Im also on a mission to hit as many UK courses as possible.
Ive done around 50 English football grounds following Northampton, but given up on doing the ”92” as its an ever moving target.
UK Courses
Ascot (Royal)
Ayr
Musselburgh
Newcastle AW
Doncaster
Cheltenham
Nottingham
Southwell AW
Wolverhampton AW
Chepstow
Stratford
Warwick
Epsom (Derby Day)
Goodwood (Glorious)
Chester
York
Sandown
Kempton
Market Rasen
Like to do, Cartmel, Newmarket and Hexham
Cheltenham is me favourite, like Nathan says, after a years one knows how to cope with it.
Overseas
Asinboa Downs (Winnipeg Canada)
Working and a night out.
Busan (South Korea)
Daz Holland was out there at the time while working. Would like to do JeJu Island next time.
Longchamp (France Arc Day) Sea The Stars ARC, less than 10 Euros before the changes.
Happy Valley
Sha Tin
I was lucky to be in China and use HK as a visa run. Ony 10HKD entry on the turnstile 
Pardibucia is the one I wish to do in Europe, maybe if brave/mad enough, Breeders Cup and Melbourne Cup on same trip. Fly to USA, Then Aus and Home in nine days.