Yes, I am glad to be looking ahead a few years in order to enjoy the mountains as injury free as possible and possibly get some good results in races.
The move up in hours so far hasn’t been difficult. I got some of my best results after adding intensity and increasing to two hard workouts during the week. I was not yet versed in the ten percent spread between AeT and AnT but I must have been pretty close because my performance jumped considerably. I am now carefully building and trying to calculate my AeT and AnT during rest weeks.
I will take the 500 hours of running training into account and perhaps invest in a road bike soon. Thanks for your advice, I really appreciate it.