Pick one measuring system. And one interpretation/analysis system. Use that. Possibly the one with the best (most scientific and peer reviewed) methodology.
Thats why I posted a training peaks curve.
Strava is just social media for competitive types, to me. 2 mins ago is the first time I've looked at its Power curve.
LOLz
@Chalfie started
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Pick one measuring system. And one interpretation/analysis system.
Use that.
Possibly the one with the best (most scientific and peer reviewed) methodology.