"There were times when I thought I might not win but I was happy when I finished.
"This isn't the first time I have taken part in this race - I do quite a few running races," he said.
Image 1 of 26: Kids 2km dash. Tiki-Pounamu Rika. Photo/Ben Fraser
Toby said his favourite part about running was getting to the finish line and his mum and dad were "probably proud of him".
Every child was awarded a commemorative finisher medal to acknowledge their efforts.
Cameron Guest, 3, was the youngest participant, running across the line with mum, Lizzy Guest.
She said Cameron enjoyed the race, though "the second lap became a wee bit of a struggle".
"I completed the Tarawera Ultra Marathon last weekend so thought this weekend it could be the kids' turn.
Anthony Guest, 5, said he had fun taking part in the race.
"The best part about running is winning the medal. I'm going to take it to school tomorrow," he said.