Windfoiling (or foil windsurfing) is a surface water sport that is the hydrofoiling evolution of windsurfing, as well as typical sailing boats and sailing hydrofoils. It uses similar equipment to windsurfing with a normal or slightly evolved rig on a normal or specialist foil board.

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The board has a hydrofoil mounted in the fin box. The hydrofoil lifts the board off the water and enables the rider to achieve improved speeds in light winds due to the reduced drag.^{[1][better source needed]}

The foil transmits a hydrodynamic lift force to the board, capable of lifting it out of the water. The goal is to reduce drag and increase performance.^{[need quotation to verify]}

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Windfoiling is planned as a new Olympic event for 2024 (the fourth of 10 to use foiling equipment).^[2][3] They will be using the Starboard IQFoil gear.^[4][5]

• Land windsurfing — on large skateboard, propelled by sail
• Hydrofoil board — surfboard with a hydrofoil
• Wing foiling - a lightweight wing on a surfboard with a hydrofoil