DETROIT – On a calm, rippling Detroit River, three swimmers tow a trio of boards equipped with long masts and carbon fiber wings toward a clear patch of water. They flip the boards, climb on top, ...

What are they doing out there ‘surfing’ above the flat water with that bright sail? If you have visited lakes in the Truckee-Tahoe region this summer, you may have seen “wing foilers” racing back and ...