Events
Olympic classes events
World championships
- 19–26 August: Women's Laser Radial World Championship in Medemblik, Netherlands [1]
: 
Marit Bouwmeester (NED)
: 
Evi Van Acker (BEL)
: 
Manami Doi (JPN)
- 7–15 July: 470 World Championships in Thessaloniki, Greece [2]
- Men's 470
- :
Mathew Belcher & Will Ryan (AUS) - :
Anton Dahlberg & Fredrik Bergström (SWE) - :
David Bargehr & Lukas Mähr (AUT)
- Women's 470
- :
Agnieszka Skrzypulec & Irmina Gliszczyńska (POL) - :
Hannah Mills & Eilidh McIntyre (GBR) - :
Tina Mrak & Veronika Macarol (SLO)
- Men's 470
- 28 August – 2 September: 49er & 49er FX World Championships in Porto, Portugal [3]
- Men's 49er
- : Dylan Fletcher-Scott & Stuart Bithell (GBR)
- : James Peters & Fynn Sterritt (GBR)
- : Benjamin Bildstein & David Hussl (AUT)
- Women's 49er FX
- :
Jena Hansen & Katja Salskov-Iversen (DEN) - :
Martine Grael & Kahena Kunze (BRA) - :
Alex Maloney & Molly Meech (NZL)
- Men's 49er
- 1–10 September: Finn Gold Cup in Balatonföldvár, Hungary [4]
- : Max Salminen (SWE)
- :
Jonathan Lobert (FRA) - : Nicholas Heiner (NED)
- 5–10 September: Nacra 17 World Championship in La Grande-Motte, France [5]
- : Ben Saxton & Katie Dabson (GBR)
- :
Fernando Echávarri & Tara Pacheco (ESP) - :
Ruggero Tita & Caterina Banti (ITA)
- 12–19 September: Laser World Championship in Split, Croatia [6]
- :
Pavlos Kontides (CYP) - : Tom Burton (AUS)
- : Matthew Wearn (AUS)
- 16–23 September: 2017 RS:X World Championships in Enoshima, Japan
- Men's RS:X [7]
- :
Ye Bing (CHN) - :
Mateo Sanz Lanz (SUI) - : Gao Mengfan (CHN)
- Women's RS:X [8]
- : Chen Peina (CHN)
- : Wu Jiahui (CHN)
- : Lu Yunxiu (CHN)
- Men's RS:X [7]
Sailing World Cup
- 22 January – 11 June: 2017 Sailing World Cup
- 22–29 January: Sailing World Cup Miami in Miami, United States
- Men's 470 winners:
Stuart McNay & David Hughes (USA) [9] - Women's 470 winners: Afrodite Zegers & Anneloes van Veen (NED) [10]
- Men's 49er winners: Dylan Fletcher-Scott & Stuart Bithell (GBR) [11]
- Women's 49er FX winners: Martine Grael & Kahena Kunze (BRA) [12]
- Men's Laser winner: Jean-Baptiste Bernaz (FRA) [13]
- Women's Laser Radial winner:
Vasileia Karachaliou (GRE) [14] - Mixed Nacra 17 winners: Ben Saxton & Nicola Groves (GBR) [15]
- Men's RS:X winner: Louis Giard (FRA) [16]
- Women's RS:X winner: Lu Yunxiu (CHN) [17]
- Men's 470 winners:
- 23–30 April: Sailing World Cup Hyères in Hyères, France
- 2.4 Metre winner: Damien Seguin (FRA) [18]
- Men's 470 winners: Mathew Belcher & William Ryan (AUS) [19]
- Women's 470 winners: Afrodite Zegers & Anneloes van Veen (NED) [20]
- Men's 49er winners: Diego Botín le Chever & Iago López (ESP) [21]
- Women's 49er FX winners: Martine Grael & Kahena Kunze (BRA) [22]
- Men's Finn winner:
Alican Kaynar (TUR) [23] - Men's Formula Kite winner: Nicolas Parlier (FRA) [24]
- Men's Laser winner: Pavlos Kontides (CYP) [25]
- Women's Laser Radial winner: Evi Van Acker (BEL) [26]
