in Madrid^[35]
  • Solo Technical/Free winner: Vivienne Koch (both)
  • Duet Technical/Free winners:  Spain (Sara Saldana Lopez & Paula Ramirez) (both)
  • Team Technical/Free winners:  Spain (both)
  • Mixed Duet Technical/Free winners:  Spain (Pau Ribes & Berta Ferreras Sanz) (both -> Free event won by default)
  • Free Combinations winners:  Spain
• May 31 – June 2: ASWS #7 in Surrey, British Columbia^[36]
  • Solo Technical/Free winner: Yukiko Inui (both)
  • Duet Technical/Free winners:  Japan (Kanami Nakamaki & Yukiko Inui) (both)
  • Team Technical/Free winners:  Ukraine (both)
  • Mixed Duet Technical winner:  South Korea (LEE Ga-bin & BYUN Jae-jun) (default)
  • Free Combinations winners:  Ukraine
  • Team Highlights winners:  Ukraine
• June 7 – 9: ASWS #8 in Los Angeles^[37]
  • Solo Technical/Free winner: Yelyzaveta Yakhno (both)
  • Duet Technical/Free winners:  China (Jiang Tingting & Jiang Wenwen) (both)
  • Team Technical/Free winners:  Ukraine (both)
  • Mixed Duet Technical/Free winners:  Italy (Manila Flamini & Giorgio Minisini) (both)
  • Free Combinations winners:  Ukraine
  • Team Highlights winners:  Ukraine
• June 15 – 17: ASWS #9 in Syros^[38]
  • Solo Technical/Free winner: Joana Betzabe Jimenez Garcia / Nuria Diosdado
  • Duet Technical/Free winners:  Mexico (Karem Achach & Nuria Diosdado) (both)
  • Team Technical/Free winners:  Mexico (both)
  • Mixed Duet Technical/Free winners:  Italy (Manila Flamini & Giorgio Minisini) /  Russia (Mayya Gurbanberdieva & Aleksandr Maltsev)
  • Free Combinations winners:  Mexico
  • Team Highlights winners:  France
• June 29 – July 1: ASWS #10 (final) in Tashkent^[39]
  • Solo Technical/Free winner: Joana Betzabe Jimenez Garcia / Nuria Diosdado
  • Duet Technical/Free winners:  Mexico (Karem Achach & Nuria Diosdado) (both with Joana Betzabe Jimenez Garcia in free event only)
  • Team Technical/Free winners:  Uzbekistan (both)
  • Mixed Duet Technical/Free winners:  Kazakhstan (Sofiya Lyakh & Olzhas Makhanbetiyarov) /  Uzbekistan (Dinara Ibragimova & Vyacheslav Rudnev)
  • Free Combinations winners:  Slovakia
  • Team Highlights winners:  Uzbekistan

2018 FINA Swimming World Cup

• September 7 – 9: SWC #1 in Kazan^[40]
  •  Russia won both the gold and overall medal tallies.
• September 13 – 15: SWC #2 in Doha^[41]
  •  Hungary won the gold medal tally.  Netherlands won the overall medal tally.
• September 28 – 30: SWC #3 in Eindhoven^[42]
  •  Russia won both the gold and overall medal tallies.
• October 4 – 6: SWC #4 in Budapest^[43]
  •  Australia won the gold medal tally.  United States won the overall medal tally.
• November 2 – 4: SWC #5 in Beijing^[44]
  •  China won both the gold and overall medal tallies.
• November 9 – 11: SWC #6 in Tokyo^[45]
  •  Russia won the gold medal tally.  Japan won the overall medal tally.
• November 15 – 17: SWC #7 (final) in  Singapore^[46]
  •  China won the gold medal tally.  Australia won the overall medal tally.

