- Mixed Tournament
- Women’s Tournament
- Men’s Tournament
- Provincial Playdowns
- Open Format
All South Island Tournaments (BSI) will be classed as Open to junior bowlers, except the Adshead 80+ Mixed Triples. All tournaments are Closed unless noted as Open. Closed Tournament means that all members of a team must be from the same BSI Club.
Note: Closed tournaments are not open to participants from outside the BSI region.
2021 Tournaments are suspended until further notice due to covid-19.