Time Series Data Export The Time Series export provides a detailed timeline of your tracked activity. Files Included: ---------- demographic_vo2max.csv - Contains all data for this type. Demographic VO2Max contains information about a user's VO2 max score for a specific day, representing the maximum rate of oxygen the body is able to use during exercises. Each entry has the following values: timestamp - Date and time at which the entry was logged. demographic vo2max - VO2 Max value in ml/kg/min data source - The origin or source of this data.