Canoe sprint

Canoe slalom

Other international canoeing events

• May 31 – June 3: 2018 ICF Wildwater Canoeing World Championships in Muotathal^[59]
  • For detailed results, click here.
• July 5 – 8: 2018 European Canoe Marathon Championships in Metković^[60]
  • Senior
  • C1 winners: Manuel Campos (m) / Liudmyla Babak (f)
  • Men's C2 winners:  Spain (Diego Romero & Oscar Graña)
  • K1 winners: José Ramalho (m) / Renáta Csay (f)
  • K2 winners:  Hungary (Adrián Boros & László Solti) (m) /  Hungary (Vanda Kiszli & Sára Mihalik) (f)
  • Junior
  • Junior C1 winners: Jordán Fajta (m) / Dóra Horányi (f)
  • Junior Men's C2 winners:  Hungary (Zoltán Vass & Bence Bucsi)
  • Junior K1 winners: Ronan Foley (m) / Emma Russell (f)
  • Junior K2 winners:  Hungary (Marcell Mercz & Ádám Horváth) (m) /  Hungary (Viktória Tófalvi & Csilla Rugási) (f)
  • U23
  • Men's U23 C1 winner: Mateusz Borgiel
  • U23 K1 winners: Nico Paufler (m) / Zsófia Czéllai-Vörös (f)
• August 1 – 5: 2018 ICF Canoe Polo World Championships in Welland^[61]
  • Men:  Germany defeated  Italy, 4–1, in the final.  Spain took third place.
  • Women:  Germany defeated  Great Britain, 3–1, in the final.  Italy took third place.
  • U21 Men:  Great Britain defeated  Germany, 3–2, in the final.  Italy took third place.
  • U21 Women:  Germany defeated  Poland, 5–1, in the final.  New Zealand took third place.
• August 30 – September 2: 2018 ICF Stand-Up Paddling World Championships in Esposende & Viana do Castelo (debut event)
  • Event cancelled, due to a court order in Portugal.^[62]
• September 6 – 9: 2018 ICF Canoe Marathon World Championship in Prado Vila Verde^[63]
  • C1 winners: Manuel Campos (m) / Liudmyla Babak (f)
  • Men's C2 winners:  Spain (Diego Romero & Oscar Graña)
  • K1 winners: Andrew Birkett (m) / Vanda Kiszli (f)
  • K2 winners:  South Africa (Andrew Birkett & Hank McGregor) (m) /  Hungary (Renáta Csay & Zsófia Czéllai-Vörös) (f)
  • Junior C1 winners: Dávid Hodován (m) / Marlee MacIntosh (f)
  • Junior K1 winners: Thorbjørn Rask (m) / Zsóka Csikós (f)
  • Junior K2 winners:  Denmark (Thorbjørn Rask & Nikolai Thomsen) (m) /  Hungary (Olga Bakó & Emese Kohalmi) (f)
  • Men's U23 C1 winner: Sérgio Maciel
  • U23 K1 winners: Jon Vold (m) / Zsófia Czéllai-Vörös (f)
• September 13 – 16: 2018 ICF Dragon Boat World Championships in Gainesville, Georgia
  • For detailed results, click here.

International rowing events

• May 26 & 27: 2018 European Rowing Junior Championships in Gravelines^[64]
  •  Czech Republic won the gold medal tally.  Italy won the overall medal tally.
• July 25 – 29: 2018 World Rowing Under 23 Championships in Poznań^[65]
  •  United States won the gold medal tally.  Italy won the overall medal tally.
• August 2 – 5: 2018 European Rowing Championships in Glasgow^[66]
  •  Romania won the gold medal tally. Romania and  Netherlands won 7 overall medals each.
• August 8 – 12: 2018 World Rowing Junior Championships in Račice^[67]
  • Five national teams won 2 gold medals each.  United States won the overall medal tally.
• August 10 – 12: 2018 World University Rowing Championships in Shanghai^[68]
  •  Great Britain won the gold medal tally.  Italy won the overall medal tally.
• September 1 & 2: 2018 European Rowing Under 23 Championships in Brest^[69]
  •  Romania won the gold medal tally. Romania and  Belarus won 8 overall medals each.
• September 9 – 16: 2018 World Rowing Championships in Plovdiv^[70]
  •  United States,  Italy,  Germany, and  France won 3 gold medals each. The United States won the overall medal tally.
• September 26 – 30: 2018 World Rowing Masters Regatta in Sarasota-Bradenton^[71]
  • For detailed results, click here.

