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| September / 2018 | ||||
| 14/Sep-16/Sep | - | 2018 Flying Scot Women's North American Championships | Hixson, TN, USA | |
| 14/Sep-16/Sep | - | Delta Lloyd Open Dutch Championships | Medemblik, Netherlands | |
| 14/Sep-16/Sep | - | German J 70 Sailing League | Kiel, Germany | |
| 14/Sep-16/Sep | - | J 70 Great Lakes Championship | Grosse Pointe, MI, USA | |
| 14/Sep-16/Sep | - | UBS (20th) Jersey Regatta | , Jersey (British Isles) | |
| 15/Sep-16/Sep | - | Lake Ontario Short-Handed Race Series Races 5 & 6 DYC Weekend | , Ontario, Canada | |
| 15/Sep-16/Sep | - | Long Island Sound Championship | Riverside, CT, | |
| 15/Sep-16/Sep | - | Thistle Naptown Regatta | Indianapolis, IN, United States | |
| 16/Sep-17/Sep | - | Jack & Jill Regatta | Seattle, WA, | |
| 18/Sep-21/Sep | - | J 111 North American Championship | Macatawa, MI, USA | |
| 19/Sep-22/Sep | - | Perini Navi Cup | Porto Cervo, Sardnia, Italy | |
| 20/Sep-23/Sep | - | Russian J 70 Sailing League- Vladivostok- Supreme | Vladivostok, Russia | |
| 21/Sep-23/Sep | - | 32nd Annual J-Jamboree Regatta | Guildofrd, NH, | |
| 21/Sep-23/Sep | - | 505 Canadians | Kingston, Ontario, Canada | |
| 21/Sep-23/Sep | - | Canadian J/105 National Championship | Toronto, Ontario, Canada | |
| 21/Sep-23/Sep | - | CORK Fall Regatta - Ontario Sailing Combine | Kingston, Ont, Canada | |
| 21/Sep-23/Sep | - | German J 70 Junior Sailing League- Hamburg | Hamburg, Germany | |
| 21/Sep-23/Sep | - | I420 Canadian Championship | Kingston, Ont, Canada | |
| 21/Sep-23/Sep | - | J 80 Atlantic Le Telegramme | Lorient, France | |
| 21/Sep-23/Sep | - | J/22 Northeast Championship | Diamond Point, NY, | |
| 21/Sep-23/Sep | - | Lobster Bowl | Falmouth, ME, USA | |
| 21/Sep-23/Sep | - | Swiss J 70 Challenge Leagua Finale- Estavayer | Estavayer, Switzerland | |
| 22/Sep-29/Sep | - | J 70 World Championship | Marblehead, MA, USA | |
| 22/Sep-30/Sep | - | Semana de Velas- Buenos Aires | Buenos Aires, Argentina | |
| 25/Sep-30/Sep | - | U.S. Adult Championship for the Mallory | Wayzata, MN, USA | |
| 27/Sep-30/Sep | - | Italian J 70 Sailing League- Porto Cervo Finale | Porto Cervo, Sardinia, Italy | |
| 28/Sep-30/Sep | - | British Sailing League- Finale | Cowes, Isle of Wight, United Kingdom | |
| 28/Sep-30/Sep | - | Clagett / Oakcliff Match Race hosted by The WaterFront Center | Oyster Bay, NY, USA | |
| 28/Sep-30/Sep | - | Clagett/Oakcliff Match Race Clinic and Regatta | Oyster Bay , NY, USA | |
| 28/Sep-30/Sep | - | Swiss J 70 Promo League Finals- Offen | Offen, Switzerland | |
| 28/Sep-30/Sep | - | US KiteFoil National Championship | Chicago, IL, USA | |
| 29/Sep-30/Sep | - | American YC Fall Series | Rye, NY, USA | |
| 29/Sep-30/Sep | - | AYC Fall Series I | Annapolis, MD, | |
| 29/Sep-30/Sep | - | J 24 Autumn Cup | Saltash, Cornwall, United Kingdom | |
| 29/Sep | - | Lake Pontchartrain Great Lake Race 2018 | New Orleans, LA, USA | |
| October / 2018 | ||||
| 05/Oct-07/Oct | - | Dutch J 70 Sailing League- Veere | Veere, The Netherlands | |
| 05/Oct-07/Oct | - | Italian J 70 Junior League- Trieste | Trieste, Italy | |
| 05/Oct-07/Oct | - | Swiss J 70 Super League Finals- Versoix | Versoix, Switzerland | |
| 06/Oct-07/Oct | - | American YC Fall Series | Rye, NY, | |
| 06/Oct-07/Oct | - | AYC Fall Series II | Annapolis, MD, | |
| 06/Oct-07/Oct | - | Cleveland (216) Regatta | Cleveland, OH, USA | |
| 06/Oct-07/Oct | - | Cleveland (216) Regatta | Cleveland, OH, USA | |
| 06/Oct-07/Oct | - | Cleveland (216) Regatta | Cleveland, OH, USA | |
| 06/Oct-08/Oct | - | German J/22 Open Regatta | Berlin, Germany | |
| 06/Oct | - | Oakcliff October Grade 5 | Oyster Bay, NY, USA | |
| 06/Oct-07/Oct | - | Storm Trysail Club Intercollegiate Offshore Regatta | Larchmont, NY, | |
| 06/Oct-08/Oct | - | The Lee Family Trophy | Oyster Bay, NY, USA | |
| 06/Oct-07/Oct | - | Viper 640 New England Championship | Darien, CT, USA | |
| 10/Oct-14/Oct | - | GC32 Racing Tour: GC32 TPM Med Cup | Toulon, France | |
| 10/Oct-14/Oct | - | J 109 2018 North American Championship | Larchmont, NY, USA | |
| 10/Oct-14/Oct | - | J/109 North American Championship | Larchmont, NY, USA | |
| 12/Oct-16/Oct | - | 2018 Etchells Queensland CHampionships | Brisbane, Queensland, Australia | |
| 12/Oct-14/Oct | - | China Coast Race Week | Hong Kong, China | |
| 12/Oct-14/Oct | - | German J 70 Junior League- Attendorn | Attendorn, Germany | |
| 13/Oct-14/Oct | - | Puget Sound Sailing Championship | Seattle, WA, | |
| 18/Oct-27/Oct | - | 2018 Etchells Worlds Championships | Brisbane, Queensland, Australia | |
| 18/Oct-21/Oct | - | 9th Annapolis Fall Regatta | Annapolis, MD, | |
| 18/Oct-21/Oct | - | Extreme Sailing Series Act 6, San Diego, USA | San Diego, CA, USA | |
| 18/Oct-21/Oct | - | Extreme Sailing Series, Act 6, San Diego (Harbor Island) | San Diego, CA, USA | |
| 18/Oct-20/Oct | - | German J 70 Sailing League- Hamburg | Hamburg, Germany | |
| 19/Oct-21/Oct | - | France Ligue Nationale de Voile- La Rochelle | La Rochelle, France | |
| 19/Oct-21/Oct | - | J/105 International Masters Regatta | San Diego, CA, | |
| 19/Oct-21/Oct | - | Swiss J 70 Sailing League- Youth Cup | Tenero, Switzerland | |
| 20/Oct-20/Oct | - | Celebrating 50 Years of Etchells Dinner | Brisbane, Queensland, Australia | |
| 20/Oct-21/Oct | - | J 70 Fall Brawl | Easport/ Annapolis, MD, | |
| 20/Oct-21/Oct | - | Puget Sound Fall Regatta | Seattle, WA, | |
| 20/Oct | - | Rolex Middle Sea Race | Gzira, Malta | |