Originally Posted by
esammuli
Base 1: Lots of Z2 with a little Z4
Base 2: More Z2 with a little more Z4
Base 3: Even more Z2 with a little more Z4
If I was training for Cat 1/2 road races and or stage races I would do the same, except instead of the super massive amounts of volume you're probably doing I would do less volume (replace Z2 w/ low to mid Z3) and more Z4.