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Breaking2

Breaking2

Three of the world's best distance runners set out to break the two-hour marathon barrier after a six-month period of scientifically improved preparation. From testing in wind tunnels and running labs in the United States to balancing training with their day-to-day lives in Eastern Africa to the final heart-pounding race in Italy, these pioneers go on a global quest to defy the unimaginable and break the two-hour milestone.
Released: 2017-09-20
Genre: Documentary
Duration: 55 min
Production: National Geographic

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