Forty five Teams entered the 2021 competition and were structured into Northern, Central and Southern Conferences.
Rounds 1 and 2 of the 2021 NZ Barbarians U85kg Club Cup were drawn on 16 April 2021 in a Northern, Central and Southern approach. The remaining rounds were drawn in a bracket draw out to a Final.
Quarter Final positions are allocated based on the number of entries from each Conference: Northern – five positions; Central – two positions; and Central/Southern – sharing one position.
Matches for each round must be played by the below dates:
- Round 2 – no later than 21 August
- Round 3 – no later than 31 August
- Quarter Finals – no later than 4 September
- Semi Finals – no later 11 September
- Final – 17 September, Eden Park.