Tanaka
Haskell (220-age)
Gulati (women)
Nes
Max HR:
187 bpm
Z1 Recovery
94-112 bpm
Z2 Fat Burn
112-131 bpm
Z3 Endurance
131-150 bpm
Z4 Threshold
150-168 bpm
Z5 VO2 Max
168-187 bpm
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