The annual European Sauna Marathon in Otepää, Estonia, attracts nearly 1000 participants from various countries. Competitors visit 21 saunas, staying at least 3 minutes in each, often dressed in humorous costumes. While the event is competitive, the focus is on fun rather than speed. Estonians have a rich sauna tradition, with the smoke sauna recognized as a UNESCO heritage site. Saunas are integral to Estonian culture, offering relaxation and socialization.