Background: 64 yr old male. Play tennis 3+ days per week. Ride 3 to 4 days per week using TR. ALL my riding is outside on an XC mtn bike on flat, lightly traveled paved roads (little required stopping). Have Power Meter on XC bike.
I started with TR in Oct 2020 - I had been riding some prior to this but nothing structured. RAMP tested at 180. For the next 1.5 months, I could do all the training rides just fine (usually above the wattage target range for all intervals). In late Nov, did my 2nd RAMP test. FTP number jumped up to 221.
Since recording my new FTP, I am basically unable to maintain the wattage power level on ANY of the subsequent rides for the full duration of the ride. The 1 hr rides, I can sometimes be pretty close, but on the 1.5 hr rides, I seem to run out of gas in the last 15 - 20 minutes of the ride. So today for example was the Mary Austin ride calling for a TSS of 118. I did a TSS of 92. I was basically unable to hit most of the numbers after about 60 minutes and the last 15 minutes was probably near 85% of the lower limit number.
Now, there is NO QUESTION that I am improving. I am pretty sure that in my next RAMP test I will jump another 10 watts (maybe more). The RAMP test seem kind of easy in that the pain only lasts 2.5 to 3 minutes. At least it was that way in the 2nd test when my base FTP was 180.
I definitely feel I am underperforming in my daily workouts even though I am killing myself. I am happy to know I am improving, but I do feel at times I am banging my head against the wall - it is bit discouraging to be honest. Why am I experiencing this? Is it common - this seems unlikely? Age related? Are some folks just “good RAMP testers” because they can put down 3 minutes of hard riding … just not 60 minutes?
Look forward to some feedback.