I don’t suggest for longer than 6 weeks. Like I said could be done in the end of GPP (1-2 weeks) and the beginning of SPP period (3-4 weeks) and you are still left with real speed endurance workouts for around 8 weeks wich is enough.
I don’t suggest for longer than 6 weeks. Like I said could be done in the end of GPP (1-2 weeks) and the beginning of SPP period (3-4 weeks) and you are still left with real speed endurance workouts for around 8 weeks wich is enough.