Pre-solved maximum heart rate for age 23. Tanaka (2001): 192 bpm | Fox (220-age): 197 bpm | Gellish (2007): 191 bpm. Training zones (Tanaka): Z1 Warm-up 96-115 bpm, Z2 Fat Burn 115-134 bpm, Z3 Aerobic 134-154 bpm, Z4 Threshold 154-173 bpm, Z5 VO2 Max 173-192 bpm. AHA moderate intensity: 96-134 bpm. ..
ESTIMATED MAX HEART RATE — AGE 23
192
Tanaka (2001)
Most accurate
208 − 0.7 × age
197
Fox (220−age)
Classic formula
220 − age
191
Gellish (2007)
Validated
207 − 0.7 × age
Max HR declines ~0.7 bpm/year · AHA moderate: 96–134 bpm · Vigorous: 134–163 bpm
5 TRAINING ZONES — AGE 23 (Tanaka HRmax 192 bpm)
| Zone | % | BPM Range | Benefit |
|---|---|---|---|
| Z1 Warm-up | 50-60% | 96–115 | Recovery, very easy |
| Z2 Fat Burn | 60-70% | 115–134 | Fat oxidation, aerobic base |
| Z3 Aerobic | 70-80% | 134–154 | Cardiovascular fitness |
| Z4 Threshold | 80-90% | 154–173 | Lactate threshold, race pace |
| Z5 VO2 Max | 90-100% | 173–192 | Max cardiac output |
| AHA Moderate | 50–70% | 96–134 | 150 min/week recommended |
| AHA Vigorous | 70–85% | 134–163 | 75 min/week recommended |
ZONE BARS — HRmax 192 bpm
FORMULA COMPARISON — AGE 23
Maximum heart rate declines ~0.7 bpm per year after age 20. At age 23, the three validated formulas give 192 bpm (Tanaka), 197 bpm (Fox), and 191 bpm (Gellish). The Tanaka formula is recommended as the most accurate.
What is the maximum heart rate for a 23-year-old?
For a 23-year-old, the estimated maximum heart rate (HRmax) is:\n\nTanaka (2001) — recommended: 192 bpm\nFormula: 208 − (0.7 × 23) = 192 bpm\n\nFox (1971) — classic: 197 bpm\nFormula: 220 − 23 = 197 bpm\n\nGellish (2007) — validated: 191 bpm\nFormula: 207 − (0.7 × 23) = 191 bpm\n\nTraining zones at age 23 (using Tanaka HRmax 192 bpm):\nZ1 Warm-up (50-60%): 96-115 bpm\nZ2 Fat Burn (60-70%): 115-134 bpm\nZ3 Aerobic (70-80%): 134-154 bpm\nZ4 Threshold (80-90%): 154-173 bpm\nZ5 VO2 Max (90-100%): 173-192 bpm\n\nAHA moderate exercise target (50-70%): 96-134 bpm\nAHA vigorous exercise target (70-85%): 134-163 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 23 · Tanaka: 192 bpm · Fox: 197 bpm · Gellish: 191 bpm · Sources: Tanaka et al. (2001), Fox (1971), Gellish et al. (2007)