I have been doing the polarized plans, or variations of them since June this year. I did a good amount of the z2 Rides on single track with my mountain bike. I recommend trying these rides first. I used power at first but really ended up relying on Heart Rate more for the Z2 rides. If you hit a punchy hill walk or lower your cadence and watch your heart rate. My heart would bump into tempo for a few seconds or a few minutes but I wouldn’t worry to much about it. It was nice not having to worry about loading workouts or finding correct loops to do the interval training. I did a lot of outdoor rides this year doing this and never felt like I was missing a progression like I did with the sweet spot plans.
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