I think kryzsztof's numbers are quite correct in a static setting. Surely Pog will have the so called lower threshold around those levels. Wva once reported his lower threshold around 350w, though he is heavier and carefully emphasized that they only did 20min chunks every hour because of the metabolic demands. So the plausibility of training constantly in that range is dictated by multiple factors.
For one, glycogen expenditure and replenishment is also a constraint. It is rate limited, which means that simply eating more carbs will not do all of the tricks. Riders and their entourage always need to think about how to best spend the glycogen budget.
Now, 320w for an hour costs about 1150kJ. Some of it will be muscle glycogen. It simply needs to be replenished, especially if one is planning to do some intensity the following days. Some of the expenditure can be covered by on the bike nutrition, but not all.
Multiply the expenditure by 4-5hrs a day, and all I can say is bon appetit, because you need to train tomorrow too. 5-6000kJ is no joke to recover from especially on a daily basis. It's basically GT mountain stages or monument level of expenditure, only distributed more evenly because of the constant power design.
For one, glycogen expenditure and replenishment is also a constraint. It is rate limited, which means that simply eating more carbs will not do all of the tricks. Riders and their entourage always need to think about how to best spend the glycogen budget.
Now, 320w for an hour costs about 1150kJ. Some of it will be muscle glycogen. It simply needs to be replenished, especially if one is planning to do some intensity the following days. Some of the expenditure can be covered by on the bike nutrition, but not all.
Multiply the expenditure by 4-5hrs a day, and all I can say is bon appetit, because you need to train tomorrow too. 5-6000kJ is no joke to recover from especially on a daily basis. It's basically GT mountain stages or monument level of expenditure, only distributed more evenly because of the constant power design.
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