Hässelby Sportklubb (English: "Hässelby Sports Club"), commonly referred to as Hässelby SK, or HSK is a professional sports club in Hässelby, Stockholm, Sweden. Founded in 1913, the club offers a range of sports, including football, athletics and floorball. The athletics club, Hässelby SK Friidrott is one of the most prominent clubs in Sweden. Hässelby SK played a pivotal role in the establishment of a number of running events, including Stockholm Marathon, XL Galan and the Tjejmilen. History. Formation.
https://en.wikipedia.org/wiki/H%C3%A4sselby_SK