Is There a Threshold Season in Aerobic Capacity Training?

The best way to think about aerobic capacity is we often talk about this word easy. There's recovery and there's easy. Recovery is running that is below that quote unquote aerobic threshold, where we start to cross what is deemed from the rule of averages, the two millimole lactate production. Neil Vanderpool talks about his transition to threshold training or threshold season as he calls it.