I have just run 12k for the first time (Yah!). A few days later I ran 5k, but ran it a bit fast (for me) and I pushed it a bit at the end so I was sweating and had monetary near dizziness. After I stopped I felt tired but ok.
Then I looked at my HR chart and wondered what was hell was happening at the end. First I though it was Hr strap dropout, but they normally happen as spikes and these are bursts of high hr lasting up 12-15 seconds. Is this what my heart was doing or should I think that the monitor has messed up?
Anybody got any ideas?
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Answers
I find it hard to believe that a heart can jump around like that, but that makes me think the monitor has gone a bit wonky. Anyway, we’ll see.
I've been for a few runs since I got the damned watch. Steady 10-15k runs, sprinting the last 400 metres which I'd say leaves me in zone 5 (can barely talk) but throughout the run I'm pretty comfortable. High zone 3 / low zone 4 if I had to judge based on my body. However, my Garmin Forerunner 45 says my average HR is 177bpm which puts me in zone 5 for 92% of my run. I'm 25, relatively fit but nothing special. Someone mentioned it might be cadence lock, but my cadence is 165~ and I've tightened it up loads on my wrist to avoid it.
Is this dangerous that I'm running at such a high HR for nearly an hour everytime?
And I really doubt if you're running at near max HR for an Hour running_t, you just don't really know what yr MaxHR is., and I suspect its way over 177 at your age - I'm 72 and I can see 175 quite easily(on my Garmin watch, so I ignore it)