- Mixed Nacra 17 winners: Fernando Echavarri & Tara Pacheco (ESP) [27]
- Men's RS:X winner: Louis Giard (FRA) [28]
- Women's RS:X winner: Zofia Noceti-Klepacka (POL) [29]
- 2.4 Metre winner:
- 4–11 June: Sailing World Cup Final in Santander, Spain
- Men's 470 winners: Panagiotis Mantis & Pavlos Kagialis (GRE) [30]
- Women's 470 winners: Hannah Mills & Eilidh McIntyre (GBR) [31]
- Men's 49er winners: James Peters & Fynn Sterritt (GBR) [32]
- Women's 49er FX winners: Martine Grael & Kahena Kunze (BRA) [33]
- Men's Finn winner: Ben Cornish (GBR) [34]
- Men's Formula Kite winner: Nicolas Parlier (FRA) [35]
- Men's Laser winner: Jean-Baptiste Bernaz (FRA) [36]
- Women's Laser Radial winner: Evi Van Acker (BEL) [37]
- Mixed Nacra 17 winners: Fernando Echavarri & Tara Pacheco (ESP) [38]
- Men's RS:X winner: Kiran Badloe (NED) [39]
- Women's RS:X winner: Patrícia Freitas (BRA) [40]
- Men's 470 winners:
- 22–29 January: Sailing World Cup Miami in Miami, United States
- 15 October 2017 – 10 June 2018: 2018 Sailing World Cup
- 15–22 October: Sailing World Cup Gamagōri in Gamagori, Japan
- Men's 470 winners: Mathew Belcher & William Ryan (AUS) [41]
- Women's 470 winners: Agnieszka Skrzypulec & Irmina Gliszczyńska (POL) [42]
- Men's 49er winners: Dylan Fletcher-Scott & Stuart Bithell (GBR) [43]
- Women's 49er FX winners:
Victoria Travascio & María Sol Branz (ARG) [44] - Men's Laser winner: Sam Meech (NZL) [45]
- Women's Laser Radial winner: Anne-Marie Rindom (DEN) [46]
- Men's RS:X winner: Paweł Tarnowski (POL) [47]
- Women's RS:X winner:
Hei Man H V Chan (HKG) [48]
- Men's 470 winners:
- 15–22 October: Sailing World Cup Gamagōri in Gamagori, Japan
African championships
- 27 November – 2 December: RS:X African Championships in Moonbeach Resort, Egypt [49]
- :
Hamza Bouras (ALG) - :
Jean-Marc Gardette (SEY) - :
Mohamed Elsafty (EGY)
Asian championships
- 14–21 November: RS:X Asian Championships in Penghu, Taiwan [50]
- Men's RS:X
- :
Lee Tae-hoon (KOR) - : Cho Won-woo (KOR)
- : Makoto Tomizawa (JPN)
- Women's RS:X
- : Hei Man Chan (HKG)
- : Sin Lam Sonia Lo (HKG)
- : Wai Yan Ngai (HKG)
- Men's RS:X
- 28–29 October: Nacra 17 Asian Championship in Shanghai, China [51]
- : Ruggero Tita & Caterina Banti (ITA)
- : Riley Gibbs & Louisa Chafee (USA)
- : Annette Vibourg & Mattias Brun (DEN)
European championships
- 5–13 May: Finn European Championship in Marseille, France [52]
- : Jonathan Lobert (FRA)
- : Edward Wright (GBR)
- : Ben Cornish (GBR)
- 8–13 May: RS:X European Championships in Marseille, France
- Men's RS:X [53]
- : Louis Giard (FRA)
- : Byron Kokkalanis (GRE)
- : Mattia Camboni (ITA)
- Women's RS:X [54]
- : Zofia Noceti-Klepacka (POL)
- :
Stefania Elfutina (RUS) - : Flavia Tartaglini (ITA)
- Men's RS:X [53]
- 8–13 May: 470 European Championships in Monaco, Monaco [55]
- Men's 470
- : Carl-Fredrik Fock & Marcus Dackhammar (SWE)
- : Guillaume Pirouelle & Jérémie Mion (FRA)
- : Jordi Xammar & Nicolás Rodríguez (ESP)
- Women's 470
