OSYB consists of 6 divisions, as follows:

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  SHETLAND DIVISION : (T-ball) 4 to 6 years old.

PINTO DIVISION : 7 to 8 years old.

MUSTANG DIVISION : 8 to 10 years old. 

BRONCO DIVISION: 11 to 12 years old.

PONY DIVISION : 13 to 14 years old.

COLT DIVISION : 15 to 17 years old.