While this isn’t the case right now, in the past, the automatic FTP model in Golden Cheetah has estimated that my CP is ~5-10% lower than TR tested FTP, but estimates a W’ of 30-35 kJ.
What metric is useful here? I have total time, but data besides that is a little spotty.
2015 and earlier: zero
2016: 165 hours, mostly aerobic; ~3 W/kg at end of year
2017: 220 hours, mostly aerobic; ~3.4 W/kg
2018: 310 hours, mixed; ~3.5 W/kg
2019: 320 hours, mixed; not much more time than 2018, but faster; ~3.6 W/kg
Can’t find a good source of time-in-zone summaries, but I don’t have outdoor power data going back more than a year and some, anyway. The following 2019 summary from intervals.icu is probably roughly representative of 2018; prior to that was aerobic plus trying to survive climbs and group rides.
