X-WATERS Seliger 2026

X-WATERS Seliger 2026 is an official amateur open-water swimming festival at Lake Seliger near Svetlitsa in Tver Oblast, Russia. The official page lists 3 to 5 July 2026 and a broad public-entry program including night swim, sprint 200 m, 500 m, 1 mile, 1 km, 3 km, 5 km, 11 km, 27 km and children’s formats.