Breaking2

Season 1
After six months of scientifically advanced training, three of the world’s most elite distance runners set out to break the two-hour marathon barrier.
20171 episode7+
Documentary
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  1. S1 E1 - Breaking2
    September 20, 2017
    56min
    TV-PG
    After six months of scientifically advanced training, three of the world’s most elite distance runners set out to break the two-hour marathon barrier.
    Available to buy

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National Geographic
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