, Author at 80/20 Endurance

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  • in reply to: Heart rate zone vs FTP on the bike #9331
    Williamson1971
    Participant

    Hi David, hope you’re well.

    So, this week I’ve done some 20 minute steady state mid power zone sets to map my HR, these are all on TP’s.
    The concise data is:

    Z1 180 watts Average HR 100 Max HR 106 (suggested HR for power Z1 is 110 to 124)
    Z2 230 watts Average HR 116 Max HR 124 (suggested HR for power Z2 is 124 to 138)
    Z3 286 watts Average HR 133 Max HR 140 (suggested HR for power Z3 is 145 to 153)

    Regarding calibration of my turbo, looking back at my history, HR vs Power are fairly constant with nothing to suggest that there is an issue with repeatability.

    Just to recap, FTP is 300 Watts with a LTHR of 153.

    Just something to ponder on – I do have mild asthma which is controlled with a preventer. This does restrict the amount of air produced when doing the forced expiratory volume test (we get tested periodically at work). I’m not new to training, I’ve been active all my life so dealing with this isn’t anything new, but it could be the cause of my low HR at high efforts.

    If you’ve time to have a look into this and unpick it that would be great, then I can set my zones and get started for Austria IM 2021 (Covid allowing!!)

    Regards,

    Chris.

    in reply to: Heart rate zone vs FTP on the bike #9259
    Williamson1971
    Participant

    Ok, I’ll be in touch with more data in a week or so. I’ll do some efforts in different power zones and collate the HR data. Just for info, the ride you looked at yesterday was a run, think it’s down as navigation.

    Thanks for your help David, I’ll be in touch.

    in reply to: Heart rate zone vs FTP on the bike #9252
    Williamson1971
    Participant

    Ok, I’ve added you as a coach. I did the FTP on Nov 12th, and the recovery on the 13th. I only did the 20 minute FTP test, and for that reason have had to estimate the LTHR to a point. At minute 10 my HR was 153, at minute 20 it was 157. I averaged 315 watts for the 20 minute test which gives an FTP of 300 watts. I worked out that my HR would have averaged out at 156. This may have been a little lower had I done the 30 minute test at 300 watts. If this is the case and say my average HR was 150 it would still put me out on my Z1 expected HR.

    I’m more than happy to do a full 30 min (well, when I say happy 😵) if that helps, or any other field tests.

    All tests were done indoors.

    Regards,

    Chris Williamson.

    in reply to: Heart rate zone vs FTP on the bike #9248
    Williamson1971
    Participant

    Hi David,

    Yes I did them at the same time.

    So last night I did a recovery turbo. I purposely did it at the middle of Z1, 180 watts for my FTP of 300. My HR averaged out at 95bpm and was more or less steady throughout. The HR table says it should be between 112 and 126bpm for this power output.

    I do have a low resting HR of 44, but this isn’t hugely unusual.

    Can you give me some guidance please as I’m wary of investing heavily into the training and being in the wrong zones.

    Is it a case of working out HR’s to zones now I have both top and bottom end of my HR range?

    Thanks for the reply yesterday, I really appreciate you taking the time out to answer my query.

    Regards,

    William.

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