This is my 2nd app and it is for cyclists. I haven't been able to test this app in reality as I don't have power meter so give me a note if it doesn't work. If you are interested in PaHR (pace/heart rate ratio) version of this app check out my Cardio Drift app or new Cardio Drift Graph app (https://apps.garmin.com/en-US/apps/0761ba9f-b507-4bc4-a18b-99bf0ad2c835).</p><p>This data field app calculates cardiovascular drift as percentage change between power and heart rate ratio (PwHR-%) in the first and second half of the workout at the current time. Data field value is updated once a minute and calculations are done only when the timer is on. So this is an almost real time PwHR calculator of your cardiovascular fitness and dehydration level. Aerobic cardio workout target value is said to be 5% or below but can vary greatly due to various environmental and individual factors. Just google with words "cardiac drift", "aerobic decoupling" and "cardiovascular drift" to find out more.</p>
Version 1.0.6: Device compatibility list updated. V. 1.0.5: Some potential bugs fixed.</p><p>You may consider a donation for my efforts supporting you:</p><p>https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=L3JZJQZJ3HAYL¤cy_code=USD&source=url</p><p>WARNING!</p><p>This data field app writes a new data field to your fit files when you use it. So please make sure your external software supports custom data fields (FIT 2.0 standard) when you import your fit files to it. So if you import Garmin fit files to external software please test that import works. This far I have found that only Firstbeat external software doesn't support custom data fields of FIT 2.0 standard. I have informed them about this issue.
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