Otago athletes were among those to impress among quality fields in Hamilton.
Saturday's Porritt Classic drew many of New Zealand's top athletes, alongside several from Australia, Japan and Canada.
Hill City University's Rosie Elliott finished second in the women's 100m.
This year's breakout star ran 11.83sec to beat all except national record holder Zoe Hobbs, who won in 11.65sec.
It continued her good form after a record-breaking performance in Canberra late last week.
The pair combined with Georgia Hulls and Livvy Wilson to break the senior women's national 4×100m relay record in 44.20sec.
Taieri Paralympian Holly Robinson finished third in the open women's javelin with a throw of 39.75m.
Canada's Ashley Pryke won with 49.28m.
Fellow Paralympian Anna Grimaldi (HCU) also had a strong showing against able-bodied competition.
She jumped 5.41m to finish sixth in the women's long jump.
North Harbour Bays' Briana Stephenson won with a jump of 5.90m.
HCU's Rebekah Greene also claimed a sixth place in the women's 1500m.
She ran a time of 4min 22.68 sec, to slot in behind Palmerston North's Kara Macdermid.
Up front Canterbury University duo Katherine Camp and Angela Petty had a tight duel, Camp winning in 4min 15.09sec.
Japanese pair Ran Urabe and Nozomi Tanaka followed.
Taieri's Dyani Shepherd-Oates also finished sixth in the hammer with a throw of 43.98m.
