Breaking2

Breaking2

Three of the world's top marathon runners set out to break the two-hour barrier after six months of meticulous training. From testing in wind tunnels and running labs in the US to balancing training with daily life in eastern Africa, these pioneers go on a global quest to defy the unimaginable and break the two-hour feat.
Released: 2017-09-20
Genre: Documentary
Duration: 55 min
Production: National Geographic

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