Dunedin got the four tries and five points to sit third-equal with Kaik when despatching the GI Spannerheads.
In the battle of the Plains, Taieri shut out GI to record a comfortable victory.
Southern comfortably despatched AU and is tantalisingly close to the four, being just four points adrift of fourth-placed Dunedin.
Zingers predictably stuck it to Pirates to draw well clear of AU and Pirates is a long and lonely last.
Kaik put 80 around a hapless Pirates to leapfrog Southern to go back into the four.
Varsity stayed in top spot with a solid win over Taieri out at the Eel pit.
Varsity predictably was too good for AU and the Pony Pit boys are going nowhere fast as their injury toll rises - season gone for them.
Paul Dwyer giuves his take on the club rugby scene.
Harbour proved too strong for Southern down at the container terminal to remain two points in front of Varsity at the top of the table.
The Sharks got it done across the park against the Magpies to snatch back the "Ron Reggett'', much to the dismay of Mike Reggett.
The Wrap
Varsity destroyed AU all over the Pony Pit as they were too big, too strong and sent out the message to all other clubs - we win this thing, no apologies!
The wrap
Last weekend
The wrap
The wrap Varsity was too powerful for Zingers up at the Point - the students look the second-best side in town, but they play the best side in the semifinal.
The wrap
The wrap
The wrap
Last weekend The Magpies crushed a hapless Sharks outfit by 40 to sail away at the top.