2018 World Rowing Cup

• June 1 – 3: #1 in Belgrade^[72]
  •  Netherlands won both the gold and overall medal tallies.
• June 22 – 24: #2 in Linz-Ottensheim^[73]
  •  Italy won the gold medal tally.  Germany won the overall medal tally.
• July 13 – 15: #3 (final) in Lucerne^[74]
  •  New Zealand won the gold medal tally.  Germany won the overall medal tally.

International sailing events

• August 20, 2017 – July 28: Clipper Round the World Yacht Race, starting and finishing in Liverpool^[75]
  • Winner: Sanya Serenity Coast (Skipper: Wendy Tuck)
• October 14, 2017 – June 30: 2017–18 Volvo Ocean Race, starting in Alicante and finishing in The Hague^[76]
  • Winners: Dongfeng Race Team (Skipper: Charles Caudrelier)
• June 18 – 25: 2018 Asian Sailing Championship in Jakarta^[77]
  •  China won both the gold and overall medal tallies.
• July 14 – 21: 2018 Youth Sailing World Championships in Corpus Christi, Texas^[78]
  •  United States won both the gold and overall medal tallies.
• July 30 – August 12: 2018 Sailing World Championships in Aarhus^[79]
  •  Netherlands won the gold medal tally.  France won 7 overall medals.
• September 1 – 5: 2018 World University Sailing Championship in Cherbourg^[80]
  • Winners:  Australia (Skipper: Thomas Grimes) (m) /  France (Skipper: Elodie Bonafous) (f)

2018 Sailing World Cup

• October 15 – 22, 2017: SWC #1 in Gamagōri^[81]
  •  Poland won the gold medal tally.  Japan won the overall medal tally.
• January 21 – 28: SWC #2 in Miami^[82]
  •  Great Britain won both the gold and overall medal tallies.
• April 22 – 29: SWC #3 in Hyères^[83]
  •  France won both the gold and overall medal tallies.
• June 3 – 10: SWC #4 (final) in Marseille^[84]
  • Eight different team won a gold medal each.  France,  Great Britain, &  Italy won 3 overall medals each.

2018 Extreme Sailing Series

• March 14 – 17: Act 1 in Muscat
  • Champions: Alinghi; Second: SAP Extreme Sailing Team; Third: Oman Air
• May 24 – 27: Act 2 (GC32 World Championship) in Riva del Garda
  • Champions: SAP Extreme Sailing Team; Second: Oman Air; Third: INEOS Rebels UK
• June 14 – 17: Act 3 in Barcelona
  • Champions: Alinghi; Second: Oman Air; Third: SAP Extreme Sailing Team
• July 5 – 8: Act 4 in Cascais
  • Champions: Alinghi; Second: SAP Extreme Sailing Team; Third: INEOS Rebels UK
• August 24 – 27: Act 5 in Cardiff
  • Champions: Alinghi; Second: SAP Extreme Sailing Team; Third: Oman Air
• October 18 – 21: Act 6 in San Diego
  • Champions: Oman Air; Second: Alinghi; Third: SAP Extreme Sailing Team
• November 29 – December 2: Act 7 (final) in Los Cabos
  • Champions: Alinghi; Second: Red Bull Sailing Team; Third: Oman Air

