A few years ago I was contacted by Nicolas Schreier - a Peruvian Windsurfer, four time Formula Experience Windsurf World Champion, four time National World Champion for Peru, and three time South-American Champion - to create his personal Logo for sporting use, as his own brand representation. He requested something simple, that represented the two key elements: his nationality, and of course, windsurf.
Some ideas and sketches:
Selected Logo: