I did a guided lactate Threshold test, and my workout is nicely color coded according to pace on my connect. All the other workouts (including intervals which I did right afterwards) don't
How should I approach the Guided Lactate Test? : r/Garmin
How do I run a Lactate Threshold Test on my Garmin smartwatch? - MyHealthyApple
How to use your running watch as a coach; it's not just GPS that will help run further, faster and smarter
How To Do Your Own Lactate Threshold Test - Outside Online