"I wasn't going to ride because I didn't create the NZXC to be a series for me to win," said the recently-crowned 2015 national cross-country champion.
"The NZXC series is for others to enjoy. So I didn't come here to poach points from other riders. I just came here to enjoy myself and I won't be racing at round two anyway because I'll be too busy organising things.
"In saying that, though, I would like to be a contender to win the separate Dirt Guide Series ... I wouldn't feel guilty if I won that.
"The course that Sean (Clarke) set out today was great, just what the cross-country nationals should be like. There were plenty of fast bits and also plenty of flowing stuff through the trees and lots of bumps and ruts. A bit of everything really.
"I grabbed the holeshot at the start and never looked back really.
"I wasn't sure if anyone had passed me while I was refuelling in the pits because I was on my lonesome today and wasn't getting any pit signals from my usual crew ... my wife, Katherine. So I just kept up a good, steady pace. I didn't want to ride too hard and I didn't want to slacken off either ... it's a fine line really ... but I couldn't hear anyone behind me."
Whibley was the only rider required to complete a sixth lap of the forestry course, because the two hours had not elapsed when he came through the timing zone after lap five, but he was already about three minutes ahead of the eventual runner-up, Howick motocross and enduro ace Liam Draper.
Wellington's seven-time former national moto trials champion Jake Whitaker rounded out the podium, crossing the line 20 seconds behind Draper.
Meanwhile, Chase finished the junior race two minutes and 43 seconds ahead of Oparau's James Scott, with Hamilton's Lachlan Bishop third.
Whibley is supported by Yamaha Motor New Zealand, Freedom Moto Yamaha, MotoSR, Monster Energy, Shoei, Sidi, Smith, MSR G2, Asterisk, Moto SR, Vortex Ignitions, EC3D, Bush Riders MCC, Spectro, Acerbis, DID, JT sprockets, Leatt, Kenda, Yamaha NZ, BikesportNZ.com, Unibiker and Tire Balls.