| 2021 | Offshore | Offshore World Series | XCAT | United Arab Emirates | Dubai | 10/12 | 10/12 | |
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| 2021 | Offshore | Offshore World Series | XCAT | United Arab Emirates | Dubai | 11/12 | 11/12 | |
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| 2021 | Aquabike | Aquabike International Ordinary | Aquabike International Ordinary – Runabout GP1 , Aquabike International Ordinary – Runabout GP2 , Aquabike International Ordinary – Runabout GP3 , Aquabike International Ordinary – Runabout GP4, Aquabike International Ordinary – Ski division GP1 , Aquabike International Ordinary – Ski division GP2 , Aquabike International Ordinary – Ski division Veterans GP2, Aquabike International Ordinary – Ski Juniors GP3.1 , Aquabike International Ordinary – Ski Juniors GP3.2 , Aquabike International Ordinary – Ski Juniors GP3.3 | United Arab Emirates | Dubai | 05/02 | 06/02 | Postponed / New date TBC |
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| 2021 | Aquabike | Aquabike International Ordinary | Aquabike International Ordinary – Freestyle , Aquabike International Ordinary – Runabout GP1 , Aquabike International Ordinary – Runabout GP2 , Aquabike International Ordinary – Ski division GP1 , Aquabike International Ordinary – Ski division Veterans | United Arab Emirates | Abu Dhabi | 24/03 | 26/03 | |
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| 2021 | Special Event | Special Event | Class 1 Test Event | United States | Cocoa Beach (FL) | 20/05 | 23/05 | |
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| 2021 | Circuit | Circuit World | River Marathon Jet Boat Class A, River Marathon Jet Boat Class CX, River Marathon Jet Boat Class FX, River Marathon Jet Boat Class Unlimited, River Marathon Jet Boat Overall | United States | Gold Beach (Oregon) - St Maries (Idaho) | 21/05 | 30/05 | Cancelled due to Covid-19 situation |
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| 2021 | Aquabike | Aquabike International Ordinary | Aquabike International Ordinary – Runabout GP1 , Aquabike International Ordinary – Runabout GP2 , Aquabike International Ordinary – Runabout GP4, Aquabike International Ordinary – Runabout Ladies GP4 , Aquabike International Ordinary – Ski division GP1 , Aquabike International Ordinary – Ski division GP2 , Aquabike International Ordinary – Ski division GP3 , Aquabike International Ordinary – Ski Ladies GP1 | Croatia | Fazana | 21/05 | 23/05 | Cancelled due to Covid-19 situation |
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| 2021 | Circuit | Circuit International Ordinary | Formula 4, GT15, GT30 | Finland | Lohja | 22/05 | 23/05 | |
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| 2021 | Circuit | Formula Continental | Formula 2 | Italy | Ponte Tresa | 22/05 | 23/05 | Cancelled due to Covid-19 situation |
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| 2021 | Special Event | Special Event | V2 Test Event | Malta | TBA | 27/05 | 29/05 | |
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| 2021 | MotoSurf | Motosurf | UIM Motosurf World Cup | Czech Republic | Jedovnice | 04/06 | 06/06 | |
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| 2021 | Circuit | Circuit International Ordinary | INTERNATIONAL RAID PAVIA/VENICE | Italy | Pavia - Venezia | 05/06 | 06/06 | |
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| 2021 | Offshore | Offshore International Ordinary | INTERNATIONAL RAID PAVIA/VENICE | Italy | Pavia - Venezia | 05/06 | 06/06 | |
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| 2021 | Aquabike | Aquabike International Ordinary | INTERNATIONAL RAID PAVIA/VENICE | Italy | Pavia - Venezia | 05/06 | 06/06 | |
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| 2021 | Pleasure Navigation | Pleasure Navigation International Ordinary | INTERNATIONAL RAID PAVIA/VENICE | Italy | Pavia - Venezia | 05/06 | 06/06 | |
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| 2021 | MotoSurf | Motosurf | UIM Motosurf World Cup | Belgium | Deinze | 11/06 | 13/06 | |
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| 2021 | Circuit | Formula World | Formula 125, Formula 500, Formula 250 | Italy | Boretto | 11/06 | 13/06 | |
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| 2021 | Pleasure Navigation | Pleasure Navigation European | Endurance Boat Production 300 (B), Endurance Promotion 150 (P) | Italy | Ravenna | 11/06 | 13/06 | |
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| 2021 | Circuit | Circuit Continental | GT15 | Finland | Rauma | 12/06 | 13/06 | |
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| 2021 | Circuit | Circuit International Ordinary | Formula 4, GT30 | Finland | Rauma | 12/06 | 13/06 | |
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| 2021 | Offshore | Offshore European | Class 3D | Italy | Rodi Garganico | 24/06 | 27/06 | |
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| 2021 | Pleasure Navigation | Pleasure Navigation World | Endurance Boat Production 300 (B), Endurance Promotion 150 (P) , Endurance Sport 450 (S) | Italy | Rodi Garganico | 24/06 | 27/06 | |
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| 2021 | Circuit | Circuit International Ordinary | Formula 125, Formula 4, GT15, GT30, OSY400 | Estonia | Tallinn | 26/06 | 27/06 | |
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| 2021 | Special Event | Special Event | Class 1 Test Event | United States | Sarasota (FL) | 26/06 | 28/06 | |
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| 2021 | Circuit | Formula Continental | Formula 250, Formula 500 | Poland | Chodziez | 26/06 | 27/06 | |
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| 2021 | Aquabike | Aquabike International Ordinary | Aquabike International Ordinary – Runabout GP1 , Aquabike International Ordinary – Runabout GP2 , Aquabike International Ordinary – Runabout GP4, Aquabike International Ordinary – Runabout GP4 Junior, Aquabike International Ordinary – Runabout Ladies GP4 , Aquabike International Ordinary – Ski division GP1 , Aquabike International Ordinary – Ski division GP2 , Aquabike International Ordinary – Ski division GP3 , Aquabike International Ordinary – Ski division Veterans , Aquabike International Ordinary – Ski Juniors GP3.2 , Aquabike International Ordinary – Ski Juniors GP3.3 , Aquabike International Ordinary – Ski Ladies GP1 | Estonia | Tallinn | 26/06 | 27/06 | |
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| 2021 | Aquabike | Aquabike World Series | World Aquabike Class Pro – Circuit – Ski Juniors GP3.2 , World Aquabike Class Pro – Circuit – Ski Juniors GP3.3 | Poland | Elk | 01/07 | 04/07 | |
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| 2021 | Aquabike | Aquabike Continental Series | Class Pro – Circuit – Runabout GP1, Class Pro – Circuit – Runabout GP2, Class Pro – Circuit – Runabout GP4, Class Pro – Circuit – Runabout Ladies GP4, Class Pro – Circuit – Runabout Veterans GP1, Class Pro - Circuit - Ski Division GP1, Class Pro - Circuit - Ski Division GP2, Class Pro - Circuit - Ski Division GP3, Class Pro - Circuit - Ski Ladies GP1, Class Pro – Freestyle | Poland | Elk | 01/07 | 04/07 | |
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| 2021 | Circuit | Formula World | Formula 2 | Lithuania | Kupiškis | 04/07 | 06/07 | |
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| 2021 | Special Event | Special Event | Monaco Energy Boat Challenge | Monaco | Monaco | 06/07 | 10/07 | |
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