Could you be starting too fast? It does take a while for the aerobic system to get fired up, so any warm-up should be slow and gradual.
Warming Up for Z1/Z2
Just curious about something I have noticed a lot more recently; in starting most of my Z1/Z2 workouts the first 30 minutes feels like it’s a Z3 effort and I get seriously discouraged since it feels way harder than it should be as if I can’t get a full deep breath in and the pace feels way too fast. I start wondering if I need time off, an easier workout, or it is something I ate, slept, hydration, etc. is off.
However, after that 30-40 minute mark something clicks and Z2 feels like Z1 and Z1 feels like recovery (I do have ADS, AnT = 178, AeT = 145, I do everything Z2 besides the longer 3-4 hour days or if I feel especially awful/lethargic) and even at higher Z2 feels pretty easy. I monitor with a chest strap and always have stable results, but I could have sworn I read an article on here about when first starting that cardio your body is not warmed up yet and explained the science behind it. I would love to know more about it, and I would love to hear that I am not alone or if there are any suggestions.
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