I had finished my training course on TR by 24.Feb. However the following days / cell turn to dark color (black) instead of white like normal cells until 25.Mar. however there is nothing on these “dark” cells.
I am wondering what’s these? How can I turn them back to normal (white). 
I reckon is this a one-month of AI Training Simulation？
Thank you in advance.
Those reflect the 4w range in which the AI will
That’s especially relevant if you are running a training plan, but might also work if you just add AI workouts manually to your calendar.
Hey @shruru 
That is the new AI Training Simulation window. More info here: How to use AI Training Simulation
I too do not understand why these days are all black with no workouts scheduled. I just edited my plan to add weeks to a triathlon training plan and all the system did was add runs. No bike, no swim. If this is AI Training Simulation, it seems to be simulating sitting on the couch watching YouTube videos!
What am I missing here?
They’re black because those days are within the simulation window, whether or not you have scheduled workouts. Lack of scheduled workouts also impacts your training and the simulation window simulates that as well.
I think my question is not about why those days are black, but why does my Olympic Triathlon plan only have runs scheduled and no swimming or biking?
Oh, wow, I totally missed all that somehow, that’s what I get for commenting right after waking up. That definitely seems like a bug, I’d probably delete the plan and recreate it (backdating to the original start date and with the new end date), or reach out to support if that doesn’t fix it.
