![LTHR zones are calculated by changing % instead of base LTHR number - Forerunner 955 Series - Running/Multisport - Garmin Forums LTHR zones are calculated by changing % instead of base LTHR number - Forerunner 955 Series - Running/Multisport - Garmin Forums](https://forums.garmin.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/648/pastedimage1668681616001v2.png)
LTHR zones are calculated by changing % instead of base LTHR number - Forerunner 955 Series - Running/Multisport - Garmin Forums
![Heart rate zones, which should I use - resting HR or lactate threshold? - fēnix 5 series - Wearables - Garmin Forums Heart rate zones, which should I use - resting HR or lactate threshold? - fēnix 5 series - Wearables - Garmin Forums](https://forums.garmin.com/cfs-file/__key/communityserver-discussions-components-files/170/1328907.jpg)
Heart rate zones, which should I use - resting HR or lactate threshold? - fēnix 5 series - Wearables - Garmin Forums
![Fenix 5 LTHR - Why is BPM reducing significantly as my fitness increases? - fēnix 5 series - Wearables - Garmin Forums Fenix 5 LTHR - Why is BPM reducing significantly as my fitness increases? - fēnix 5 series - Wearables - Garmin Forums](https://forums.garmin.com/cfs-file/__key/communityserver-discussions-components-files/170/1474637.png)
Fenix 5 LTHR - Why is BPM reducing significantly as my fitness increases? - fēnix 5 series - Wearables - Garmin Forums
![Heart rate zones, which should I use - resting HR or lactate threshold? - fēnix 5 series - Wearables - Garmin Forums Heart rate zones, which should I use - resting HR or lactate threshold? - fēnix 5 series - Wearables - Garmin Forums](https://forums.garmin.com/cfs-file/__key/communityserver-discussions-components-files/170/1328908.jpg)
Heart rate zones, which should I use - resting HR or lactate threshold? - fēnix 5 series - Wearables - Garmin Forums
![BUG - Not possible to set more than 100% of LTHR in heart rate zones - Edge 1030 - Cycling - Garmin Forums BUG - Not possible to set more than 100% of LTHR in heart rate zones - Edge 1030 - Cycling - Garmin Forums](https://forums.garmin.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/153/lthr_5F00_zones.png)