"The series will be a huge test for me this year and loads of new experience will come from training with and racing the top Australian girls," she said.
"But I am gutted that I won't be able to defend my title in the Mount Monster this year - unfortunately it clashes with the second round of the series on the Gold Coast."
Maynard was equally disappointed to be absent this time around.
The Aussie finished third last year behind New Zealand stars Cory Taylor - who pocketed $2500 for the win - and runner-up Max Beattie.
"The Mount Monster is unlike any other ironman race in the world," he said.
"The way it incorporates the beautiful landmarks around the Mount is amazing."
Beattie narrowly missed qualifying for the Kellogg's series as well, although he and defending champion Taylor are likely to be back for the Monster from their Queensland base after they, too, enjoyed a stellar year.
Taylor kicked on from his commanding Monster win by winning his first New Zealand Ironman title in Whakatane, before combining with McKenzie and Beattie to help New Zealand defend their World Championship title in France in September.
The concept of the race has been developed by Mount Maunganui Lifeguard Service club coach John Bryant.
Bryant was delighted to see it formalised into a proper race last year, especially with the signature blowhole jump included.
"The blowhole jump isn't just a test of nerves, it's a valuable training tool for our lifeguards."
Mount Monster
When: December 20
Where: Mt Maunganui
Event includes: Run (approx 5km), run/jump/swim (approx) 1.2km, ski (approx 12km), board (approx 6km) - compulsory briefing on the evening of Friday December 19.
Teams can be 2, 3 or 4 members - male, female or mixed with a mixed team having at least one male or female.
All competitors (Individual and Team) must hold Surf Lifeguard Award and be refreshed.
For entry details, contact the Mount Maunganui Life Guard Service or go to: www.raceentries.co.nz/seriesdetail.php?clientid=39&seriesid=68