Yeah, interesting topic, and one i have mixed feelings on.
I very rarely go for a ride that isn’t training. Some training rides work out fun, some blend fun with suffering, and some are just suffering.
I dabble in racing – mostly endurance mtb events, and i know i’d be disappointed if i under-performed because i didnt give everything to my preparation.
Another huge reason i train is so i can get maximum enjoyment out of doing the really big stuff. For example i did Raid Corsica a few weeks back, 6 back to back days of 160km, 2400m climbing. Without the training it would have been a world of suffering – with the training it was awesome, little suffering, soaking up the views and flying up the hills if the mood took me.