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May 15, 2023Liked by Marco Altini

I saw a huge decrease in HRV the week prior to the Boston Marathon. I attribute it to mental stress and anxiety about the race (and also poor sleep); however, I was able to do well in the race, setting a PR by over 5 minutes. In the weeks since the race, my HRV #'s are at the upper range, showing a strong recovery.

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