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  • How do I figure out my true (err on the side of safe) max heart rate? I’m not an athlete. I regularly exceed 175 (220 – 45yo). I just did a 20 minute functional threshold performance test on my peloton. I was definitely huffing and puffing at the end. My heart rate reached 187 and my breathing rate was very high at 59 while my max heart strain was…Read More

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    • The 220 minus age formula is next to useless. For example, I’m 60 yrs old with a max HR of 196, yet I know others my age with 160 bpm max.
      I’m not able to hit my max HR during 20 min critical power test, that requires a shorter, more intense effort. So I would imagine your Max HR is still going to be higher than 187, perhaps by as much as 10-…Read More

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