I WONDER - Has Anyone Ever Swam The Whole Amazon River? Me Pregunto - Alguien Ha Nadado Alguna Vez Todo El Río Amazonas

In 2007, at age 53, Martin swam the entire length of the Amazon River, a feat that took 66 days and up to 10 hours of swimming daily. Despite the river's dangerous species, he completed the journey, setting a Guinness World Record for the longest open water swim, a record he still holds.

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