How to Export VO2 Max Data from Apple Watch

What is VO2 Max Data?

VO2 Max estimates your maximum oxygen consumption during exercise, measured in mL/kg/min. Higher values indicate better cardiorespiratory fitness. Apple Watch estimates VO2 Max from outdoor walks, runs, and hikes.

How to Export VO2 Max Data with HealthSave

1. Download HealthSave

Get HealthSave from the App Store — it's free. No account or sign-up needed.

2. Grant Apple Health Access

When you open HealthSave, grant access to the relevant health metrics in Apple Health. Make sure VO2 Max Data is enabled.

3. View on Dashboard

Your latest data appears on the HealthSave dashboard. With Pro, you can track 7/30/90-day trends.

4. Export to CSV, JSON, or PDF

Go to the Export tab, select VO2 Max Data, choose your date range and format:

  • CSV — opens in Excel, Google Sheets, Apple Numbers
  • JSON — structured data for developers and APIs
  • PDF — formatted report to share with your doctor (Pro)

Why Export This Data?

Track fitness improvements over months of training. Compare your VO2 Max to age/gender benchmarks. Share fitness progression with your trainer or doctor.

HealthSave can also export active calories, workout data, heart rate and 30+ other health metrics from Apple Health. See the full feature list or check supported devices.

Export Your Health Data Now

Free CSV and JSON export. No sign-up required.

Download on the App Store

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