Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more.
Get 30% off Outside+
Fuel All Your Adventures With This Holiday Sale
Every summer, 50 elite athletes endure a torture test of cold and wet at a tiny island off the south coast of Ireland, where they train to swim the English Channel. The only rules: No wetsuits. Or whining. Matt Bondurant goes deep.