She hopes to run under three hours and her resume suggests she's speaking an acceptable dialect.
The stay-at-home mother of two girls finished 32nd in the 2014 London Marathon, clocking 2h 55m in a field of 12,000 females.
On March 25, she won the Dual Motatapu Trail Marathon in Wanaka in a time of 4h 19m.
"It was an offroad track and there 1100m of elevation," she impresses to put her time in perspective.
She took to marathons in 2008 but had five years off for motherhood, something she believes has made her stronger considering her time before that was 3:10 but after childbirth it dropped to 2:55.
Morgan started with duathlons as a teenager before catching the marathon bug.
"I was 18 and it was quite addictive so I wanted to go longer and faster," she says, revealing her husband, Ben Morgan, will run the half marathon.
Perhaps the wildcard will be New South Welshwoman Leah Fitzgerald.
The 33-year-old Aussie won the Coffs Harbour Half Marathon last year before adding the bragging rights to the 2015 Big Island International Marathon in the United States.