- : Afrodite Zegers & Anneloes van Veen (NED)
- : Elena Berta & Sveva Carraro (ITA)
- : Agnieszka Skrzypulec & Jolanta Ogar (POL)
- Men's 470
- 30 July – 4 August: 49er & 49er FX European Championships & Nacra 17 European Championship in Kiel, Germany
- Men's 49er [56]
- : Dylan Fletcher & Stuart Bithell (GBR)
- : James Peters & Fynn Sterritt (GBR)
- : Jacopo Plazzi & Andrea Tesei (ITA)
- Women's 49er FX [56]
- :
Tina Lutz & Susann Beucke (GER) - : Charlotte Dobson & Saskia Tidey (GBR)
- : Victoria Jurczok & Anika Lorenz (GER)
- Mixed Nacra 17 [57]
- : Ruggero Tita & Caterina Banti (ITA)
- : Fernando Echavarri & Tara Pacheco (ESP)
- : Ben Saxton & Katie Dabson (GBR)
- Men's 49er [56]
- 1–8 October: Laser European Championships in Barcelona, Spain
- Men's Laser [58]
- : Nick Thompson (GBR)
- : Francesco Marrai (ITA)
- : Pavlos Kontides (CYP)
- Women's Laser Radial [58]
- : Marit Bouwmeester (NED)
- : Anne-Marie Rindom (DEN)
- : Vasileia Karachaliou (GRE)
- Men's Laser [58]
North American championships
- 14–16 January: 470 North American Championships in Coconut Grove, United States [59]
- : Giacomo Ferrari & Giulio Calabrò (ITA)
- : Matthias Schmid & Lukas Maehr (AUT)
- : Jordi Xammar & Nicolás Rodríguez (ESP)
- 19–20 January: RS:X North American Championships in Miami, United States [60]
- Men's RS:X
- : Pedro Pascual (USA)
- :
Ignacio Berenguer (MEX) - : Juan Bosco Varela Barba (MEX)
- Women's RS:X
- : Marina Aalabau (ESP)
- : Bruna Mello (BRA)
- : Demita Vega (MEX)
- Men's RS:X
- 21–25 June: Laser North American Championship in Vancouver, Canada [61]
- Men's Laser
- : Malcolm Lamphere (USA)
- : Marek Zaleski (USA)
- : Henry Marshall (USA)
- Open Laser Radial
- :
Luke Ramsay (CAN) - : Sophia Reineke (USA)
- : Maura Dewey (CAN)
- Men's Laser
- 22–25 June: 49er & 49er FX North American Championships in Kingston, Canada [62]
- Men's 49er
- : Nevin Snow & Maximiliano Agnese (USA)
- : William Jones & Evan DePaul (CAN)
- : Ryan Wood & Andrew Wood (CAN)
- Women's 49er FX
- : Erin Rafuse & Danielle Boyd (CAN)
- : Carla Munte & Marta Munte (ESP)
- : Anna Yamazaki & Sena Takano (JPN)
- Men's 49er
South American championships
- 2–5 March: 470 South American Championships in Porto Alegre, Brazil [63]
- : Geison Mendes Dzioubanov & Gustavo Thiesen (BRA)
- : Henrique Haddad & Bruno Abdulklech (BRA)
- : Fernanda Oliveira & Ana Barbachan (BRA)
- 13–17 November: RS:X South American Championships in Buenos Aires, Argentina [64]
- Men's RS:X
- : Bautista Saubidet Birkner (ARG)
- : Mariano Reutemann (ARG)
- : Francisco Saubidet (ARG)
- Women's & Youth RS:X
- : Patrícia Freitas (BRA)
- :
María Belén Bazo (PER) - : Daniel Pereira (BRA)
- Men's RS:X
Other major events
America's Cup
- 26 May – 12 June: 2017 Louis Vuitton Cup in Great Sound, Hamilton, Bermuda
- Winners: Emirates Team New Zealand
- Winners:
- 17–27 June: 2017 America's Cup in Great Sound, Hamilton, Bermuda
- Emirates Team New Zealand defeated Oracle Team USA, 7–1.
