There are numerous training apps, but non currently work with zwift. Sure, you can use workout mode but it isn't a plan as such. Many people want to train smart but simple. Why not match athletes w/kg + zones with specific courses? That way every free ride can be training ride!
Courses & Routes
We Work With Top Coaches
We work in association with top coaches in the world of power-based training. These guys really understand how these areas matter:
CTL ramp rate
We have a small team but will always be pleased to help