Filly - 6 months to 2 years old
Colt - 6 months to 2 years old
Stallion - 3 to 8 years old
Stallion - 9 to 13 years old
Stallion - 14 years old up
Gelding - 1 to 3 years old
Gelding - 4 to 8 years old
Gelding - 9 to 13 years old
Gelding - 14 years old up