Originally Posted by
WhyFi
While poking around, I did find one interesting stat unlock - work done above FTP. Looking at my ride yesterday, I did ~3200kJ worth of work, total. Of that, the amount of work done above FTP was ~1400kJ, so damn near half - sounds about right for me
This could help in determining W'. I would just put 5000 in there and see how efforts over threshold look. Then adjust from there.