World's Most Extreme Adventure Races

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World's Most Extreme Adventure Races

From dizzying altitudes to scorching deserts, these 11 ultramarathons, ironman triathlons, and obstacle courses call for almost super human strength.

Enduroman Arch To Arc - London to Paris

If a Double Ironman isnʼt enough for you, try the Enduroman. Held in June, the Arch to Arc is a collective 290-mile triathlon consisting of an 87-mile run from Central Londonʼs Marble Arch to Dover on England’s southern coast, a 22-mile swim across the English Channel to France, followed by a 181-mile bike ride to the Arc de Triomphe in Paris. Considered to be the most grueling solo endurance event out there, the average finishing time hovers around 100 hours. If you succeed, youʼll join the elite group of only nine racers who have ever finished. (

Badass Score: 10


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