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Breaking2

Breaking2

After six months of scientifically improved training, three of the world's top distance runners set their sights on breaking the two-hour marathon barrier. These pioneers embark on a global quest to defy the inconceivable and break the two-hour barrier, from wind tunnel and running lab testing in the United States to juggling training and daily life in eastern Africa, to the final heart-pounding race in Italy.
Released: 2017-09-20
Genre: Documentary
Duration: 55 min
Production: National Geographic

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