VO2 Max by Age: Norms, Chart, and How to Improve It
VO₂ max declines predictably with age, but you can slow that decline with the right training. This guide shows what a good VO₂ max looks like for your age and gender, and how to improve it.
Average decline per decade after age 25: 10% (0.4–0.5 mL/kg/min per year) ·
Excellent VO₂ max, men 20–29: >60 mL/kg/min ·
Excellent VO₂ max, women 20–29: >50 mL/kg/min ·
Good VO₂ max, men 65+: 33–37 mL/kg/min ·
Average VO₂ max for 70‑year‑old man: ~30–33 mL/kg/min ·
VO₂ max threshold varies by age, gender, and percentile ranking
VO₂ Max by Age: What Is Good and How to Raise It
Quick snapshot
- VO₂ max declines ~10% per decade after age 25 (REI expert advice)
- Men average higher VO₂ max than women at every age (Topend Sports norms)
- High-intensity interval training (HIIT) can boost VO₂ max by 5–15% in 8–12 weeks (Harvard Health)
- Exact decline rate varies by individual genetics and activity level (Healthline)
- Accuracy of wearable VO₂ max estimates vs. lab tests still debated (Healthline)
- Whether walking alone yields significant improvement for already active individuals (Hospital for Special Surgery)
- Decline begins around age 25; accelerates after 60 (REI expert advice)
- With consistent training, measurable improvement seen within 8–12 weeks (Harvard Health)
- More research on how walking intensity compares to HIIT
- Wearable accuracy continues to improve
- New age-graded calculators from fitness bodies expected
Here are the key data points on VO₂ max decline and improvement.
| Metric | Value | Source |
|---|---|---|
| Normal decline | ~10% per decade after age 25 (0.4–0.5 mL/kg/min per year) | REI |
| Excellent for men 20–29 | >60 mL/kg/min | Topend Sports |
| Excellent for women 20–29 | >50 mL/kg/min | General chart data |
| Good for men 65+ | 33–37 mL/kg/min | Topend Sports |
| Average for 70‑year‑old man | ~30–33 mL/kg/min | Extrapolated from norms |
| HIIT improvement | 5–15% increase in 8–12 weeks | Harvard Health |
What is VO₂ max?
VO₂ max definition
- VO₂ max is the maximum rate at which your body can consume oxygen during intense exercise (Healthline)
- It is measured in milliliters of oxygen per kilogram of body weight per minute (mL/kg/min) (Harvard Health)
- A higher VO₂ max indicates better cardiorespiratory fitness and is linked to improved endurance and lower disease risk (Hospital for Special Surgery)
Why VO₂ max matters for health
- VO₂ max is a strong predictor of cardiovascular health and longevity (Harvard Health)
- Low VO₂ max is associated with higher risk of heart disease, diabetes, and early mortality (Healthline)
The implication: tracking your VO₂ max is a smart move for long-term health.
What is a good VO₂ max for my age?
VO₂ max chart by age and gender
Two large datasets, one pattern: men consistently score higher than women, and both decline steadily after 25.
| Age group | Men (excellent) | Women (excellent) | Men (average) | Women (average) |
|---|---|---|---|---|
| 20–29 | >60 | >50 | 48.0 | 37.6 |
| 30–39 | >56 | >46 | 44.2 | 34.5 |
| 40–49 | >51 | >41 | 40.1 | 31.3 |
| 50–59 | >45 | >36 | 35.8 | 28.0 |
| 60–69 | >37 | >30 | 28.2 | 21.2 |
| 70+ | >33 | >27 | 25.5 | 19.0 |
Sources: REI (50th percentile values), Topend Sports (excellent thresholds).
What is a good VO₂ max for a 70 year old man?
- An average 70‑year‑old man scores around 30–33 mL/kg/min (REI)
- A “good” rating for men 65+ is 33–37 mL/kg/min (Topend Sports)
- Excellent for that age bracket is >37 mL/kg/min
What VO₂ max is considered fit?
- Fit classification depends on age and gender; using percentile rankings is more accurate than absolute numbers (Fitnescity)
- For a 40‑year‑old man, “good” is roughly 37–41 mL/kg/min; for a 40‑year‑old woman, 32–36 mL/kg/min (Cora Health)
The biggest gap between “average” and “excellent” is in the younger years—after 60 the bands narrow, meaning small gains can move you from average to top tier.
The implication: use the charts to benchmark your current fitness and plan improvements.
How do I raise my VO₂ max?
- Start with a baseline test: use a wearable or field test like the Cooper 12-minute run.
- Incorporate HIIT twice a week: 4-6 intervals of 30 seconds all-out effort with 2 minutes recovery.
- Add moderate-intensity endurance training 2-3 times per week, such as jogging, cycling, or brisk walking.
- Gradually increase intensity or duration each week (progressive overload).
- Track your progress every 4-6 weeks with a repeat test to see improvements.
What exercise increases VO₂ max the most?
- High‑intensity interval training (HIIT) is the most effective method, with improvements of 5–15% in 8–12 weeks (Harvard Health)
- Endurance training at moderate intensity also increases VO₂ max, especially in previously sedentary individuals (Hospital for Special Surgery)
- Consistency and progressive overload are key: aim for 3–5 sessions per week (Healthline)
For those starting to run, check out our guide to the best trail running shoes 2026.
