I remember our old THTCAB rides in the high 20s where my toes complained after 90 minutes, let alone what you did.
Put a big tow rope on that seatpost! Your teammates will need it!
Ha. My bike won’t bike itself! Work to do!
"Air Density is greater and impedes your progress through the air."
This explains so much about my training! Stoooopid air! :)
The fellow who organizes the local time trial series explained that to us a couple years ago.....sounds like a plausible reason for April times being slower than August times ;)