For some weird reason , I have found Fast tracks produced less profit for me according to my computerised stats using my own selections.
The SR is the same, its just the average price drops away.

I found most of my systems worked just as well on Wet tracks & produced greater profit.
I found horses that have never run on a wet track before , perform just as well as horses who have had successful wet track experience.
I feel Horses with wet track exposure & failed ,have to treated with suspiscion.

I agree with Privateer, a lot does come down to ones comfort level & past experiences.
I find the more highly tuned horses produce a number of form reversals on wet tracks & one will often hear a commentator say , "it appears the horse did not appreciate the going".

I guess one has to go over ones personal past stats, involving wet tracks & maybe make a discission from there.

Cheers.

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Cheers.