u/Exotic_Badger9868

%LTHR vs %MaxHR

Hi everyone. I did a treadmill stress test 2 months ago. I just began running March of this year.

The treadmill stress test indicated that my max hr is 210. So I adjusted my zones accordingly:

Zone 1: 105 to 126 bpm

Zone 2: 126 to 147 bpm

Zone 3: 147 to 168 bpm

Zone 4: 168 to 189 bpm

Zone 5: 189 to 210 bpm

However, I noticed that I just felt really slow and even when I'd increase my zone 2 speed, I can still comfortably talk. I searched and people online said to set garmin ti it's %LTHR setting instead of %MaxHR. And the results were different:

Zone 1: 116 to 142 bpm

Zone 2: 142 to 158 bpm

Zone 3: 158 to 169 bpm

Zone 4: 169 to 178 bpm

Zone 5: 178 to 209 bpm

Note: Garmin states that my Running Lactate Threshold is 178 bpm.

Is %LTHR really more reliable than %MaxHR? I feel like I may have wasted my easy running by being "too easy" and I haven't been able to build my aerobic base for the past months due to my setting being %MaxHR.

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u/Exotic_Badger9868 — 8 days ago