The Cup has traveled from the back of a duck boat in the streets of Boston to the greens of Pebble Beach, and from a sauna in Finland to a Slovakian castle.

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The oldest public sauna still in use in Finland is the Rajaportin Sauna, a smoke sauna dating back to 1906 and located in the southern city of Tampere.

BBC: The origins of bathhouse culture around the world

The sauna marathon should not be confused with the sauna world championships that took place in Finland from 1999 through 2010 and were discontinued after a competitor died and another became sick after sitting too long in extremely hot saunas.

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To stay in Finland and not take a sauna would be like visiting Ancient Rome and not stopping at the local bathhouse.

BBC: The origins of bathhouse culture around the world

Saunas are ubiquitous in Finland, a country with around two million saunas, or approximately one sauna for every two or three people.

BBC: The origins of bathhouse culture around the world