Clarence Giles Navigating Rapids Of The Yellowstone River

Clarence Giles was a 41-year-old livestock auctioneer who completed the longest distance covered in a continuous open water swim back in 1939.

He traversed 288 miles from Billings to Glendive, Montana swimming, floating, and navigating his way down the Yellowstone River in 71 hours 3 minutes. In terms of distance, he broke the records of Pedro A Candiotti who swam 281 miles down the Parana River from Santa Fe to Zarate in Argentina in 84 hours in 1933 and Charles Zibelman who swam 145 miles down the Hudson River from Albany to New York City for 148 consecutive hours in 1935.

The toughest part of the swim was a surprise to me, just above the Buffalo rapids where the water pitched downward sharply for 75 feet. There was a whirlpool at the bottom and I got caught in it and smacked around pretty hard before I could work my way out,” explained Giles to the Lawrence Journal-World in 1939. He hit all kinds of wood and boulders as he swam and drifted at a pace of 3.6 miles per hour.

He stopped only once, interestingly adhering to the not-quite-then-established rules of two-way channel swimmers when he stopped for only 10 minutes en route while his escort car was stalled. The car was used by his wife and daughter to supply him food along the course.

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