The GBL Committee has advised there are to be changes to junior Age Groups for the 2025/2026 summer baseball season.
Here is a table with the new Age Groups below

Please be aware these competition changes are relevant for 12-16 year-olds at any participating Greater Brisbane League clubs. The competition format may vary for the other 25/26 Summer competitions, Gold Coast Baseball Association and Sunshine Coast Baseball.
GBL – New Look Senior League Competitions
GBL have updated the Senior League competition formats that aligns with Baseball Australia guidelines. These changes aim to better support League Age players by offering flexibility in field measurements and age brackets, while allowing clubs to better match players based on experience and development needs.
Clubs will have the ability to:
New Age Brackets and Divisions:
These changes are designed to support player development, improve game experiences, and ensure safe, fair, and competitive opportunities for all players. For further details or questions, please contact the GBL Competitions Committee at gbladmin@baseballqld.asn.au