-
- 20 & 21 June: 2017 Youth America's Cup in Great Sound, Hamilton, Bermuda
- Winners: Land Rover BAR Academy (50 points); Second: NZL Sailing Team (48 points); Third: Team Tilt (42 points)
- Winners:
Extreme Sailing Series
- 8 March – 3 December: 2017 Extreme Sailing Series [65]
- 8–11 March: Act #1 in Muscat, Oman
- Winners: SAP Extreme Sailing Team
- Winners:
- 28 April – 1 May: Act #2 in Qingdao, China
- Winners: Alinghi
- Winners:
- 29 June – 2 July: Act #3 in Madeira, Portugal
- Winners: SAP Extreme Sailing Team
- Winners:
- 20–23 July: Act #4 in Barcelona, Spain
- Winners:
Oman Air
- Winners:
- 10–13 August: Act #5 in Hamburg, Germany
- Winners: Oman Air
- Winners:
- 25–28 August: Act #6 in Cardiff, United Kingdom
- Winners: SAP Extreme Sailing Team
- Winners:
- 19–22 October: Act #7 in San Diego, United States
- Winners: SAP Extreme Sailing Team
- Winners:
- 30 November – 3 December: Act #8 in Los Cabos, Mexico
- Winners: Alinghi
- Winners:
- 8–11 March: Act #1 in Muscat, Oman
Global Kite Sports Association
PWA World Tour
- 3–8 May: Korea
- 11–16 May: Fly! ANA Windsurfing World Cup in Yokosuka, Japan
- 23–28 May: Catalunya, Costa Brava PWA World Cup + Foil Race in Costa Brava, Spain
- 9–15 July: Gran Canaria, Spain
- 21–30 July: Fuerteventura, Spain
- 6–12 August: Tenerife, Spain
- 9–14 September: Waterz Festival in Hvide Sande, Denmark
- 29 September – 8 October: Mercedes-Benz World Cup in Sylt, Germany
- 21–26 November: Nouméa Dream Cup
Volvo Ocean Race
- 14 October 2017 – 30 June 2018: 2017–18 Volvo Ocean Race
- 14 October: In-Port Race in Alicante, Spain
- 22–28 October: Leg #1 from Alicante, Spain to Lisbon, Portugal
- 3 November: In-Port Race in Lisbon, Portugal
- 5–24 November: Leg #2 from Lisbon, Spain to Cape Town, South Africa
- 8 December: In-Port Race in Cape Town, South Africa
- 10–27 December: Leg #3 from Cape Town, South Africa to Melbourne, Australia
Women's International Match Racing Series
- 16 June – 16 December: 2017 Women's International Match Racing Series
- 16–21 June: Women’s Match Racing World Championship in Helsinki, Finland [66]
- : Lucy MacGregor , Silja Frost , Rosie Watkins , Imogen Stanley , & Charlotte Lawrence (GBR)
- : Renée Groeneveld , Marcelien Bos-de Koning , Lobke Berkhout , Sanne Akkerman , & Mijke Lievens (NED)
- : Trine Palludan , Lea Richter Vogelius , Vivi Lund Møller , Anne Sofie Munk-Hansen , & Joan Vestergård Hansen (DEN)
- 7–12 August: Lysekil Women's Match in Lysekil, Sweden
- Renée Groeneveld (NED) defeated Pauline Courtois (FRA), 3–1 in the final. [67]
- 13–18 November: Busan Cup Women's International Match Race in Busan, South Korea
- Lucy MacGregor (GBR) defeated Trine Palludan (DEN), 3–0 in the final. [68]
- 30 November – 3 December: Carlos Aguilar Match Race in Saint Thomas, US Virgin Islands (cancelled)
- 11–16 December: International Bedanne's Cup in Tourville-la-Rivière, France
- Pauline Courtois (FRA) defeated Anne-Claire Le Berre (FRA), 3–1 in the final. [69]
- 16–21 June: Women’s Match Racing World Championship in Helsinki, Finland [66]
World Match Racing Tour
- 20 March – 8 October: 2017 World Match Racing Tour
- 20–25 March: Match Cup Australia in Perth, Australia
- Phil Robertson (NZL) defeated Matt Jerwood (AUS), 3–0 in the final. [70]
- 29 March – 2 April: Congressional Cup in Long Beach, United States
