Don't get bamboozled on a day at the races - use our A-Z jargon buster to help you understand the lingo.
Presenting the letter J . . .
The Tote Jackpot comprises the second to sixth races inclusive. All five winners have to be nominated. Tickets are 50p each.
When one jockey is replaced by another on board a horse he usually rides or for which he has already been booked to ride in a particular race.
If two horses have the shortest odds in the betting, they are described as joint-favourites; if three or more horses have the shortest odds, they are co-favourites.
A colloquial term for the favourite in a race.
Racecourse official responsible for declaring the finishing order of a race and the distances between the runners.
A two-year-old horse. Every horse officially turns two on January 1, at the start of the second full calendar year following its birth e.g. a horse born in 2008 will turn two on January 1, 2010.
The youngest category of hurdler - juvenile hurdlers are those that turn four years of age (on January 1) during the season in which they start hurdling.