The defending champions are the Blues, who won their fourth title in 2024.

The competition format remained the same from the previous season (2024), with an extra regular season round and the finals series being the major changes,[4] alongside the fixture list and afternoon fixture times.

[5] Eleven teams play in a round-robin format, with seven matches at home and seven away, and two byes.

The winners of each semi-final will advance to the Grand Final, the highest-seeded team being the hosts.

Players listed in italics denote non-original squad members: The following referees were selected to officiate the 2025 Super Rugby Pacific season:[18]