Riddarfjärdssimningen – Open Water Swim

Experience community, joy, and a swimming festival in the heart of the capital. Riddarfjärdssimningen is for everyone, young and old, elite or recreational swimmers. In 2026, two distances are offered: 1609m from Stockholm City Hall to Rålambshovsparken and a 3200m loop course. The event takes place in Riddarfjärden, near Norr Mälarstrand.