To add context: we did our steps based on target heart rate, not pace. The above tabular:
My first lactate test. Lifelong exerciser, with last 6 months all zone 2 per MAF. Wanted to see if anyone can make sense of this:
Resting lactate 1.4.
20 minutes in, HR 123, lactate 1.7.
Then I sort of crossed over to a strange walk/run, and lactate spiked to 4.3 at 128 bpm, 30 minutes.
At 40 minutes I was at a comfortable run pace, 140 bpm, and lactate dropped to 2.7.
45 minutes, 145 bpm and lactate to 1.4.
Lactate went back up in the next 20 minutes. BPMs of 160 and 170 saw concurrent lactate measurements of 5.7 and 6.6.
We missed some steps due to faulty readings.
Testing done by an experienced coach. I was nasal breathing the entire time, and fasted. He (coach) have me a reasonable narrative around the spike and drop, but I wanted to hear your thoughts and implications for training zones. I’m entirely focused on longevity and metabolic health, so care mostly about being correct in the lower zones.
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