Wim Hof markets a regimen, the Wim Hof Method (WHM), created with his son Enahm Hof. In 2016 he reached Gilmans point on Kilimanjaro with journalist Scott Carney in 28 hours, an event later documented in the book What Doesn't Kill Us. In 2007, Hof climbed to an altitude of 7,200 metres (23,600В ft) on Mount Everest wearing nothing but shorts and shoes, but aborted the attempt due to a recurring foot injury. This was surpassed in 2014 by Songhao Jin of China, with a time of 1 hour, 53 minutes and 10 seconds and surpassed in 2019 by Josef KГ¶berl of Austria, with a time of 2 hours, 8 minutes and 47 seconds. Hof has set the world record for longest time in direct, full-body contact with ice a total of 16 times, including 1 hour, 42 minutes and 22 seconds on 23 January 2009 1 hour, 44 minutes in January 2010 and 1 hour 53 minutes and 2 seconds in 2013. This record was surpassed on 17 January 2021, by Czech Josef Е ГЎlek, who finished a half-marathon in PelhЕ™imov with a time of 1:36:21. On 26 January 2007, Hof set a world record for fastest half marathon barefoot on ice and snow, with a time of 2 hours, 16 minutes, and 34 seconds. A new record of 76.2 metres (250В ft) was set by Stig Severinsen in 2013. A diver rescued him as he was starting to lose consciousness. The swim at a lake near Pello, Finland was filmed for a Dutch television program, and a test run the previous day almost ended in disaster when his corneas started to freeze and he was swimming blind. On 16 March 2000, Hof set the Guinness World Record for farthest swim under ice, with a distance of 57.5 metres (188.6 feet). Hof at, a 2015 event, at TheaterAmsterdam In 2008 he was urgently hospitalized because he sat on a public fountain in Amsterdam and ruptured his rectum when doing so, resulting in an injury that almost caused his death.

Hof has said that his sadness over the loss of his first wife was formative in leading him to develop techniques to face low temperature environments. When he was 17 he felt a sudden urge to jump into the freezing cold water of the Beatrixpark canal. Hof has six children, four of them with his first wife Marivelle-Maria (also called 'Olaya'), who died by suicide in 1995 a son, born in 2003 to his girlfriend and a son born in 2017 to his last girlfriend. Hof was born in Sittard, Limburg, Netherlands, as one of nine children, in order of birth: Rob (1954), John (1955), Marianne (1957), Wim and Andre (1959-identical twins), Ruud (1961), Ed (1962), Marcel (1964) and Jacqueline (1967).

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