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Dec 2016
5:57pm, 1 Dec 2016
23,118 posts
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SPR
PtB has given good advice. I don't think you need to pick a method but you may need to understand them. I think working with max HR %ages is the simplest method for controlling your general runs and PtB has given you some %ages to do just tgat
LTHR is a new one to me, I presumed this would need a lab test but a bit of googling suggests a Garmin can calculate this off a 30 min test (your fastest pace for the time). Wouldn't want to do that as training.
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Dec 2016
8:56pm, 1 Dec 2016
3,870 posts
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funkyblizzard
Yep, Garmin calculates Lactate Threshold on a FR630/735. It is expressed as a pace and a heart rate. When they set zones based on this then the lactate threshold pace is the beginning of Z5, so for me my watch says 160bpm (92% of max). Using the method in the fetch article that reckons my threshold would be 155bpm (89% max HR). The other zones are derived from this value.
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Dec 2016
1:02pm, 4 Dec 2016
842 posts
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mbln
Quick question. Since my race last Saturday, I've been seeing a high hr for effort in the first mile. It doesn't appear to be cadence related - doesn't go high enough. It does correspond with a drop in temperature, is this likely a higher hr in response to fending off the cold until warmed up?
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Dec 2016
1:54pm, 4 Dec 2016
3,882 posts
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funkyblizzard
Normally a spike at the beginning indicates a bad connection with the electrodes (which can happen in colder weather). Try wetting the electrodes before or using liquid soap to aid conductivity
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Dec 2016
3:40pm, 4 Dec 2016
1,406 posts
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larkim
Echoing FB's comment - unkess you felt your HR spike like that, I'd assume it was just odd duff data. Just take a look at most of my runs, the HRM data is all over the shop for the first mile and a bit, and then magically settles down into something usable. I'm fairly certain my heart isn't doing what the graphs suggest!!
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Dec 2016
4:35pm, 4 Dec 2016
843 posts
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mbln
Thanks. In my experience the noisy data at the beginning of a run tends to rise to cadence (around 180), and I haven't seen this at all since using the garmin HRM-run. The rise to 150 is uniform over the 4 runs I've done this week, whether the strap has been wetted or not.
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Dec 2016
4:38pm, 4 Dec 2016
12,616 posts
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mulbs
I am a slower runner, and rarely run fast enough to feel my heart trying to escape m,y ribcage, but when I look at my HR zones after a run they tell me I'm spending lots of time in Speed and Endure and hardly any in Fat burning - does this mean that in addition to being slow I'm unfit? I can assure you that I spend no time whatsoever in Speed . . . Endure I could understand . . . Have I made any sense?
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Dec 2016
4:41pm, 4 Dec 2016
12,617 posts
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mulbs
^^^ those are the categories the TomTom site puts my data in to
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Dec 2016
5:06pm, 4 Dec 2016
2,824 posts
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Bob!
What are your HR zones, resting HR and max HR mulbs?
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Dec 2016
5:19pm, 4 Dec 2016
12,633 posts
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Dvorak
I suspect mulbs that your TomTom site is giving you a calculated max HR of around 165? And this is a bit lower than your true max HR and throws all the other figures out.
Do you know what HR you are conversational at? As a rough guide, your "fat burning" will be a bit lower than that.
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Daniels Running Formula. The Definitive Wire.
Jul 2023