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Jul 2020
7:07pm, 4 Jul 2020
3,790 posts
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Dillthedog
I did a lactate yesterday at Bath sports uni a few years ago. I was expecting something highly technical to work out what my max heart rate was, but they just used the max from the test at the point I could run any further. That’s usually the same as I would see at the end of a max chat 5k or 5m. My lactate threshold heart rate came out at 154 which is true heart rate that I settle at in the middle of a marathon. So really the test just confirmed what I already knew, or thought I knew.
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Jul 2020
7:07pm, 4 Jul 2020
3,791 posts
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Dillthedog
Test not yesterday!
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Jul 2020
7:26am, 5 Jul 2020
11,419 posts
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larkim
It does seem odd to arbitrarily add 2-3 to an observed data point. But then the whole concept of zones which for neatly into 10% brackets also seems a little over-precise. There must be subtle differences in individuals which those brackets don't account for, I suppose that's where proper physiology lab tests come in for things like the lactate turn point.
But in the absence of any lab data on me, I'll stick with the max I measured a few days ago and the karvonnen zones that that predicted.
On a different note, worth noting that optical itself isn't flawed, it's optical on watches which seems to give inconsistent results. The arm band optical devices are reviewed as being accurate.
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Jul 2020
7:41am, 5 Jul 2020
92 posts
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Big_G
I think I'm getting the gist that Mafftone is boring and P&D print stuff that is madnesss  Does that mean I'm boring and mad? I was called "boring normal" by my GP once
As you imply Gobi, we're all an experiment of one. What P&D wrote made sense to me as I just thought there would be an element of self-preservation in my efforts. The fact I wasn't throwing up on the side of the road afterwards seemed to indicate that.
Anyway, I'm fine with my 195 as it works for me, as you say.
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Jul 2020
8:12am, 5 Jul 2020
93 posts
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Big_G
Larkim, interesting about the arm bands. I use a chest strap and even that can be inaccurate for the first mile. On my run this morning my first mile average was was 162, which it clearly wasn't as a) it's slightly downhill and b) I was running very, very easy. Average for the 7-miler including that first mile was 139.
I do wet it before I go out and make sure it fits properly but on occasion this does seem to happen with the chest strap.
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Jul 2020
8:20am, 5 Jul 2020
1,341 posts
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Paul N
Starting to enjoy this Heart Rate training. Very enjoyable and relaxing 13 miler this morning taking in the better part of 1000ft of climb. HR averaged 136 so bang in the middle of Z2.
Just a few weeks ago an average pace north of 10 min/m would have been the cause of some consternation, but I ran my local Parkrun course yesterday in 19:39 which would have been a strong PB.
Still very early days but I'll happily run 10 minute miles on a Sunday if it gets me closer to sixes on a Saturday.
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Jul 2020
8:31am, 5 Jul 2020
13,232 posts
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Garfield
Great running Paul!
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Jul 2020
8:35am, 5 Jul 2020
94 posts
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Big_G
Paul N, I did 20-dead on Friday at a 5K effort that had 5x180deg turns. My PB is 19:40 from 2018 in a proper 5k race so I feel I'm in 5k PB shape after only 10 weeks of this. I was going to post actually, as the 2nd mile I was glancing at my watch and couldn't believe it. Sub-6:30 felt easy, almost like I had another gear. I was too cautious in the first mile as I didn't know what pace to go out at initially but I feel I can go quicker, which is a great feeling.
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Jul 2020
8:55am, 5 Jul 2020
1,342 posts
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Paul N
When you're running your 5th kilometre 13 seconds quicker than your first it can't be a bad thing! Good going.
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Jul 2020
2:48pm, 5 Jul 2020
70,678 posts
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Gobi
If your final Km is 13 seconds quicker you can run much faster throughout.
Big_G i have been coaching a long time so dont see myself as an experiment on one.
However i have stopped overly stressing how people I dont coach do things. It is no longer worth the grief. Anyone who has been on fetch a long times knows I have been in some very heated discussions.
Maybe I got old
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