While the result might have surprised a few of the Australian commentators - and it shouldn't have after the young Kiwi's recent performances at home against world class opposition - it didn't surprise the man himself.
"I wasn't surprised to win," said Lamont matter-of-factly.
"I was planning on being among the top two or three at least.
"The track was quite hilly and they had put mulch down on the dirt so, when it rained, it got quite slippery.
"It obviously didn't suit all the riders, but I adjusted pretty quickly.
"I think I shut a few people up and shocked a few others."
Home now to rest and recover - he had surgery to remove his appendix just over a week ago - Lamont said he planned on training at the tracks near his Mangakino home before heading back for round two in less than two weeks' time.
"I was heavily strapped up but I still had huge stomach cramps at the weekend," said Lamont.
"I believe I will be 100 per cent again before round two."
And that should sound a few warning bells for his rivals - if he can dominate at less than 100 per cent, imagine what could happen when he's fully fit?
"I want to thank Jeff Leisk in Australia and Patrick Stafford in New Zealand for all their support and also Husqvarna, Red Bull, WIL Sport, Philip Parry Contracting, BikesportNZ.com, Workshop Graphics, Motorex, Suspension Tech, Karl Mason Builders, Advance Physiotherapy and Kinetic Planning."