Last updated: November 15, 2017 at 15:31 pm
Lloyd Scott completed the world’s first underwater by walking a 42 km (26 miles) stretch at the bottom of Loch Ness in 12 days, Scotland, in 2003. He almost had to abandon when he fell 15 feet in total darkness.
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Jeffrey Gallant is the Editor-in-Chief and Records Keeper of the Diving Almanac. He is also a contributing editor of DIVER Magazine, and the scientific director of the Greenland Shark and Elasmobranch Education and Research Group (GEERG). Jeffrey started diving in 1982.