The 4 Deserts Ultramarthon Series (the 4 Deserts) is a world-class series of 250-kilometer / 150-mile ultramarathons across the largest deserts on Earth. These are the Gobi Desert in Mongolia, the Atacama Desert in Chile, the Namib Desert in Namibia and Antarctica.
The 4 Deserts also organizes the RacingThePlanet Ultramarathon, an annual race that takes place in a new location each year. The first RacingThePlanet Ultramarathon took place in Vietnam in 2008, followed by Namibia in 2009, Australia in 2010, Nepal in 2011, Jordan in 2012, Iceland in 2013, Madagascar in 2014, Ecuador in 2015, Sri Lanka in 2016, Patagonia in 2017 and New Zealand in 2019. In 2020, the race takes place in The Great Caucasus of Georgia.