| 2026 | Circuit | International Ordinary | F4 | United Arab Emirates | Abu Dhabi | 17/01 | 18/01 | |
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| 2026 | Electric Powerboating | UIM E1 World Championship | UIM E1 | Saudi Arabia | Jeddah | 23/01 | 24/01 | |
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| 2026 | MotoSurf | World Championship | Elite, Junior (boys), Junior (girls), Ladies, Masters, Stock, Stock R, Women | United Arab Emirates | Fujairah | 27/03 | 29/03 | |
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| 2026 | Circuit | World Championship | P750 MODIFIED, P750 PRO STOCK, P750 STOCK | South Africa | Capetown | 28/03 | 03/04 | |
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| 2026 | Aquabike | World Series | Circuit – Runabout GP1 , Circuit – Ski Division GP1, Circuit – Ski Ladies GP1, Freestyle | TBA | TBA | 01/04 | 04/04 | To be confirmed |
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| 2026 | Aquabike | World Championship | Endurance | TBA | TBA | 01/04 | 04/04 | To be confirmed |
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| 2026 | Offshore | World Championship | XCAT | United Arab Emirates | Fujairah | 03/04 | 05/04 | |
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| 2026 | Electric Powerboating | UIM E1 World Championship | UIM E1 | Italy | Lake Como | 24/04 | 25/04 | |
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| 2026 | Aquabike | International Ordinary | Circuit classes, Endurance Classes | Croatia | Rijeka | 25/04 | 25/04 | |
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| 2026 | Aquabike | International Ordinary | Circuit classes, Endurance Classes | Croatia | Rijeka | 26/04 | 26/04 | |
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| 2026 | Circuit | Formula World Championship | Endurance S3 | France | Poses | 01/05 | 03/05 | |
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| 2026 | Aquabike | International Ordinary | Circuit classes, Endurance Classes | Croatia | Zagreb | 02/05 | 02/05 | |
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| 2026 | Aquabike | International Ordinary | Circuit classes, Endurance Classes | Croatia | Zagreb | 03/05 | 03/05 | |
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| 2026 | Circuit | World Championship | River Marathon Jet Boat Class A, River Marathon Jet Boat Class CX, River Marathon Jet Boat Class FX, River Marathon Jet Boat Class Unlimited | United States | Emmett to St. Maries (ID) | 08/05 | 17/05 | |
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| 2026 | Circuit | APBA World | EVO GPS 95 | United States | Emmett to St. Maries (ID) | 08/05 | 17/05 | |
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| 2026 | Circuit | Formula World Championship | F4, Endurance S3 | Belgium | Mons | 14/05 | 17/05 | |
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| 2026 | Circuit | Formula World Championship | F125, F250, F500 | Czech Republic | Jedovnice | 15/05 | 17/05 | |
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| 2026 | MotoSurf | World Championship | Elite, Junior (boys), Junior (girls), Ladies, Masters, Stock, Stock R, Women | Slovakia | TBA | 15/05 | 17/05 | |
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| 2026 | Circuit | Formula World Championship | F1 | TBA | TBA | 29/05 | 31/05 | To be confirmed |
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| 2026 | All Disciplines | Aquabike-Circuit-Pleasure Navigation-Offshore | International Raid - Pavia/Venezia | Italy | Pavia/Venice | 29/05 | 31/05 | |
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| 2026 | Circuit | Formula World Championship | F125, F250, F500 | Poland | Znin | 29/05 | 31/05 | |
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| 2026 | Circuit | Formula World Championship | F2, F4 | Lithuania | Klaipėda | 05/06 | 07/06 | |
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| 2026 | Circuit | World Championship | GT30 | Italy | Como | 06/06 | 07/06 | |
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| 2026 | Aquabike | International Ordinary | Circuit classes, Endurance Classes | Croatia | Vodice | 06/06 | 06/06 | |
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| 2026 | Aquabike | International Ordinary | Circuit classes, Endurance Classes | Croatia | Vodice | 07/06 | 07/06 | |
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| 2026 | Aquabike | Continental Series | Circuit – Runabout GP1, Circuit – Runabout GP2, Circuit – Runabout GP4, CIRCUIT - RUNABOUT GP4 JUNIORS, Circuit – Runabout Ladies GP4, Circuit – Runabout Veterans GP1, Circuit - Ski Division GP1, Circuit - Ski Division GP2, Circuit - Ski Division GP3, CIRCUIT - SKI DIVISION GP4, Circuit – Ski Juniors GP3.2, Circuit – Ski Juniors GP3.3, Circuit - Ski Juniors GP4, Circuit - Ski Ladies GP1, Freestyle | Poland | TBA | 12/06 | 14/06 | To be confirmed |
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| 2026 | Circuit | Formula World Championship | F1 | TBA | TBA | 12/06 | 14/06 | To be confirmed |
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| 2026 | MotoSurf | World Championship | Elite, Junior (boys), Junior (girls), Ladies, Masters, Stock, Stock R, Women | Turkey | TBA | 12/06 | 14/06 | |
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| 2026 | Circuit | Formula World Championship | F125, F250, F500 | Italy | Boretto | 12/06 | 14/06 | |
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| 2026 | Electric Powerboating | UIM E1 World Championship | UIM E1 | Croatia | Dubrovnik | 13/06 | 14/06 | |
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