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May 2021
2:44pm, 27 May 2021
12,131 posts
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chunkywizard
I have mine set to the top end of Zone 2 and lactate threshold so I can see if it was easy or very hard!
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May 2021
3:23pm, 27 May 2021
1,821 posts
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Brunski
Just about Dvorak, my green is in line with 70% WHR, might need adjusting 1bpm down but tricky to change on mobile, the red is what I've approximated as my threshold turnpoint. For a PB race effort I'd expect:
A marathon to be pretty much all in the grey zone, creeping up to and maybe just through threshold in the final mile or so.
A HM I'd expect to race just below/at the red line with possibly the last few creeping over.
10k I'd expect vast majority to be on/ just above the red line getting higher in the last mile or 2.
5k I'd expect to be up above the red line quickly and HR to rise slightly.
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May 2021
3:40pm, 27 May 2021
14,563 posts
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larkim
I've just taken a look and reset mine to top of zone 2 and bottom of zone 4, previously I think I had it set as top of zone 2 but bottom of zone 5.
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May 2021
8:55am, 28 May 2021
4,634 posts
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steve45
Quite unbelievable how things have improved since I started running some 42 years ago😂 No HRM back then and even stop watches had only just emerged for the masses. Effort was judged by "hands on knees" or throwing up at the end of a race!!
Useful info there chunky wizard, brunski and Larkim.
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May 2021
11:22am, 28 May 2021
17,729 posts
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Chrisull
The irony is once you've trained with HRM enough, you get to know the different feelings of the different zones by feel, and don't need a HRM as you can do it by perception/feel. But perception has to be trained and is easily hoodwinked when running with a bunch.
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May 2021
12:05pm, 28 May 2021
3,643 posts
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J2R
I'm a bit puzzled why I simply don't seem to be hitting very high rates any more, whatever I do. Obviously there is a year on year decline as you get older, and at 60 I'm no spring chicken any more, but that decline is only gradual as I understand it, maybe 0.5 to 1 beats per year. My MHR was, I'm pretty sure, something like 177 a couple of years ago, but I don't think I've seen anything in the 170s for a long while now.
A couple of days ago I did something which I assumed would push it up close to max. I ran very fast, something like VO2max pace, for around 625 metres and then hit a hill averaging 5-6% gradient for 250 metres. At the end my heart rate was 169, the highest figure I've seen for a long while. But I would have expected it to be higher. And it had only climbed to 155 or so before I hit the hill.
I'd like to think it was a greater level of fitness which was causing this, but it seems odd. You do need to be able to access the very high heartrates when the occasion demands, and I would have thought this was such an occasion.
I have to say this was as measured by my wrist HRM on my Polar M430 watch, which I really don't trust normally, as opposed to my favoured chest strap. But it's normally either accurate (if I'm warm enough) or completely, wildly inaccurate, it's not normally out by 5-10 beats.
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May 2021
12:21pm, 28 May 2021
4,165 posts
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StuH
I made the same observation recently after a long period of running slow and far. I was bluntly told "Your not trying hard enough"! 😂
Probably true TBF
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May 2021
12:26pm, 28 May 2021
311 posts
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azx
My max HR goes down a lot as I get fitter. I can hit high 180s when unfit and struggle to get much above 172 when fit. That's all out lung busting sprint at the end of a 5k
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May 2021
1:17pm, 28 May 2021
22,515 posts
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Dvorak
Did you throw up? Did you have to lie down? If neither ... try harder 
Just some days you can't dig out, I think, J2R. I'm having days like those, mostly. Your run does sound what would normally do the job, or nearly.
I did a two mile time trial on a blaes track on Wednesday. Reckon my current max is 192: put foot down over last 200m and hit 183. Felt surpringly ok afterwards. I'd obviously not tried hard enough
Actually, I'd paced it slightly conservatively, by maybe 2s a lap, to make sure I got round. A faster last 400m, or carrying on and steaming up the grass banking at the end might have given some interesting figures. Maybe next time.
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May 2021
1:42pm, 28 May 2021
14,576 posts
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larkim
This might be utterly wrong, but I get the impression your heart ramps its beats up when you're unfit and you're straining yourself in an almost precautionary way to ensure there's enough O2 to go around, where as when you're fitter it's better able to predict the required O2 so doesn't get itself as high. Now I've written that down, it sounds like nonsense though. Maybe it simply is that you need to try harder J2R
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