- Ian Williams (GBR) defeated Johnie Berntsson (SWE), 3–2 in the final. [71]
- 2–9 July: GKSS Match Cup in Marstrand, Sweden
- Phil Robertson (NZL) defeated
Taylor Canfield (ISV), 3–0 in the final. [72]
- 1–6 August: Match Cup Russia in Saint Petersburg, Russia
- Phil Robertson (NZL) defeated Sam Gilmour (AUS), 3–0 in the final. [73]
- 5–10 September: Chicago Match Cup in Chicago, United States
- Ian Williams (GBR) defeated Phil Robertson (NZL), 3–0 in the final. [74]
- 3-8 October: Match Cup China in Xiamen, China
- Torvar Mirsky (AUS) defeated Phil Robertson (NZL), 3–1 in the final. [75]
- 20–25 March: Match Cup Australia in Perth, Australia
Other classes
World championships
- 17–22 April: IFCA Youth & Masters Slalom World Championships in Almanarre, France
- 17–22 April: IFCA World Championships (Slalom Junior, Youth & Masters) in Hyères, France
- 9–17 June: Dragon World Championship in Cascais, Portugal [76]
- : Provezza Dragon – Andy Beadsworth , Ali Tezdiker , & Simon Fry (TUR)
- : Annapurna – Anatoly Loginov , Vadim Statsenko , & Alexander Shalagin (RUS)
- : Alfie – Lawrie Smith , Hugo Rocha , João Matos Rosa , & Gonçalo Ribeiro (GBR)
- 10–15 June: RS:One World Championships in Hoi Han, Vietnam
- 20–25 June: Para World Sailing Championships in Kiel, Germany
- 2.4 Metre: [77]
- : Heiko Kröger (GER)
- : Matthew Bugg (AUS)
- : Damien Seguin (FRA)
- Men's Hansa 303: [78]
- : Piotr Cichocki (POL)
- : Christopher Symonds (AUS)
- : Jens Kroker (GER)
- Women's Hansa 303: [79]
- : Violeta del Reino Diez del Valle (ESP)
- : Ana Paula Gonçalves Marques (BRA)
- :
Cherrie Pinpin (PHI)
- 2.4 Metre: [77]
- 24 June – 1 July: RS:X World Youth Championships in Torbole, Italy
- 29 June – 7 July: Star World Championship in Troense, Denmark [80]
- :
Eivind Melleby & Joshua Revkin (NOR) - : Lars Grael & Samuel Gonçalves (BRA)
- : Reinhard Schmidt & Paul Sradnick (GER)
- 10–14 July: J/80 World Championship in Hamble-le-Rice, United Kingdom
- 11–21 July: Optimist World Championship in Pattaya, Thailand [81]
- : Marco Gradoni (ITA)
- :
Muhammad Fauzi Bin Kaman Shah (MAS) - :
Mic Sig Kos Mohr (CRC)
- 13-16 July: M32 World Championship in Marstrand, Sweden [82]
- : Phil Robertson & crew (NZL)
- : Jonas Warrer & crew (DEN)
- : Chris Steele & crew (NZL)
- 15–21 July: Contender World Championship in Sønderborg, Denmark [83]
- : Jason Beebe (AUS)
- : Mark Bulka (AUS)
- : Jesper Nielsen (DEN)
- 16–24 July: Laser 4.7 World Youth Championship in Nieuwpoort, Belgium
- Boys' Laser 4.7 [84]
- : Yılkan Timurşah (TUR)
- : Sofiane Karim (FRA)
- : Cesare Barabino (ITA)
- Girls' Laser 4.7 [85]
- : Federica Cattarozzi (ITA)
- : Giorgia Cingolani (ITA)
- : Ana Moncada Sanchez (ESP)
- Boys' Laser 4.7 [84]
- 19–23 July: Hobie 14 World Championships in Noordwijk, Netherlands
- 21–30 July: Moth World Championship in Malcesine, Italy [86]
- : Paul Goodison (GBR)
- : Peter Burling (NZL)
- : Iain Jensen (AUS)
- 23–28 July: Topper World Championships in Loctudy, France
- 26–29 July: Hobie Wild Cat World Championships in Noordwijk, Netherlands
- 26 July – 2 August: Laser World Under-21 Championships in Nieuwpoort, Belgium
- Men's Laser [87]
- : Joel Rodríguez (ESP)
- :
Jonatán Vadnai (HUN) - : Daniel Whiteley (GBR)
- Women's Laser Radial [88]
- : Mária Érdi (HUN)
- : Hannah Anderssohn (GER)
- : Magdalena Kwaśna (POL)
- Men's Laser [87]
- 29 July – 5 August: 29er World Championship in Long Beach, United States [89]
