Teers also took silver in the 10km points elimination behind Clarke.
In the Junior Boys grade, South Canterbury's Kaylum McAuley was too big and strong for the younger Whanganui star duo of Chase Morpeth and Drew Brennan.
However, Morpeth and Brennan took all the respective silver and bronze medals and "look set to dominate the grade next year", said Smith.
Tazia Parker showed she is a rising star in her first full season of competition with a string of silver medals in the heavily contested Juvenile Girls events, always chasing home Nelson's Mikaela MacDonald.
Whanganui's Keira Brennan joined her on the podium with a brave third in the 3000m.
In the Masters events, Krystine Davies was untouchable in all her races and Whanganui's Crystle Denbee was second.
Paul Cleeve had a good second place in the Masters Men's 300TT and was third in both the 500m and 5km Points.
Hadleigh Smith continued to show the promise he displayed at Road and Track Nationals with a string of seconds in the Primary Boys.
Wanganui club teams took silver in the Senior Women's and Junior Boys relays, while the team of Tazia Parker, Victoria Smith and Keira Brennan got bronze in the Junior Girls.