Introduction: The story of the beginning
Marathon 1: Antarctica. Union Glacier: a trial by fire in the coldest place on Earth
Marathon 2: South America. Punta Arenas, Chile: the shakedown
Marathon 3: North America. Miami, United States of America: the forging of the alliance
Marathon 4: Europe. Madrid, Spain: the painful test
Marathon 5: Africa. Marrakech, Morocco: the unraveling
Marathon 6: Asia. Dubai, United Arab Emirates: when to win alone would have been a loss
Marathon 7: Oceania. Sydney, Australia: the final showdown.
