Since returning she has won the 2011 Christchurch Marathon and San Antonio Rock n Roll Marathon in times of 2h 45m.
She is coming to Rotorua on the back of a win at the 2012 Statesman Capitol 10km Road race in Austin, Texas.
Hunter-Galvan is looking forward to the event as she has never raced in Rotorua.
"I had entered the 'rained out' edition in 1999, so to now have the opportunity to run the Rotorua Marathon - an event I watched my Dad [compete in] about 30 years ago - is fantastic," Hunter-Galvan said.
You can see Hunter-Galvan along with more than 4000 participants in the Lion Foundation Rotorua Marathon, Rotorua Energy Charitable Trust Half Marathon, ASICS Marathon (10.5km) and 5.5k Fun Run.
The race is on Saturday,April 28.