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Lactate Threshold - how to trigger?

badbri
over 5 years ago

I have had my 945 now for about 2 months but my Lactate Threshold measurement is still empty after all this time?  Does anyone know how Garmin suggests we trigger it?  There isn't anything in the 945 manual that I can find.

  • 0 over 5 years ago in reply to badbri

    Were you able to run the test? As I’m planning on running the test tomorrow sometime. 

  • 0 over 5 years ago

    Hi,

    the same for me, I have device since May 2019 and device never detected new LTHR. In the past previous model 935 detected it just after about 3-4 weeks. I do 6 days trainings a week, I did also many races (halfmarathons, 10km nad 5km) in meantime and nothing. I will try to start test directly.

  • 0 over 5 years ago in reply to Brychu

    u need chest HRM, is rquired for estimate lactate treshold, just click training in Run mode scroll down you will find it

  • 0 over 5 years ago in reply to dhika0811

    Hi,

    of course that I use HRM-RUN all the time, never used OHR during my trainings.

  • 0 over 5 years ago in reply to Brychu

    Unfortunately, the same for me. While I got frequently detections with my 630 and 935 (of course I only expect them when wearing my HRM-run), I have never seen it on my 945 (also own it since May).

    So I will also give the guided test a try in the next weeks.

  • 0 over 5 years ago in reply to JohnTheRunner

    Sorry so late responding, I only just now ran the test early this morning.  Here is the step by step for mine:

    Warmup then press lap button

    4 minutes in Zone 2

    4 minutes in Zone 3

    4 minutes in Zone 4

    3 minutes in Zone 5

    at the conclusion of the Zone 5 minutes it displayed my Lactate Threshold HR and Pace.

    I did it on an extremely hot/humid morning here in SC so I take some of that with a grain of salt, particularly the Pace number.  But it is what it is.

  • 0 over 5 years ago in reply to badbri

    So it means that 945 device detected your LTHR during manual test but didn't detect it automatically during your workouts? Some bug?

  • 0 over 5 years ago in reply to Brychu

    It won't detect in regular workouts unless those workouts meet specific criteria.

    For me, I do a ton of trail running and only 1 road run a week, if that in many weeks actually.  I suspect it HAS to be a road run to trigger and even then you need to run across multiple heart rate zones in order to meet the right criteria.

  • 0 over 5 years ago in reply to badbri

    Hmm, I usually don’t do trail runs and did them during vacation and had two times a new LT detected.

  • 0 over 5 years ago in reply to badbri

    Since May 2019 I had a lot of runs across multiple HR Zones and nothing. Normally with the same or similar runs model 935 detected LTHR without any problems.