Hi, I have been following a training regime to correct ADS for about the last year. In Novemeber when I carried out a drift test I had an odd result – the drift for the first 15-20 minutes of the workout was very high – 4ish% but for the rest of the workout there was almost no drift. As overall drift was 5%ish I called it a day and decided that heart rate was my AeT.
I recently carried out another test and although I had to call it short for a rest break i noticed the same thing – the first 2K went about at the same pace, then pace dropped and stayed steady till i finished the test.
This seems a bit odd, looking at a few of Stephen Seilers videos on cardiac drift it always starts later on in the workout, rather than happening immediately then plateuing
My question is, is this a matter of improper warmup? I have done my warmups by just running to the track at easy heart rate – 145ish, setting up track mode on my Coros and then starting the test right away. Would I be better running to the track, setting up track mode, then gradually building to target heart rate over 10-15 minutes before begining the test?
I have attached the two trainingpeaks files.
Good Wishes and Thanks!
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