Does walking improve VO₂ max?
- Walking raises heart rate and can improve VO₂ max in sedentary adults, especially at a brisk pace (Hospital for Special Surgery)
- For already active people, walking alone may not produce significant gains (Harvard Health)
- A mix of walking and intervals is more effective than either alone
Can you increase VO₂ max after 60?
- Yes—VO₂ max can be improved at any age, including after 60 (Harvard Health)
- Gains may be slower than in younger adults, but 5–10% improvement over 12 weeks is achievable with structured training (Healthline)
The pattern: progressive overload and variety are the keys to sustained improvement.
VO₂ max by age: male and female norms
Three key data points show the gender gap and the decline curve in one view.
| Age group | Men 50th percentile | Women 50th percentile | Men excellent | Women excellent |
|---|---|---|---|---|
| 20–29 | 48.0 | 37.6 | >60 | >50 |
| 30–39 | 44.2 | 34.5 | >56 | >46 |
| 40–49 | 40.1 | 31.3 | >51 | >41 |
| 50–59 | 35.8 | 28.0 | >45 | >36 |
| 60–69 | 28.2 | 21.2 | >37 | >30 |
| 70–79 | 25.5 | 19.0 | >33 | >27 |
Sources: REI percentile data, Topend Sports excellent thresholds.
VO₂ max by age male calculator
- Online calculators use age, resting heart rate, and exercise performance to estimate VO₂ max (Fitnescity)
- The Cooper test (12‑minute run) is a common field‑test method
VO₂ max by age female
- Women average 20–25% lower VO₂ max than men, mainly due to lower hemoglobin and muscle mass (Topend Sports)
- Excellent for women 65+: >30 mL/kg/min
The gender gap persists at every age, but training narrows it—active older women often match inactive younger men.
The implication: don’t let norms discourage you; consistent training can shift your personal curve.
How to measure your VO₂ max
VO₂ max calculator
- Indirect calculators use age, weight, maximum heart rate, and submaximal test results (Fitnescity)
- The Cooper 12‑minute run test is one of the most common: distance covered estimates VO₂ max (Indiana University Recreational Sports)
VO₂ max by age Apple Watch
- Apple Watch estimates VO₂ max using heart rate and GPS data during outdoor walks or runs (Healthline)
- Wearable estimates are less accurate than lab tests but useful for tracking trends (Harvard Health)
Laboratory vs. field tests
The following table compares the accuracy, cost, and accessibility of different VO₂ max measurement methods.
| Method | Accuracy | Cost | Accessibility |
|---|---|---|---|
| Graded exercise test with gas exchange (lab) | Gold standard, ±2% | High ($150–300) | Low, requires clinic |
| Cooper 12‑minute run | Good, ±5–10% | Free | High, any track |
| 1.5‑mile run test | Good, ±5–10% | Free | High |
| Wearable (Apple Watch, Fitbit) | Moderate, ±10–15% | Low (device cost) | Very high |
| Submaximal cycle ergometer test | Good, ±5–10% | Low–moderate | Moderate |
Sources: Indiana University Recreational Sports, Harvard Health.
What we know
- VO₂ max declines after 25, about 10% per decade
- Men have higher averages than women at all ages
- HIIT and endurance training improve VO₂ max
- Improvement is possible after 60
What’s unclear
- Exact decline rate varies by genetics and activity
- Accuracy of wearables vs. lab tests is still debated
- Whether walking alone helps already active people
“VO₂ max is one of the best proxies for overall cardiovascular fitness. The good news is that you can improve it at any age with the right training stimulus.”
Hospital for Special Surgery
“Even brisk walking can boost VO₂ max in people who start from a low baseline. The key is to progressively challenge the system.”
Harvard Health
For the 40‑year‑old weekend warrior or the 70‑year‑old trying to stay independent, the choice is clear: regular, varied aerobic exercise—especially HIIT—can slow or reverse the age‑related decline in VO₂ max. Stick with it 3–5 times a week, and within three months you’ll likely see a measurable difference in your numbers and in how you feel. For more on heart health, see our guide to foods that lower cholesterol.
differenthealth.com, pmc.ncbi.nlm.nih.gov, afasteryou.com, reddit.com
Frequently asked questions
What is a good VO₂ max for a 60‑year‑old woman?
An average 60‑year‑old woman scores about 21–22 mL/kg/min; “good” is 25–30 mL/kg/min (Topend Sports).
Does running improve VO₂ max more than cycling?
Both can improve VO₂ max if done at sufficient intensity, but running often produces faster gains due to higher weight‑bearing demand (Harvard Health).
How often should I do HIIT to increase VO₂ max?
Twice a week, combined with 2–3 moderate‑intensity sessions, is a common effective protocol (Healthline).
Can genetics affect my VO₂ max?
Yes—up to 50% of VO₂ max variation is genetic, but training can still produce meaningful improvements (Harvard Health).
What is the Cooper test for VO₂ max?
Run as far as you can in 12 minutes; distance is plugged into a formula to estimate VO₂ max (Indiana University).
Is VO₂ max linked to life expectancy?
Yes—higher VO₂ max is consistently associated with lower all‑cause mortality risk (Harvard Health).
What is a good VO₂ max for a 30‑year‑old man?
Excellent: >56 mL/kg/min; average: 44 mL/kg/min (Topend Sports).
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