- :
Benji Daniel & Alex Burger (RSA) - : Benjamin Jaffrezic & Léo Chauvel (FRA)
- : Theo Revil & Gautier Guevel (FRA)
- 31 July – 5 August: Open Bic World Championships in Arco, Italy
- 11–17 August: Laser Radial World Youth Championships in Medemblik, Netherlands
- Boys' Laser Radial [90]
- : Dimitris Papadimitriou (GRE)
- : Matias Dietrich (ARG)
- : Nicholas Bezy (HKG)
- Girls' Laser Radial [91]
- : Hannah Anderssohn (GER)
- :
Dolores Moreira (URU) - : Charlotte Rose (USA)
- Boys' Laser Radial [90]
- 19–26 August: Men's Laser Radial World Championship in Medemblik,
Netherlands [92]
- : Marcin Rudawski (POL)
- : Eliot Merceron (SUI)
- : Zac Littlewood (AUS)
- 20–25 August: H-Boat World Championship in Brunnen, Switzerland [93]
- : Claus Høj Jensen , Frederik Dahl Hansen , & Rasmus Jørgen Andresen (DEN)
- : Morten Nielsen , Niels Henrik Borch , & Claus Rossing (DEN)
- :
Jan Forsbom , Timo Lankinen , Iiro Törnström , & Jukka Nikulainen (FIN)
- 20–27 August: Finn Silver Cup in Balatonfüred, Hungary [94]
- : Oskari Muhonen (FIN)
- : Facundo Olezza (ARG)
- :
Fionn Lyden (IRL)
- 23–26 August: 420 World Team Racing Championships in Campione del Garda, Italy
- 29 August – 3 September: in Boryeong, South Korea
- 12–16 September: J/70 World Championship in Porto Cervo, Italy [95]
- : Peter S. Duncan & crew (USA)
- : Brian Keane & crew (USA)
- : Luca Domenici & crew (ITA)
- 15–21 September: 6 Metre World Cup in Vancouver, Canada [96]
- : Junior – Philippe Durr & crew (SUI)
- : New Sweden – Ben Mumford & crew (CAN)
- : St. Francis IX – Andy Beadsworth & crew (GBR)
- 20–29 September: 505 World Championship in Annapolis, United States [97]
- : Mike Holt & Carl Smit (USA)
- : Mike Martin & Adam Lowry (USA)
- : Andy Smith & Roger Gilbert (GBR)
- 21–30 September: Laser World Masters Championships in Split, Croatia
- 25–30 September: Flying Dutchman World Championship in Scarlino, Italy [98]
- : Szabolcs Majthényi & András Domokos (HUN)
- : Hans-Peter Schwarz & Roland Kirst (GER)
- : Jørgen Bojsen-Møller & Jacob Bojsen-Møller (DEN)
- 4–8 October: IKA KiteFoil World Championships in Cagliari, Italy
- 4–9 September: 5.5 Metre World Championship in Benodet, France [99]
- :
John B – Gavin McKinney , Mathias Dahlman , & Lars Horn Johannessen (BAH) - : New Moon – Mark Holowesco , Christoph Burger , & Peter Vlasov (BAH)
- : Feng Shui – Arend Jan Pasman , Ron Azier , & Kim Chabani (NED)
- 14–20 October: Kiteboarding World Championships in Porto Pollo, Italy
- 13–17 November: KiteFoil GoldCup Final (World Championships) in The Pearl, Qatar
- 18–24 November: Formula Kite World Championships in Muscat, Oman
- 11–15 December: Youth Sailing World Championships in Sanya, China [100]
- Boys' 29er winners: Théo Revil & Gautier Guevel (FRA)
- Girls' 29er winners: Margherita Porro & Sofia Leoni (ITA)
- Boys' 420 winners: Otto Henry & Rome Featherstone (AUS)
- Girls' 420 winners: Carmen Cowles & Emma Cowles (USA)
- Boys' Laser Radial winner:
Maor Ben Hrosh (ISR) - Girls' Laser Radial winner: Charlotte Rose (USA)
- Mixed Nacra 15 winners: Max Wallenberg & Amanda Bjork-Anastassov (SUI)
- Boys' RS:X winner: Yoav Cohen (ISR)
- Girls' RS:X winner: Emma Wilson (GBR)
- Nation's Trophy winners: Italy
- Boys' 29er winners:
European championships
- 15–19 April: Laser 4.7 European Championship in Murcia, Spain
