British adventurer Dave Cornthwaite is stand-up paddling the length of the Mississippi River, 2,400 miles from the river’s source in Lake Itasca, Minnesota to its delta in Louisiana. Cornthwaite just after setting out on June 20. His paddle is the fourth of 25 planned trips in a project he calls , in which he travels long distances using non-motorized transportation. He’s hoping $1.59 million for two British charities. Cornthwaite needs to complete his Mississippi SUP within 90-days—the duration of his tourist visa. On his previous three Expedition 1000 journeys, Cornthwaite longboarded 3,621 miles across Australia in 2007 (breaking the Guinness World Record for the longest distance traveled on a skateboard), kayaked 1,540 miles on Australia’s Murray River in 2009, and rode 1,400 miles on a tandem bicycle from Vancouver, Canada to Las Vegas, Nevada, with a friend.
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