Maximum Heart Rate at Age 50 — Tanaka, Fox & Gellish Formulas

Pre-solved maximum heart rate for age 50. Tanaka (2001): 173 bpm | Fox (220-age): 170 bpm | Gellish (2007): 172 bpm. Training zones (Tanaka): Z1 Warm-up 86-104 bpm, Z2 Fat Burn 104-121 bpm, Z3 Aerobic 121-138 bpm, Z4 Threshold 138-156 bpm, Z5 VO2 Max 156-173 bpm. AHA moderate intensity: 86-121 bpm. ..

ESTIMATED MAX HEART RATE — AGE 50

173

Tanaka (2001)

Most accurate

208 − 0.7 × age

170

Fox (220−age)

Classic formula

220 − age

172

Gellish (2007)

Validated

207 − 0.7 × age

Max HR declines ~0.7 bpm/year · AHA moderate: 86121 bpm · Vigorous: 121147 bpm

5 TRAINING ZONES — AGE 50 (Tanaka HRmax 173 bpm)

Zone%BPM RangeBenefit
Z1 Warm-up50-60%86104Recovery, very easy
Z2 Fat Burn60-70%104121Fat oxidation, aerobic base
Z3 Aerobic70-80%121138Cardiovascular fitness
Z4 Threshold80-90%138156Lactate threshold, race pace
Z5 VO2 Max90-100%156173Max cardiac output
AHA Moderate50–70%86121150 min/week recommended
AHA Vigorous70–85%12114775 min/week recommended

ZONE BARS — HRmax 173 bpm

Z1 Warm-up86104 bpm
Z2 Fat Burn104121 bpm
Z3 Aerobic121138 bpm
Z4 Threshold138156 bpm
Z5 VO2 Max156173 bpm

FORMULA COMPARISON — AGE 50

Tanaka (2001) — recommended173 bpm
Fox (1971) — classic170 bpm
Gellish (2007) — validated172 bpm

HOW MAX HEART RATE IS CALCULATED AT AGE 50

Maximum heart rate declines ~0.7 bpm per year after age 20. At age 50, the three validated formulas give 173 bpm (Tanaka), 170 bpm (Fox), and 172 bpm (Gellish). The Tanaka formula is recommended as the most accurate.

FREQUENTLY ASKED QUESTIONS

What is the maximum heart rate for a 50-year-old?

For a 50-year-old, the estimated maximum heart rate (HRmax) is:\n\nTanaka (2001) — recommended: 173 bpm\nFormula: 208 − (0.7 × 50) = 173 bpm\n\nFox (1971) — classic: 170 bpm\nFormula: 220 − 50 = 170 bpm\n\nGellish (2007) — validated: 172 bpm\nFormula: 207 − (0.7 × 50) = 172 bpm\n\nTraining zones at age 50 (using Tanaka HRmax 173 bpm):\nZ1 Warm-up (50-60%): 86-104 bpm\nZ2 Fat Burn (60-70%): 104-121 bpm\nZ3 Aerobic (70-80%): 121-138 bpm\nZ4 Threshold (80-90%): 138-156 bpm\nZ5 VO2 Max (90-100%): 156-173 bpm\n\nAHA moderate exercise target (50-70%): 86-121 bpm\nAHA vigorous exercise target (70-85%): 121-147 bpm\n\nNote: These are population averages. Your actual HRmax may vary by ±10-12 bpm. The only accurate way to measure HRmax is via a maximal graded exercise test under medical supervision.

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Max heart rate age 50 · Tanaka: 173 bpm · Fox: 170 bpm · Gellish: 172 bpm · Sources: Tanaka et al. (2001), Fox (1971), Gellish et al. (2007)