What is the list of British horse racing odds?

Answer 1

There is no "official' list of odds anywhere. At each track the handicapper(s) take their best guess and these are the odds printed in the program. But the betters set the real odds with their bets. The more money bet on a horse, the shorter the odds.

Basically, at the track, all the money bet goes into a pool. The taxman and the track take their cut and what is left is the money that can be won. There is a sum of money (a pool) for first, a pool for second and a pool for third. A bet for second pays if the horse comes first or second. A bet for third pays if the horse finishes first or second or third.

Bets with off track bookies are different. You are quoted odds at the time you place your bet and regardless of what else happens, if you win, you get paid at those odds.