Ferry Weertman (born 27 June 1992) is a Dutch competitive swimmer who specializes in long-distance freestyle and open water events. Ferry Weertman (born 27 June 1992) is a Dutch competitive swimmer who specializes in long-distance freestyle and open water events. Ferry Weertman (born 27 June 1992) is a Dutch competitive swimmer who specializes in long-distance freestyle and open water events. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️
10 km open water marathon at the 2016 Olympics in Rio de Janeiro.