Re: strange pulse development! Any suggestions on that??

Roeret <martin.rordam@xxxxxxxx> wrote:

Hi folks

Today I ran 8*5 min intervals on tm. @ 10% .
I started on my "normal" speed at 5.10/k
Last week (and several weeks before that) this speed would give me an pulse
approx. 159-161 from 2 min to finish.
After 90 sec I can see if I hit the right intensity because +-5 sec from 90
sec I will hit 156 if the intensity is right!

The first interval is allways on a lower pulse (normally it wont even go up
into 157). Today the pulse didn't go up to more than 156/157 on the first
4. I didn't increased the speed before because I had 8 intervals all
together and I would not blew it by running to fast to soon.. After the
first 4 intervals I increased the speed to 5.07/k. Now the pulse would pass
156 on 90 sec BUT not go higher than 157-158 (most 157!). What the h...
After 2 on 5.07/k I increased to 5.05/k and now the pulse would go to 156
on less that 90 sec (some 73) BUT still not high (but now I even saw an
160!! Just a few times). Normally I would cross WAY OVER 162 if I hit 156
so fast!!! So what??
The last I just hit 5.00/k and "lets see what that brings"?? I now crossed
156 on 67 sec!!!! BUT after 3 min I just crossed to 160 and the last 40 sec
it couldn't decide on 160 or 161!! We are now talking the 8. interval and
on a pace 10sec/k faster than ever and here not even a "normal" HR???

What can cause this??

Well firstly from a physiological p.o.v. these differences do not seem
very significant to me.

What is different today from the other days?!

Psychological factors akin to 'race day effect'?

You are fitter than last time you tried this, this is not unheard of.
How has your waking pulse been recently? any decrease, or any lack of
increase after the previous day's training?

Whatever it is, I would just be happy and conclude that my training
programme is working. With n=1 it is very hard to do a valid
deconstruction of exactly which aspect of your training has produced
this effect, unless perhaps you are doing something you haven't done
before or doing more of something than you have done before.

Peter
--
Add my middle initial to email me. It has become attached to a country
.

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