They all already have power meters! It seems like you should know that 2 riders of similar weight and profile are doing vastly different amounts of work, and ex

They all already have power meters! It seems like you should know that 2 riders of similar weight and profile are doing vastly different amounts of work, and extrapolate from there. Of course, you won't be doing 5-10% the output because there's still mechanical losses and rolling losses, but they should have decent models of those as well.