Some competitors seem to have ice in their veins.
Every winter, your local news has a story about some club that gets all their members to jump into a frigid body of water. Maybe it’s for fun, maybe it’s for charity, but it’s not for a long swim. Apparently it would be possible, though. Lewis Pugh has set multiple records by swimming in the open ocean, where the salt in the water allows it to reach below “freezing.” He once swam for over 30 minutes in water that was hovering around the freezing mark. We hope he had a hot tub available after he got out.
Image © Johner Images/Johnér Images/Corbis