Xtra Stærk Ocean Racing Society is a yacht club founded in 2018 by its current Commodore Arto Linnervuo based in Espoo, Finland. The club’s teams primarily race offshore races, but also participate in the Finnish Sailing League, a track sailing championship between Finnish yacht clubs on smaller keel boats. The club offers a wide range of racing and development opportunities for sailors with diverse skills and experience, and now comprises of almost 100 members.