WATCH: Kilian Jornet's Half Marathon Trail Run Is Rowdy AF!

WATCH: Kilian Jornet's Half Marathon Trail Run Is Rowdy AF!

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WATCH: Kilian Jornet's Half Marathon Trail Run Is Rowdy AF!

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While many people are prepping for their first races of the season by running on road, Kilian Jornet is running the craziest half marathon anyone could ever imagine through the Norwegian alps.

Related: Kilian Jornet Runs Along The Razor’s Edge

*Video courtesy of Kilian Jornet

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