Zone 3/Tempo sessions can help to raise speed so that Z2 is faster for the same intensity.
Obviously lower intensity workouts can go for longer and the high z5 stuff for fairly short intervals across short sessions.
Zone 3/Tempo sessions can help to raise speed so that Z2 is faster for the same intensity.
Obviously lower intensity workouts can go for longer and the high z5 stuff for fairly short intervals across short sessions.