"It's nice to have a good lead on the run. You can stay relaxed and I think that is the key to running well.
The course suited me today as well, based in Kinloch now, so the hills were no issue.''
The win and his form this season marks O'Grady as a genuine threat to the likes of Terenzo Bozzone and Bevan Docherty in some of the upcoming half ironman and 70.3 races. O'Grady is targeting Tauranga Auckland in January.
Hamill is the world champion in the 40-44 age group after winning October's Barfoot and Thompson Auckland world championships and finished ahead of Maddy Brunton and Tamsyn Hayes.
"I have really only been racing for a year in triathlon so this is all new to me but I am delighted with that today,'' Hamill said. "I am racing in a few other Contact Tri Series events so don't really have a big race goal this summer.''
Waikato's Mikayla Nielsen, the 2011 world junior champion, suffered mechanical problems and couldn't threaten the leaders. The 18-year-old had a puncture before the race, had another two punctures during the bike leg and actually ran her bike the final 2km to transition.
Warriner enjoyed a busy day, both as athlete and coach, as she returns to the sport after becoming a mother.
"I am aiming to get back into top shape and form and race again for New Zealand, for sure,'' the 41-year-old said. "It is only early days for me and I certainly don't have any speed at the moment. That is what this is about, getting some speed back into the legs. But I certainly feel stronger since having the baby and I reckon on 3-4 years of top racing from here.''
-APNZ