Originally Posted by
Jughed
This is my guess - I rode all summer without heart rate data. I typically only put my HR monitor on during training efforts. Probably screws the maths up.
Yeah, you need HR (and ideally power) recorded consistently for the algorithms to make any sense. I've used platforms like Training Peaks in the past and they are pretty useful for tracking training metrics, but now I'm using PILLAR, which is a dynamic virtual coaching App. This is the first winter I've used PILLAR for my training plan and the results are looking good. It's doing a great job of managing my training stress and recovery, with an overall plan tailored toward my key summer events.