Pre-solved maximum heart rate for age 55. Tanaka (2001): 170 bpm | Fox (220-age): 165 bpm | Gellish (2007): 168 bpm. Training zones (Tanaka): Z1 Warm-up 85-102 bpm, Z2 Fat Burn 102-119 bpm, Z3 Aerobic 119-136 bpm, Z4 Threshold 136-153 bpm, Z5 VO2 Max 153-170 bpm. AHA moderate intensity: 85-119 bpm. ..
ESTIMATED MAX HEART RATE — AGE 55
170
Tanaka (2001)
Most accurate
208 − 0.7 × age
165
Fox (220−age)
Classic formula
220 − age
168
Gellish (2007)
Validated
207 − 0.7 × age
Max HR declines ~0.7 bpm/year · AHA moderate: 85–119 bpm · Vigorous: 119–144 bpm
5 TRAINING ZONES — AGE 55 (Tanaka HRmax 170 bpm)
| Zone | % | BPM Range | Benefit |
|---|---|---|---|
| Z1 Warm-up | 50-60% | 85–102 | Recovery, very easy |
| Z2 Fat Burn | 60-70% | 102–119 | Fat oxidation, aerobic base |
| Z3 Aerobic | 70-80% | 119–136 | Cardiovascular fitness |
| Z4 Threshold | 80-90% | 136–153 | Lactate threshold, race pace |
| Z5 VO2 Max | 90-100% | 153–170 | Max cardiac output |
| AHA Moderate | 50–70% | 85–119 | 150 min/week recommended |
| AHA Vigorous | 70–85% | 119–144 | 75 min/week recommended |
ZONE BARS — HRmax 170 bpm
FORMULA COMPARISON — AGE 55
Maximum heart rate declines ~0.7 bpm per year after age 20. At age 55, the three validated formulas give 170 bpm (Tanaka), 165 bpm (Fox), and 168 bpm (Gellish). The Tanaka formula is recommended as the most accurate.
What is the maximum heart rate for a 55-year-old?
For a 55-year-old, the estimated maximum heart rate (HRmax) is:\n\nTanaka (2001) — recommended: 170 bpm\nFormula: 208 − (0.7 × 55) = 170 bpm\n\nFox (1971) — classic: 165 bpm\nFormula: 220 − 55 = 165 bpm\n\nGellish (2007) — validated: 168 bpm\nFormula: 207 − (0.7 × 55) = 168 bpm\n\nTraining zones at age 55 (using Tanaka HRmax 170 bpm):\nZ1 Warm-up (50-60%): 85-102 bpm\nZ2 Fat Burn (60-70%): 102-119 bpm\nZ3 Aerobic (70-80%): 119-136 bpm\nZ4 Threshold (80-90%): 136-153 bpm\nZ5 VO2 Max (90-100%): 153-170 bpm\n\nAHA moderate exercise target (50-70%): 85-119 bpm\nAHA vigorous exercise target (70-85%): 119-144 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 55 · Tanaka: 170 bpm · Fox: 165 bpm · Gellish: 168 bpm · Sources: Tanaka et al. (2001), Fox (1971), Gellish et al. (2007)