Natural high for Kenya's runners

Al Jazeera's Andy Richardson travels to Kenya to discover the affects of altitude training on the world's top athletes.

    Higher, faster, stronger.

    Altitude training can improve a runner's performance from 1-2% - and that could be the crucial difference come Rio 2016.

    Al Jazeera's Andy Richardson reports from Iten, Kenya.

    SOURCE: Al Jazeera


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