CrossfitCoverage on Instagram: "If there’s one thing that’s almost guaranteed to be in the open it’s double unders. The jump rope is synonymous with Crossfit and it’s not going anywhere. If you don’t have these down, smooth and steady and able to do large volumes of it without your heart rate taken over and punishing you for whatever is next, it is one of your Achilles heel. What it made me wonder and remember about this event that happened in 2013 at the Crossfit regionals. Could you beat the s

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