Hi , on the forum I think there is a current / retired police responce police driver, He may be prepared to advise you.
The police use to use a programme called road craft ( I think )
For a few years I drove cars testing tyres and I was given an advanced driving course that was based on defensive driving.
It was all based on obersevation !
The gentleman that taught me was an ex traffic policeman who , assessmented my basic driving and we progressed or not as the case maybe.
To start with I had to give a running comentry out loud for 15 minutes of when driving what I saw , dog , man about to open
car door , woman pushing pram , car about to pull out , he would then ask me what the speed limit , what the safe speed to drive in that limit , what's behind me and the questions went on and on.
I was knackered the first time I did it , missed so many targets , but I did improve over time but it was for a couple of hours.
Could I suggest that you try what I went through to start with , ask a mate to sit in the car with you , I don't think race track driving would provide and benefit for road use.
I have given up talking to my self decades ago but I put an exclusion zone around my car everyday when out and about.
Ovberation is the name of the game.
No doubt all the information I out of date but it has served me well over the years.