Complex sentence: The Sahara Race is part of the 4 Deserts, a series of footraces across the most forbidding deserts in the world including the Gobi Desert in China, the Sahara Desert in Egypt, the Atacama Desert in Chile and Antarctica.
Split into simpler sentences: The Sahara Race is part of the 4 Deserts, a series of footraces across the most forbidding deserts in the world. Other race locations are the Gobi Desert in China, the Sahara Desert in Egypt, the Atacama Desert in Chile, and Antarctica.