- 6–13 May: RS:X European Youth Championships in Marseille, France
- 28 May – 2 June: International 14 European Championship in Riva del Garda, Italy
- 3–5 June: RS Feva European Championship in Versoix, Switzerland
- 28 June −2 July: European Match Racing Championship in Ledro, Italy
- 29 June – 2 July: 11:Metre One Design European Championship in Flensburg, Germany
- 4–9 July: IFCA Men slalom european championship in La Tranche-sur-Mer, France
- 5–9 July: 505 European Championship in Warnemünde, Germany
- 11–16 July: in Gizzeria Lido, Italy
- 13–17 July: Soling European Championship in Riva del Garda, Italy [101]
- : Farkas Litkey , Károly Vezér , & Csaba Weinhardt (HUN)
- : Florian Felzmann , Michael Felzmann , & Margund Schuh (AUT)
- :
Igor Yushko , Sergey Pichugin , & Igor Severianov (UKR)
- 16–21 July: F16 European Championship in Morges, Switzerland
- 18–22 July: Para Sailing European Championship in Gdynia, Poland
- 22–30 July: 420 European Championships in Athens, Greece
- 24–28 July: RS100 European Championship in Alto Lario, Italy
- 25–29 July: OK European Championship in Faaborg, Denmark [102]
- : Lars Johan Brodtkorb (NOR)
- : Charlie Cumbley (GBR)
- : Bo Petersen (DEN)
- 6–13 August: 420 European Junior Championships & 470 European Junior Championships in Riva del Garda, Italy
- 12–17 August: Formula Kite European Championships in Tirmata, Turkey
- 14–19 August: Dragon European Championship in Thun, Switzerland [103]
- :
Pow Wow – Pedro Andrade , Bernardo Torres Pego , & Charles Nankin (POR) - : Rocknrolla – Dimitry Samokhin , Andrey Korolyuk , & Alexey Bushuev (RUS)
- : Bunker Prince – Yevhen Braslavets , Sergey Pugachev , & Sergey Timokhof (RUS)
- 14–17 September: Sunfish European Championship in Punta Ala, Italy
- 1–8 October: Laser European Championships in Barcelona, Spain
- Men's Laser Radial [58]
- : Marcin Rudawski (POL)
- : Marcelo Cairo Assenza (ESP)
- : Dimitri Papadimitriou (GRE)
- Men's Laser Radial [58]
- 21–27 October: Hansa European Championships in Étang de Thau, France
- 24–29 October: Star European Championship in Sanremo, Italy [104]
- : Torben Grael & Arthur Lopes (BRA)
- : Diego Negri & Sergio Lambertenghi (ITA)
- : Augie Diaz & Bruno Prada (USA)
North American championships
- 13–17 August: 29er North American Championship in Kingston, Canada
- 24–27 August: Soling North American Championship in Milwaukee, United States [105]
- : Peter Hall , William Hall , & Gord Devries (CAN)
- : Michael Dietzel , Hannes Ramoser , & Connor Clafin (GER)
- : Ross Richards , Patrick Richards , & Drew Kosmoski (USA)
- 5–10 September: Star North American Championship in Marblehead, United States [106]
- : Augie Diaz & Bruno Prada (USA)
- : Luke Lawrence & Ian Coleman (USA)
- : George Szabo & Ed Morey (USA)
South American championships
- 23–27 November: Star South American Championship in Olivos, Argentina [107]
- : M. Bellotti & M. Bueno (BRA)
- : H. Longarela & H. Longarela (ARG)
- : F. MacGowan & A. Simonet (ARG)
Other events
- 6–11 March: Bacardi Cup in Miami, United States [108]
- Winners: Mark Mendelblatt & Magnus Liljedahl (USA)
- Winners:
- 24 March – 1 April: Trofeo Princesa Sofia in Palma, Spain [109]
- Men's 470 winners: Tetsuya Isozaku & Akira Takayanagi (JPN)
- Women's 470 winners: Afrodite Zegers & Anneloes van Veen (NED)
- Men's 49er winners: James Peters & Fynn Sterritt (GBR)
- Women's 49er FX winners: Victoria Jurczok & Anika Lorenz (GER)
