Phew, training for UTMB and big mountain races is tough! 

Big mileage and vertical is a staple for any training program. For my UTMB buildup, I’ve been averaging 75+ miles with 12K+ feet of vertical per week.

But based building only gets you so far. , I’ve focused on several specific tactics to build mountain running fitness and prepare my body for the huge task of UTMB.

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