[darrenmarshall]

Hi Team
I’ve done three HR Drift tests trying to find the correct AeT HR. I’ve had confusing results so though Id post hear for advice.
Test 1 – HR135 – Drift 1.07%
Test 2 – HR140 – Drift – 1.59%
Test 3 – HR145 – Drift – -0.34%

1&2 were on the same route, seaside path, reasonably flat.
3 was around a flat path in a park.

Test 3 was completed this morning. This week has been an easy week in my training where I have dropped volume. I have been running easy for several months, building up again after a cycling accident in January. No interval training, just steadily building volume back to my average 40 mile week.

Is a drop in normal volume enough to give a negative drift result even at the higher 145 HR?
I plan to run another test next week at HR150 in the same location as test 3. Is this the correct next step?

Thanks for your input.

Topic

[Shashi]

Shashi on August 27, 2020 at 11:24 am #44582

Are you using Training Peaks? Can you make the workouts public and share the link?

[darrenmarshall]

darrenmarshall on August 27, 2020 at 12:58 pm #44601

http://tpks.ws/EP7HEYNLKUHB7TI4FEYTRMETSU

[darrenmarshall]

darrenmarshall on August 27, 2020 at 12:58 pm #44602

http://tpks.ws/VAH4VTVXNEZUNTI4FEYTRMETSU

[darrenmarshall]

darrenmarshall on August 27, 2020 at 12:59 pm #44603

http://tpks.ws/5BN2A6X56DENPTI4FEYTRMETSU

[Shashi]

Shashi on August 27, 2020 at 6:06 pm #44605

What is interesting in your third test is that if you leave out Lap 1 and just select rest of the workout (~51 mins) you get a Pa:Hr of ~ 0.6%

Based on that and your previous results, I think you should do the test again at higher target HR as you suggested.

[darrenmarshall]

darrenmarshall on September 1, 2020 at 8:43 am #44697

http://tpks.ws/QJITEIKM4JUJ5TI4FEYTRMETSU

[darrenmarshall]

darrenmarshall on September 1, 2020 at 8:44 am #44698

Test 4 – HR150 – Drift – 4.65%

Test 4 completed earlier today on the same course as tests 1&2. A better result!

[Anonymous]

Anonymous on September 10, 2020 at 1:36 pm #44933

Good work. That’s a good example of the slower runs being well within your aerobic capacity and the last test pushing the boundary.

Next, test your AnT HR so you can put AeT in perspective.