What do you mean by "flat out" A max 30second effort, a max 1 minute effort, a max 5 minute effort, or what? From rest to the HR I can hold for 60 minutes is around 6 minutes at a steady power I can hold for 60 minutes. However with a 60second max effort, I would be there at or shortly after the end of the interval.WillemJM said:If you are plodding along at 60% of LT and then you go flat out. How long to reach your LT heart rate? Mine takes forever, about 6 to 8 minutes. My LT is around 95% of my maximum HR.
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