If trained correctly, yes, they can become very successful in trotting races.
There are different kinds of racing. The most common is Thoroughbred racing, which of course is what Thoroughbreds are bred for. There are trotters and the breed of horse is the Standardbred. Steeplechasing needs no specific breed but is usually Thoroughbred or Thoroughbred cross. Then different breeds have their own racing, AQHA, APHA,ApHA, Arabian.
Thoroughbred horses were bred to be race horses. They are fast indeed, but it doesnt mean they are the fastest.
It really depends on the horse, his/her mood, and his/her training.
There are appaloosa horses and American saddlebred horses, thoroughbred horses and American quarter horses, there also are more types
Thoroughbreds are from England.
welsh Shetland thoroughbred
They are both about Thoroughbred race horses, other than that they are unrelated.
This depends on what you mean by Thoroughbred Paint. Thoroughbreds and Paints are two separate breeds. You can however have Thoroughbreds with pinto markings, but they are not Paints. You can also have Paint horses registered as appendix if they have one Thoroughbred parent.
No, others include quarter horses and standardbreds.
Trotting races. Standardbreds can either be trotters or pacers.
Yes, AI is widely used in breeding thoroughbred horses.
They are born on January 1st.