Just as iPads, laptops, mobile phones, escalators, hybrid vehicles, submarines, microwaves, supplement-fortified gel paks and airplanes were as unimaginable in mankind’s past, so were scenes like this.

Many generations ago, no one in society could not imagine over 6,500 open water swimming events being held around the world – where masses of people of all ages and abilities like these individuals in the Sheko Challenge in Hong Kong would willing run into the ocean and swim for hours.

Global open water swimming race calendar is posted here.

Copyright © 2012 by Open Water Source