IMPOSSIBLE to train under zone 2. HELP!!

I'm gonna guess it's because the 10k "tempo" run was 1 hour, but the 6k "base" run was 30 minutes. To determine the impact of a run, I think Garmin isn't just looking at the intensity of your runs, but the amount of time spent at a given intensity (and how that intensity varies -- e.g. for intervals).

It might suggest that your longer runs need to be even slower, so you can build endurance. Or maybe you need to run more weekly mileage.

As a counter-example, if you ran for 1 km at the same average HR as the 6k run, you'd probably get "no benefit" for your training effect..

I agree that sometimes training effect seems counter-intuitive. Like when I do slower runs of 20-34 km, they're often labelled as "tempo" even though I wouldn't call them tempo runs at all, based on my speed and perceived effort.

Your HR zones look a bit odd. Especially zone 3. It is 164-165 or 168-169. That makes your zone 3 practically non existent. Why did your zones change between the screenshots?

Your zone 2 also goes really high. What is your max heart rate?

Exactly. Not very realistic. and the Max hf is rahter high i suppose,

Did you ever do a max. heart rate test ?

and did you use the calulation of the zones by garmin ?

And do you wear a Strap ?

And what did you chose. Scales based max Hf rate or lactate ?

Thanks for the replies guys, appreciate any help really.
My max is 197 bpm , resting is 44bpm

I use HRM pro 

I have now switched to % of Reserve method. Hopefully the zones are better suited. 

Alternatively this is % of Lactic threshold method. 

Let me know which one looks more realistic to you guys.

Lactate is better.

But still is your max hf realistic. You must be pretty young thow.

The % of zones is ok now

I think I'm getting somewhere guys!!

Never ran so slow in my life but ended up doing a quck 5k recovery today. I the pace was pretty much the culprit along with using the wrong HR zone method. HR % reserve method seems to be working. Today I ran at 6:15 pace avg and I could nose breathe throughout the entire 5k. 

Results : 

Something is wrong with the Garmin Algorithm. 11.03 to 11.10 introduced this new heart rate metric that has made every run I do that used to be a base run, as a tempo run now. I ran for 1 hour in blue and my watch said my run was a tempo. I bothered Garmin a lot during the beta phase and I don't know what the criteria is for base anymore. On recovery days, I run 9:00 to 9:30s. That has been considered base now. Even though it is 50% Zone 1 or more.

Don't let the watch control you. Just run to feel. If it felt easy, it was easy. If it felt like a tempo because of intervals or a sustained run. That's what it probably was. I consider the training status and performance condition more. I know when my performance condition will be lower if I'm having trouble staying at a consistent pace for long run days. I know when a status is going to be productive or not based on how I felt after the run. Time times perceived effort.

Example: I ran 8:30s for 8 miles. Tempo... But that's not how it felt. I run that in my sleep and this particular day was super humid. It even bumped up my heat acclimation since it was a bit warmer then what it has been where I live. Status was maintaining. So that tells me I could of ran a couple more miles to add more to my training load.

Example: I ran intervals. 1 mile Zone2 or slower. 6x 1ks @ 7:30 to 8:00 minute miles w/ recovery time of 2:30 in between each interval. 1 mile Zone2 or slower cooldown. I would consider this a lower tempo run in terms of exercise load. So this might be more accurate. It was marked tempo. Status was maintaining. I could of pushed more on this interval. I think I can bump my interval paces up. I try to keep intervals at an hour to let my body recover between intervals.

I have a fartlek run today. So I plan to push up to Zone 4 and Zone 5. Zone 5 should be a pace you can only do for about 2 minutes before you really are wheezing. Zone 4 should be about an hour and a half to sustain before the lactate starts affecting you.

example: I did this last week and felt fine after the run thanks to recovery, Garmin said it was a tempo, but it felt more like a lower threshold run to me. Status was productive.

I hope this helps you not go crazy with the stats that Garmin throws at you. There is a lot. Not every stat is important to everyone either.