[Blake Bolton]

Back in January I did an AeT test at the local lab and they determined that my threshold (RER .85) was at 162bpm which I was happy with as this same time last year I was at 140. A few days later I did a self administered Anaerobic Threshold test (30min test period) and determined that my Anaerobic Threshold was 185bpm. This put me at a difference of 12.5% so I would need to get my AeT to 166/167 to be within 10%

So over the last couple of months I’ve been doing consistent z2 workouts trying to get to that 10%. Recently I’ve tried to do the HR drift test but it’s been difficult to really target 166bpm for the test to see if that’s where I’m at. Lately while doing the z2 workouts I’ve been finding that i’m feeling much more fatigued afterwords and that my energy level from day to day isn’t what it used to be.

I’m wondering if even though I may not quite be at the 10% if I should switch to zone 1 with the occasional z3 workout? I’m also hoping that 30min was long enough of a testing time for the Anaerobic Threshold test? I’d like to not have to do that again as it threw me into an asthma attack afterwords.

Any info would be greatly appreciated as mountain season is quickly approaching.
Thanks!

Topic

[Anonymous]

Anonymous on March 4, 2020 at 10:03 am #39239

Back in January I did an AeT test at the local lab and they determined that my threshold (RER .85) was at 162bpm which I was happy with as this same time last year I was at 140.

Well done!

Recently I’ve tried to do the HR drift test but it’s been difficult to really target 166bpm for the test to see if that’s where I’m at.

Heart rates aren’t that precise. Think in terms of 5-BPM buckets, not specific BPM values. Start your next test around 165 and see what happens.

Lately while doing the z2 workouts I’ve been finding that i’m feeling much more fatigued afterwords and that my energy level from day to day isn’t what it used to be.

This is normal. Your pace in Z2 has probably increased, so those workouts will be more fatiguing. The solution is to do less of Z2 and replace the volume with Z1.

I’m wondering if even though I may not quite be at the 10% if I should switch to zone 1 with the occasional z3 workout?

Yes.

I’m also hoping that 30min was long enough of a testing time for the Anaerobic Threshold test? I’d like to not have to do that again as it threw me into an asthma attack afterwords.

Sounds like it was long enough!

[Anonymous]

Anonymous on March 4, 2020 at 10:04 am #39240

Also! In your lab test, did they give you an estimate of anaerobic threshold? what was your average heart rate at an RER of 1.0?

[Blake Bolton]

Blake Bolton on March 4, 2020 at 6:01 pm #39264

Hey Scott,
Thank you so much for your thorough response and info. It’s truly appreciated. I’m looking back at my test results and we started cooling down before I crossed over to RER 1.0 (I strangely crossed over during my cool down though) The data shows my heart rate at 188 for RER .94? Maybe my personal AnT test was off? I attached the last bit of data from the lab test for reference.

I actually have a credit at the local lab, would it be worth doing another test? I originally did a steady state exercise metabolic rate test but they also offer Lactate test that also tests for AnT.

Thank you again.

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[Anonymous]

Anonymous on March 6, 2020 at 7:53 am #39308

In your lab test, did they give you an estimate of anaerobic threshold? And did they explain how they arrived at it?

If not, contact them and ask them to estimate it from the test data.