Windsurf 11-city Monster Marathon "Windsurf Elfstedentocht 1988"

Flashback, 11-city windsurftour 1988, 220 km in 2 days and approx 22 hrs on board. For me the 3th time to try and the 1st time to finish this monster windsurf marathon in the Netherlands (Mark van Osch NED-413). :-)