- Men's Finn winner: Max Salminen (SWE)
- Men's Laser winner: Francesco Marrai (ITA)
- Women's Laser Radial winner: Zhang Dongshuang (CHN)
- Mixed Nacra 17 winners: Fernando Echavarri & Tara Pacheco (ESP)
- Men's RS:X winner: Paweł Tarnowski (POL)
- Women's RS:X winner: Zofia Noceti-Klepacka (POL)
- Dragon winners: Lady Tati – Patrick de Barros & crew (POR)
- J/80 winners: Francisco Javier Chacartegui Cirerol & crew (ESP)
- Men's 470 winners:
- 23–27 May: Delta Lloyd Regatta in Medemblik, Netherlands
- Men's Laser winner: Elliot Hanson (GBR) [110]
- Women's Laser Radial winner: Manami Doi (JPN) [111]
- Men's & Women's 470 winners: Pavel Sozykin & Denis Gribanov (RUS) [112]
- Men's 49er winners: Tim Fischer & Fabian Graf (GER) [113]
- Women's 49er FX winners:
Enia Ninčević & Peiar Cupac (CRO) [114] - Men's RS:X winner: Dorian van Rijsselberghe (NED) [115]
- 2.4 Metre winner: Megan Pascoe (GBR) [116]
- Men's Laser winner:
- 17–25 June: Kiel Week in Kiel, Germany
- Men's 470 winners: Mathew Belcher & Will Ryan (AUS) [117]
- Women's 470 winners: Frederike Loewe & Anna Markfort (GER) [118]
- Men's 49er winners: David Gilmour & Joel Turner (AUS) [119]
- Women's 49er FX winners: Charlotte Dobson & Saskia Tidey (GBR) [120]
- Men's Finn winner:
Deniss Karpak (EST) [121] - Men's Laser winner: Francesco Marrai (ITA) [122]
- Women's Laser Radial winner: Silvia Zennaro (ITA) [123]
- Mixed Nacra 17 winners: Thomas Zajac & Barbara Matz (AUT) [124]
- 12 Metre winners: Kiwi Magic – Johan Blach Petersen & crew (DEN) [125]
- 2.4 Metre winner: Heiko Kröger (GER) [126]
- 29er winners: Benjamin Jaffrezic & Léo Chauvel (FRA) [127]
- 420 winners: Telis Athanasopoulos Yogo & Dimitrios Tassios (GRE) [128]
- 5.5 Metre winners: Hans Köster , Johannes Hensler , Jacob Oersted , & Lea Rüdiger (GER) [129]
- 505 winners: Jørgen Bojsen-Møller & Jacob Bojsen-Møller (DEN) [130]
- Albin Express winners: Jan Brink , Jörg Rüterhenke , Lasse Waltje , & Jan Günther (GER) [131]
- Contender winner: Jesper Nielsen (DEN) [132]
- Europe winner: Anna Livbjerg (DEN) [133]
- Flying Dutchman winners: Kay-Uwe Lüdtke & Kai Schäfers (GER) [134]
- Formula 18 winners: Iordanis Paschalidis & Konstantinos Trigkonis (GRE) [135]
- Hobie 16 winners: Knud Jansen & Christina Schober (GER) [136]
- J/24 winners: Mike Ingham , Max Holzer , Marianne Schoke , Quinn Schwenker , & Paul Abdullah (USA) [137]
- J/70 winners: Jens Marten , Justus Braatz , Terje Klockemann , & Tobias Strenge (GER) [138]
- J/80 winners: Martin Menzner , Frank Lichte , Mika Rolfs , & Nils Beltermann (GER) [139]
- Laser 4.7 winner: Tobias Sandmo Birkeland (NOR) [140]
- Open Laser Radial winner: Caroline Sofia Rosmo (NOR) [141]
- Melges 24 winners: Lennart Burke , Johan Müller , Valentin Ahlhaus , Daniel Schmidt , & Thore Petersen (GER) [142]
- Nordic Folkboat winners: Per Jørgensen , Kristian Hansen , & Bent Nielsen (DEN) [143]
- OK winner: Jim Hunt (GBR) [144]
- Men's 470 winners:
- 5–9 December: Star Sailors League Finals in Nassau, Bahamas [145]
- Winners: Paul Goodison & Frithjof Kleen (GBR)
- Winners:
- 26 December 2017 – 1 January 2018: 2017 Sydney to Hobart Yacht Race from Sydney, Australia to Hobart, Australia
- Line honours: LDV Comanche – Jim Cooney (AUS), 1d 9h 15m 24s [146]
- Handicap winners: Ichi Ban – Matthew Allen (AUS), 2d 12h 13m 31s [147]
- Line honours:
