Suunto ZoneSense
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@brave_dave Are you sure? Try running in 35°C heat and see for yourself.
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@brave_dave Are you sure? Try running in 35°C heat and see for yourself.
And I’ll add try running 2 or 3d after a hard race and see for yourself. AT and LT will be wildly different than the values prior to the race if you are well trained and tapered. ZS is real time for effort, I do not use ZS to set my zones as they vary a lot. This has been discussed many, many, many times here.
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@jussim no, as I said. For me my threshold seems quite stable. I know how high my average HR is over certain distances and then some races it’s 2 beats above that and on others it’s 2 beats lower, but almost never in line with what SZ says and never fluctuates as much as SZ would suggest. My pace of course was sometimes higher even though my average HR was 2 bpm lower and vice versa.
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@Speed-Man have done that a lot of times over the years. Almost same HR but of course significantly lower pace at same HR. Cardiac drift of course also higher at the end of HM and M races. But until km 17 in HM and 30 in M always in this window of ±2 bpm. 10k and everything below too short for significant cardiac drift. At least with my times
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@Brad_Olwin I always run 2-3 days after races. Only for all-out Marathons, I take two weeks off. My HR is not really influenced by these races. It is not more than the usual ±4 bpms during easy runs at aerobic LT. Of course my legs are tired and the muscular effort feels way higher for the pace but HR is the same for the speed that I run. I would be then not able to run for long time at my LT but due to fatigue. HR is then still in the expected corridor for that pace. Only experienced strong deviations of LT HR at return to sport after stronger infections like COVID and always the first 3 days of winter training camp on the canarien islands. There my body is always completely overwhelmed by the sudden 25°C temperature difference.
SZ though told me so many times, I would be way above or below my threshold even though RPE, HR, and pace was exactly as expected. During the training camp SZ always told me that my Real-Time effort should be way higher. No way that I could ever run under that sudden higher temps at that HR which was close to my 1k all-out HR.
Real-Time effort does not work at all for me, while average reported thresholds over more than hundred activities come close. -
I’m 4.5 months in a horrible state where it feels like all my progress from the past 3 years have gone. Probably the result of severe overtraining.
My aerobic runs used to be around 5:30 min/km below 145 bpm, now I’m well above that heart rate at 6:00 min/km.
Today after 40 minutes of another miserably slow run with elevated HR, I decided to have fun and run by the rhythm of music. I did some sprints, some fast splits, even uphill.
Result from ZoneSense: Aerobic Threshold 164 bpm
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@Francesco-Pagano why can’t this be possible ?
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@thanasis while I can’t SAY it’s not possible, I don’t FEEL it is. I am short of breath at that HR and my perceived effort is high. My easy runs are typically around 145 bpm and coincidentally, that’s close to the values that ZS often indicates as my threshold. As it happened already, when I increase the effort so does the reported value increase. Even when I spend the first 10 minutes or more at low intensity.
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@Francesco-Pagano Likely you didn’t properly do the first ten minutes the way ZoneSense expects for proper calibration so anything it says is suspect.
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@raven I appreciate how confidently you can say what I didn’t do. If you look at my graph you will see 40 minutes of steady pace / effort. I am not even skeptical about the AeT value reported - that would still have little value to ny training - but rather about the fact that ZS shows I’m still doing aerobic training when my effort increases (also shown in the graph).
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