Jono is windsurfing on a raceboard around the UK, he does this alone without support on the water. However he does go onshore the eat, sleep and rest. It is actually really inspiring because Jono does rely on local contacts onshore. I haven't counted, but it looks like hundred or more enthusiasts volunteered to arrange a place to stay for Jono.
Jono his windsurf quest is a fund raising vehicle for two charities: