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Oct 2017
8:59pm, 9 Oct 2017
25,060 posts
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SPR
Nice work J2R.
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Oct 2017
2:05pm, 10 Oct 2017
1,995 posts
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steve45
My morning HR was ok and as usual but my run was dreadful today! Think that the effort I put in yesterday on a very hilly route took more out of me than I figured and should have rested today. My HR (unmonitored) felt as if I was at tempo pace (for me). Ugh!
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Oct 2017
3:59pm, 10 Oct 2017
760 posts
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J2R
Steve, that's exactly where an HRV reading would be interesting. Your resting heart rate doesn't give you nearly as much information as a heart rate variability reading.
Just to be clear, I don't (yet) see HRV monitoring as some kind of vital training tool I couldn't live without, but I do find it very interesting, and I see its potential. I also believe that when I was recovering from the symptoms of overtraining (brought on by hard racing with a virus) 2 years ago, it helped me recover my fitness (and probably health) more quickly.
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Oct 2017
10:20am, 11 Oct 2017
1,999 posts
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steve45
What you're saying seems spot on J2R and I'm sure that HRV would /will benefit me. I intend to follow it up!
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Nov 2017
9:25am, 2 Nov 2017
38 posts
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John Bach
I had planned to refer to the heart rate data on my Garmin during my marathon last Saturday, just to ensure that I was actually running relatively comfortably. Unfortunately in the first mile the heart rate data was completely bonkers (showing a heart rate of 190+, when my maximum is just under 190) and didn't change even by playing about with the strap. I ended up taking it off, which wasn't a major issue although it would have been good to have looked back at the h/r data!
Has anyone else experienced this in a race? Is it due to the proximity of other hrms? I wore it a few days later and there were no "glitches" at all!!
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Nov 2017
9:39am, 2 Nov 2017
1,880 posts
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StuHolmes
I often see that for the first mile of a run, until I have worked up a sweat. The HRM picks up cadence from the movement of my shirt.
Apparently it is common and Garmin's advice? Don't wear synthetic materials! Alternatively give it a lick just before you run. 
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Nov 2017
9:58am, 2 Nov 2017
31,561 posts
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GlennR
...the strap, that is.
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Nov 2017
10:03am, 2 Nov 2017
3,221 posts
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larkim
Whilst my Wahoo HRM has been substantially more predictable than my old "CooSpo" one, I get the first mile issues too - despite always wetting / licking the straps first, and making sure that the watch is actually reading sensible HR before I go out. Despite that it'll go haywire 1 out of 3 times for the first mile.
When I've had it go awry in a race it's always come back eventually, and I think there is some correlation between the top I wear and the static interference causing it to mis-read. Though I'm not 100% sure about that.
So on that basis I rarely trust what it is telling me for the first mile or so, if it is reporting nonsense after that I'd either be thinking of changing the battery when I get home, or detaching it for a few minutes mid-run and then re-enabling it.
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Nov 2017
10:22am, 2 Nov 2017
14,577 posts
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Dvorak
I find that sometimes. Not enough conductivity. I may not be running fast enough to sweat. And that's just in training. My latest one seem particularly prone to it.
In races I found sometimes that since I'd put the belt on in advance, by the time I started running, it had dried out, with the same effect.
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Nov 2017
11:23am, 2 Nov 2017
6,298 posts
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paul the builder
JB - what does the graph look like before you took it off? Since what the responses above are describing, and I also see, is quite common - rogue high HR readings before we're properly 'sweating' to ensure a good contact. Like Stu, I find it reads my cadence (or a glitchy approximation of) during that time. But throughout this time (for me, it resolves sometime in the second mile normally) it's varying, not constant.
So I'm not sure you don't have something different. Was your reading 'stuck' on one fixed value all the time? Or did it vary?
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