This documentary series follows three iconic species — caribou, zebra and elephant — on three of the world’s most breathtaking wildlife adventures. Each must overcome immense obstacles, from challenging terrain to hungry predators and sheer physical exhaustion. What drives these animals to risk everything in the race of their lives? Using the latest satellite-tagging technology, a team of scientists and filmmakers can now track the precise journeys of individual animals, witnessing their daily life-and-death decisions first hand as they happen. For the first time, we’ll reveal the complete picture of these epic races — the successes, the failures and the near misses.