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Lactate Threshold

  • 30-11-2014 9:11pm
    #1
    Leroy42
    Registered Users, Registered Users 2 Posts: 15,755 ✭✭✭✭


    I can't find an answer in the search so hopefully this question hasn't been asked already, if it has just point me in the right direction.

    Lactate Threshold (or whatever version the particular software uses) is as far as I am aware the maximum sustainable output (either HR or power) for an hour. It is usually based on 95% of a 20 minute test (or section in a ride).

    My question is how repeatable is LT. If I do a theoretical 1 hour climb at LT is that basically it for the day? Or is it repeatable given a certain amount of recovery? (Obviously a day recovery would do the trick but I'm more thinking of descending back down the mountain)

    Basically is doing the 1 hour at LT eating into my reserves significantly more than doing the same 1 hour effort at less than LT?


Comments

  • #2
    Lumen
    Registered Users, Registered Users 2 Posts: 31,138 ✭✭✭✭Lumen


    FTP (CP60) is a little higher than lactate thresholds (there are several), but regardless it depends a lot on state of training.

    Axiomatically you can't do more than one hour continuously at CP60 unless you have zero anaerobic work capacity.
    Leroy42 wrote: »
    Basically is doing the 1 hour at LT eating into my reserves significantly more than doing the same 1 hour effort at less than LT?

    Yes.


  • #3
    Leroy42
    Registered Users, Registered Users 2 Posts: 15,755 ✭✭✭✭Leroy42


    So, based on that, if I'm doing something like Marmotte I need to stay a certain % below LT on all but the last climb (which in my experience you can't reach LT at that point anyway).

    By staying say 10% below LT on the other climbs would that, in theory at least, land me in a better position to tackle the last section?


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