In the top of the table clash Wanganui edged out South Canterbury in Wanganui 32-30.
And with King Country drawing 22-22 with Thames Valley, Wanganui has a clear lead on the points table.
Fourth-placed Mid Canterbury suffered a 16-26 loss to Wairarapa Bush to move ahead of them on the points table.
Mid Canterbury 16 (Jarred Percival, Seta Koroitsmana tries; Jarred Percival 2 con)
Wairarapa Bush 26 (John Ika, Cameron Hayton, penalty try, tries; Tim Priest 2 con, pen)
Thames Valley 22 (Ben Bonner, Rupeni Vakacegu, Kent McFarlane tries; Jonnie Te Ruki-Chambers 2 con)
King Country 22 (Sean Wanden, Stephan Turner, Ralulu Bovau tries; Zayn Tipping con, pen). HT: 8-6
North Otago 36 (Simon Lillicama, Josh Casey, Matthew Vocea, Shane Tucker, Ralph Darling tries; Casey 3 con)
Horowhenua Kapiti 36 (Warwick Lahmert 2, Fa’afoi Ioapo 2, S Wiperi tries; W Lahmert 3 con)
Poverty Bay 18 (James Grogan, Sione Ngatu tries; Isaia Vuki con, 2 pen)
Buller 30 (James Lash 3, Daniel Hytongue tries; Lash 3 con). HT: 8-14
Wanganui 32 (Malakai Volau 2, Samu Kubunavanua, Gavin Thornbury tries; Steve Crosbie 3 con, pen)
South Canterbury 30 (Nik Strahan, Nick Annear, Tiaone Ratu, Conor McCormack tries; Zac Southen 3 con). HT: 8-14
West Coast 36 (Troy Tauwhare 2, Nik Cumming, Trent Reti, Stanton tries; Reti 3 con)
East Coast 30 (Long Fisiioi 2, Ian Wilson, Rod Ririnui tries; Todd Dolan 2 con, pen). HT: 20-24