There are 3 league structures in which Durban-based rugby clubs can compete. The larger Premier Division clubs have teams playing in both the KZNRU and DRSU leagues.

A) KwaZulu-Natal Rugby Union Leagues

• Premier Division
• Premier Reserves
• First Division
• First Division Reserves
• Under 20A League
• Under 20B League
• Under 20C League

B) DRSU Leagues

• 1) Third Division - Walker Cup
• 2) Fourth Division - Foaden Bowl
• 3) Fifth Division - C.F.Glew Trophy
• 4) Fifth Division - Arthur Greening Plate