Wanganui joined King Country at the top of the Heartland points table after round three games on Saturday.
Wanganui scored 53 points in beating a scoreless Poverty Bay side while King Country had a close 22-18 win over North Otago.
Mid Canterbury are two points behind the leaders on 12 points after their 36-29 win over West Coast in Ashburton.
Thames Valley maintained its good start to the season with a 43-22 win over Buller away in Westport.
Horowhenua Kapiti is hosting South Canterbury at Westpac Stadium in Wellington on Sunday.
Heartland results – Week 3
Buller 22 (Anthony Ellis, Caleb Aperahama, Anthony Tailua tries; Michael Wells 2 con, pen)
Thames Valley 43 (Matiu Abraham, Harry Lafituanai, Cameron Dromgool, Ethan Seymour 2, Brett Ranga, Reece Broughton tries; Broughton 4 con).
King Country 22 (Alex Thrupp, Rob Sherson, Sayne Tipping tries; Evan Reihana 2 con, pen)
North Otago 18 (Junior Fakatoufifita, Anthony Amato, Hemaua Samasoni tries; Josh Buckham pen)
Poverty Bay 00
Wanganui 53 (Kaveni Dabenaise, Tyler Rogers-Holden 2, Harry Symes, Dane Whale, Kameli Kuruyabaki, Shandon Scott, Craig Clare tries; Clare 4 con, pen; Scott con). HT: 0-36
East Coast 5 (Jayden Milner try)
Wairarapa Bush 26 (Matt Henderson, Mike Lealeav’a, Sam Gammie 2 tries; Glenn Walters 3 con)
Mid Canterbury 36 (Seta Koroitamana 2, Jarred Percival, Brian Matormusha, Dan Fransen tries; Andrew Letham 4 con, pen)
West Coast 29 (Amenatave Tukana, Tumama Tu’ulua, Duncan Wood, Sean McClure tries; Tom Reekie 3 con, pen). HT: 21-7