Sweden-to-Poland Baltic CrossingPolish Swimmer Defies Exhaustion to Complete First Sweden-to-Poland Baltic CrossingPolish endurance swimmer Bartłomiej Kubkowski has become the first person in the world to complete a nonstop swim across the Baltic Sea from Sweden to Poland. According to RMF24, the athlete covered the 160-kilometer route in approximately 55 hours without sleeping or touching the accompanying support boat. During the second day of the crossing, Kubkowski reportedly lost consciousness several times but recovered and continued swimming toward the Polish coast. Record Swim Supports Cancer CharityThe historic crossing was dedicated to supporting the Cancer Fighters Foundation. Before Kubkowski's achievement, another Polish endurance swimmer, Sebastian Karaś, had completed a shorter Baltic Sea crossing.