10 Toughest & Craziest Races In The World

Call them crazy, but there are certain people in this world who just love to race and push their bodies to the absolute limit. If you fall into the above category and are bored of entering the same old straightforward marathons and triathlons, the next 10 races are designed just for you. Whether it’s running up a frighteningly steep ski slope or swimming through freezing water between 26 separate islands, the following races are some of the toughest and most entertaining on the planet.

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