The official birthday for all race horses is January first
it all depends on the race.
any at all
Thoroughbred horses in the Northern Hemisphere are considered to have the same birthday because they all celebrate their birthday on January 1st regardless of their actual birth date. This standardizes the age calculation for competition and breeding purposes within the industry.
A total of 48 horses will be counted in all four horse race.
Large races like the Kentucky Derby allows 20 horses. The average number for smaller races is 8 to 10 horses.
The 1st of August
To compete in a race with Thoroughbred race horses the min age is 16. see: http://www.vrqha.com.au/pdf/Race%20Day%20Regulations.pdf for all the rules and regulations 2008-09
the people in the top box have a sheet with all the names and numbers of the horses
Race horses only have a couple of speeds, fast and faster. During a race the horse uses the fastest gallop he has. Lope, canter or gallop, they are all a three-beat gait.
They can be good race horses against other Morgans, but not against Thoroughbreds or Quarter horses.
Twenty horses can race at a time