Aside from the common sports like basketball, baseball and football that usually binds the male population together over beer and food, Barcelona is also known for their beaches and water sports. It is in Barcelona that you can get to swim and race at the same time.
The waters are fine for swimming, every day of the year, even in winter. Racing is also a pastime in Barcelona. From the dashes and races made by people to the dashes and races of horses and other racing animals wherein rooting for your opponent may be a tactical error on your part.