![Why does my vivoactive 3 vo2 max keep going down? I am running more then ever. Also my wife, who doesn't work out much, has an excellent vo2 score with her vivoactive Why does my vivoactive 3 vo2 max keep going down? I am running more then ever. Also my wife, who doesn't work out much, has an excellent vo2 score with her vivoactive](https://external-preview.redd.it/Hd-TigpKm36pmZUk6m6eGiiNMbWziBzth3j9TxQz4_Y.jpg?width=640&crop=smart&auto=webp&s=183bed5ccf77b02dc07d7b74a573bc60c2545640)
Why does my vivoactive 3 vo2 max keep going down? I am running more then ever. Also my wife, who doesn't work out much, has an excellent vo2 score with her vivoactive
![Garmin Vivoactive 3 GPS Smartwatch with Built-in Sports Apps - Black/Silver (Renewed) : Amazon.sg: Electronics Garmin Vivoactive 3 GPS Smartwatch with Built-in Sports Apps - Black/Silver (Renewed) : Amazon.sg: Electronics](https://m.media-amazon.com/images/I/51JTGVMxv0L._AC_SY350_.jpg)
Garmin Vivoactive 3 GPS Smartwatch with Built-in Sports Apps - Black/Silver (Renewed) : Amazon.sg: Electronics
![Garmin on Twitter: "What's your current VO2 Max score? 💪 #Forerunner45 https://t.co/qnhseZLkbK" / Twitter Garmin on Twitter: "What's your current VO2 Max score? 💪 #Forerunner45 https://t.co/qnhseZLkbK" / Twitter](https://pbs.twimg.com/media/EKd-b8xW4AAiJgr.jpg)
Garmin on Twitter: "What's your current VO2 Max score? 💪 #Forerunner45 https://t.co/qnhseZLkbK" / Twitter
Garmin Fitness - Did you know: VO2 Max is the key to seeing, understanding and managing your fitness? It's an indication of aerobic endurance and the higher it is, the better shape
![Declining Vo2 max and strange heart rate while training - vivoactive 3 Series - Health & Wellness - Garmin Forums Declining Vo2 max and strange heart rate while training - vivoactive 3 Series - Health & Wellness - Garmin Forums](https://forums.garmin.com/resized-image/__size/960x720/__key/communityserver-discussions-components-files/6/Screenshot_5F00_20190711_2D00_143826.png)