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World's Most Extreme Adventure Races


Written by
Katherine Charters

The toughest endurance challenges in the world involve more than guts and grit. From mountain biking in the Costa Rican jungle to running a marathon in Death Valley, merely crossing the finish line in one piece is a victory. For adventure on the precipice of possibility, look to these upcoming extreme competitions.

Patagonian Expedition Race, Chile

Spend 10 days traversing 400 miles of southern Chile in a team of four by sea kayak, mountain bike and trekking. For information on the race in February 2017, visit

Badwater Ultra Marathon,
Death Valley, California

From July 18 to 20, race 135 miles on foot from the lowest point of Death Valley to the top of Mount Whitney. To brave the heat, sand and cacti, visit

Enduroman Arch to Arc, London to Paris

An epic triathlon from London’s Marble Arch to the Arc de Triomphe in Paris covering 300 miles, including a swim across the English Channel. To register for a 2017 or 2018 race slot, visit

North Pole Marathon

Run 26.2 miles on ice at the top of the world in subzero temperatures. Races held every April 9. Register for the 2017 race at

La Ruta de los Conquistadores, Costa Rica

Follow the 161-mile path of 16th-century conquistadors on a mountain bike through deep jungle and over high-altitude volcanoes from the Pacific to the Atlantic. Register for the November 2016 race at

Plain 100, Cascades, Washington

For an extreme adventure in your own backyard, run 75 miles of trail and 25 miles of forest service roads in the Cascade Mountains completely self-supported on Saturday, September 17, 2016. Register at  

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