#Peter_Attia Zone 2 training

Ways to figure out Zone 2: - 80% of max HR - 180 - your age (underestimated) - Corresponds to lower zone 3 for power zones, where FTP is uppper Z4

• Target is to have at least 3w/kg in Z2

• Z2 range of lactate is 1.8 - 2.1

• For me Z2 is around 155 bpm / 170w.