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FR 955 Series: Training effect calculation is wrong AFTER 12.23 software (may include 12.27 and 13.15 sw)

At the request of Garmin-Kevinduplicate the topic here - from the beta 12.2 forum!
Instead of fixing the problem, Garmin is engaging in bureaucracy!

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Because some of you have reported seeing this on the latest(non-beta) production software, let's please have you start a thread in the main forum for this device:

https://forums.garmin.com/sports-fitness/running-multisport/f/forerunner-955-series

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Training effect calculation is wrong! After the update, this indicator began to be considered incorrect relative to the past similar workouts.

Today, August 22, there was a training session. The workout was in zone 1 with an average heart rate of 135 bpm. Training Effect wrote that he trained his lactate threshold well. O_O IS IT? IT'S A JOKE? The run was strictly in zone 1. My lactate threshold in the app is 176! Until update 12.2 and complete data reset from the watch, Incl. there was no such training!

today's training - 24.08.22. what the ***?!?! WTF?! What is another intense workout? what the *** is a vo2max increase?!? It's a Base workout! This was before the update to 12.2. Garmin please take note and fix this ASAP!

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0 7752324 over 1 year ago

I have the same issue. 955 keeps telling me I’m doing a bunch of vo2max work when I’m in base phase doing z2.

yes, yes, NZ

0 MikeDozer over 1 year ago

similar issue here on 12.23. Moderate 10K trail run gives me vo2max in 4.2 Aerobic training effect + a lot of recovery time. It will affect training readines etc.

0 MUTrunner over 1 year ago in reply to felixfinch

I believe this is happening to me. My zones during activity don't reflect the zones I have set myself. Although I've deleted any "sport" HR zones that garmin has added separately, I keep finding them remade in my user profile. I believe this is what my activities are being based off of somehow.

0 felixfinch over 1 year ago

Same situation today. Run recorded almost entirely in z1 and z2. Training effect is impacting v02 Max...

0 Krueger_ol over 1 year ago

Same issue for me. Several last Easy runs (HR 20-25 beats lower then AT) were considered VO2max training. This impacts also the dynamic training plan, as all my scheduled hard runs were changed to easy runs, when running the day before (and easy is considered vo2 max).

0 gloscherrybomb over 1 year ago

Confirmed here. Last night I did a time trial on a hilly course, with lots of time above threshold. My watch reported Aerobic 3.5 and Anaerobic 0.

0 3064576 over 1 year ago in reply to felixfinch

Yup, seeing exactly the same now! 40 min run somehow accumulated 375 load! In Connect, the heart rate zones look correct, but the training load is way higher than expected.

0 rklyukin over 1 year ago

Garmin in their repertoire - time goes by, people suffer, the problem is not solved !!!!

Garmin-Kevin

0 DPSK over 1 year ago

Funny that the guys here have no problem?

forums.garmin.com/.../is-there-anyone-who-is-not-experiencing-any-issues-introduced-by-12-20-or-12-23

0 S.M.R. over 1 year ago in reply to DPSK

I think it depends on the way each of us uses the watch. Some take the data in very detail, others just see it as indicational. I don't u HR zones in any way, I use pace for my activities and workouts. I do look at the result in HR graphs for interest however and find this in line with expectation. As to the Training effect, again I take it with a pinch of salt and indicational, although generally it seems to tie in with what I would expect for the activity. I certainly haven't had the "pleasure" of a 375 load on a 40min run though...