What breed of horse was Seabiscuit?

Answer 1

Seabiscuit's sire was named Hard Tack. Hard tack was a type of biscuit that was part of the diet of explorers and navel men prior to the 20th century, while on long voyages at sea. They were hard as a rock but the didn't need refrigeration and were slow to spoil. Basically, they were 'sea biscuits'.

So from the sire Hard Tack to the son Seabiscuit, this is a common practice and helps identify bloodlines in the horse world. Another example of this would be Man O War. He was the sire of War Admiral.

Answer 2

He was an American Thoroughbred.

Answer 3

Thoroughbred

Answer 4

Seabiscuit was a Thoroughbred

Answer 5

Stallion