ISA

• January 19 – 25: 2018 ISA World Longboard Surfing Championship in Wanning^[85]
  • Open winners: Kai Sallas (m) / Tory Gilkerson (f)
  • Aloha Cup winners:  United States
  • Team points winners:  United States
• September 15 – 22: 2018 ISA World Surfing Games in Tahara, Aichi^[86]
  • Open winners: Santiago Muñiz (m) / Sally Fitzgibbons (f)
  • Aloha Cup winners:  Spain
  • Team points winners:  Japan
• October 27 – November 4: 2018 ISA World Junior Surfing Championship in Huntington Beach^[87]
  • Boys' winners: Keanu Kamiyama (U18) / Grayson Hinrichs (U16)
  • Girls' winners: Rachel Presti (U18) / Caitlin Simmers (U16)
  • Aloha Cup winners:  United States
  • Team points winners:  Japan
• November 23 – December 2: 2018 ISA World SUP and Paddleboard Championship in Wanning^[88]
  • SUP Surfing winners: Luiz Diniz (m) / Shakira Westdorp (f)
  • SUP Distance Racing winners: Michael Booth (m) / Olivia Piana (f)
  • Paddle Distance Racing winners: Hunter Pflueger (m) / Grace Rosato (f)
  • SUP Tech Racing winners: Daniel Hasulyo (m) / Candice Appleby (f)
  • Paddle Tech Racing winners: Lachie Lansdown (m) / Grace Rosato (f)
  • Team Relay Race winners:  Australia (Lachie Lansdown, Terrene Black, Grace Rosato, & Harry Maskell)
  • Junior winners: Ryan Funk (m) / Jade Howson (f)
  • Sprint Race winners: Arthur Carvalho (m) / Amandine Chazot (f)
  • Team Points winners:  Australia
• December 12 – 16: 2018 ISA World Adaptive Surfing Championship in La Jolla^[89]
  •  Brazil and  Australia won 2 gold medals each. Brazil and  United States won 5 overall medals each.
  • Team Points winners: 1.  United States, 2.  Brazil, 3.  Chile

2018 World Surf League

• March 11 – 22: Quiksilver Pro Gold Coast 2018
  • Winners: Julian Wilson (m) / Lakey Peterson (f)
• March 28 – April 8: Rip Curl Pro 2018
  • Winners: Italo Ferreira (m) / Stephanie Gilmore (f)
• April 11 – 22: Margaret River Pro 2018
  • Event cancelled, due to shark and safety concerns.^[90]
• May 11 – 20: Oi Rio Pro 2018
  • Winners: Filipe Toledo (m) / Stephanie Gilmore (f)
• May 27 – June 9: Bali Pro Keramas 2018
  • Winners: Italo Ferreira (m) / Lakey Peterson (f)
• July 3 – 16: J-Bay Open 2018
  • Winner: Filipe Toledo (m) / Stephanie Gilmore (f)
• July 30 – August 5: Vans US Open of Surfing 2018 (Women only)
  • Winner: Courtney Conlogue
• August 10 – 21: Billabong Pro Teahupoo 2018 (Men only)
  • Winner: Gabriel Medina
• September 5 – 9: Surf Ranch Lemoore 2018
  • Winners: Gabriel Medina (m) / Carissa Moore (f)
• October 3 – 14: Quiksilver Pro France 2018
  • Winners: Julian Wilson (m) / Courtney Conlogue (f)
• October 16 – 27: MEO Rip Curl Pro Portugal 2018 (Men only)
  • Winner: Italo Ferreira
• November 25 – December 6: Maui Women's Pro 2018 (Women only; final)
  • Winner: Carissa Moore
• December 8 – 20: Billabong Pipeline Masters 2018 (Men only; final)
  • Winner: Gabriel Medina

2018 FINA Men's Water Polo World League

• November 14, 2017 – April 10, 2018: 2017–18 FINA Men's European Water Polo Preliminary Rounds^[91]
  • Qualified teams to Super Final:  Croatia,  Hungary,  Montenegro, &  Spain
• April 3 – 8: 2018 FINA Men's Intercontinental Water Polo Tournament in Auckland^[92]
  • Champions:  United States; Second:  Australia; Third:  Japan; Fourth:  Kazakhstan
  • Note: All four teams mentioned above all qualified to compete in the 2018 Superfinal.
• June 18 – 23: 2018 FINA Men's Water Polo World League Superfinal in Budapest^[93]
  •  Montenegro defeated  Hungary, 13–11, to win their second FINA Men's Water Polo World League title.
  •  Spain took third place.

