Otyliada 2016, held on May 9, 2016, at the Museum of Sport and Tourism, was a major event featuring a nocturnal swimming marathon designed to engage families and promote swimming as a healthy activity. The event celebrated participation with over 8,000 individuals having taken part in similar marathons organized since 2011. The winner of the 2016 edition was Sebastian Karaś, who achieved a remarkable feat by swimming 54.2 km, setting both an OTYLIADA record and a Polish record for continuous swimming. Following his victory, Karaś shared details about his ambitious project to swim across the Baltic Sea. The exhibition also highlights the event's broader goal of popularizing swimming nationwide under the slogan 'The whole of Poland swims with us'. Additionally, Andrzej Kotulecki, the event's originator, donated commemorative medals and a mascot to the museum's collection, further preserving the legacy of the 'Otyliada'.