2018 FINA Women's Water Polo World League

• November 21, 2017 – May 1, 2018: 2017–18 FINA Women's European Water Polo Preliminary Rounds^[94]
  • Qualified teams to Superfinal:  Spain,  Russia, and  Netherlands
• April 3 – 8: 2018 FINA Women's Intercontinental Water Polo Tournament in Auckland^[95]
  • Champions:  United States; Second:  Australia; Third:  Canada; Fourth:  China; Fifth:  Japan
  • Note: All five teams mentioned above all qualified to compete in the 2018 Superfinal.
• May 28 – June 2: 2018 FINA Women's Water Polo League Superfinal in Kunshan^[96]
  •  United States defeated  Netherlands, 8–6, to win their fifth consecutive and 12th overall FINA Women's Water Polo League title.
  •  Russia took third place.

World water polo events

• August 11 – 19: 2018 FINA Youth Water Polo World Championships in Szombathely^[97]
  •  Greece defeated  Spain, 9–8, to win their first FINA Youth Water Polo World Championships title.
  •  Hungary took third place.
• August 26 – September 2: 2018 LEN European U19 Water Polo Championship in Minsk^[98]
  •  Greece defeated  Montenegro, 14–12, to win their first LEN European U19 Water Polo Championship title.
  •  Spain took third place.
• August 27 – September 2: 2018 FINA World Women's Youth Water Polo Championships in Belgrade^[99]
  •  Spain defeated  Italy, 8–7, to win their first FINA World Women's Youth Water Polo Championship title.
  •  Greece took third place.
• September 9 – 16: 2018 Women's LEN European U19 Water Polo Championships in Funchal^[100]
  •  Spain defeated  Russia, 12–8, to win their first LEN Women's European U19 Water Polo Championship title.
  •  Netherlands took third place.

Ligue Européenne de Natation

• September 14, 2017 – June 9, 2018: 2017–18 LEN Champions League (final eight in Genoa)
  • Olympiacos defeated Pro Recco, 9–7, to win their second LEN Champions League title.
  • CNA Barceloneta took third place.
• September 27, 2017 – April 18, 2018: 2017–18 LEN Euro Cup
  • Ferencvárosi TC defeated Banco BPM SM Busto, 17–13 in a 2-legged final, to win their second consecutive LEN Euro Cup title.
• March 22 – 24: 2018 LEN Women's Europa Cup Super Final in Pontevedra (debut event)^[101]
  •  Greece defeated  Russia, 9–8, to win the inaugural LEN Women's Europa Cup title.
  •  Spain took third place.
• April 5 – 8: 2018 LEN Men's Europa Cup Super Final in Rijeka (debut event)^[102]
  •  Croatia defeated  Spain, 12–9, to win the inaugural LEN Men's Europa Cup title.
  •  Italy took third place.
• July 14 – 28: 2018 European Water Polo Championship for Men and Women in Barcelona^[103]
  • Men:  Serbia defeated  Spain, 12–10, to win their fourth consecutive and eighth overall Men's European Water Polo Championship title.
    •  Croatia took third place.
  • Women:  Netherlands defeated  Greece, 6–4, to win their fifth Women's European Water Polo Championship title.
    •  Spain took third place.
• November 10: 2018 Women's LEN Super Cup Final in Kirishi^[104]
  • Dunaujvaros defeated Kinef-Surgutneftegas, 4–2 in penalties and after an 11–11 score in regular play, to win their first Women's LEN Super Cup title.
• November 30: 2018 LEN Super Cup for Men Final in Budapest
  • Ferencvárosi defeated Olympiacos, 4–2 in penalties and after a 7–7 score in regular play, to win their first Men's LEN Super Cup title.

UANA

• May 1 – 9: 2018 UANA Water Polo Cup in Cochabamba
  •  Colombia defeated  Argentina 12–6, to win their 1st UANA Water Polo Cup.
  •  Chile took third place and  Bolivia too fourth place.