"It's all about giving people a chance to get out there and get fit," he said.
"I don't do it for recognition or reward. It's a little humbling and a little embarrassing [to be nominated]. I'm just blown away.
"I'm like a proud father in all honesty. It's hugely rewarding and satisfying to see them smiling."
He said he used the group for his own motivation, particularly when he was running in Christchurch recently.
"David is a very inspiring man. If there is a sporting event on that any member is participating in you can guarantee you will find some of the RGC crew on the sidelines supporting our fellow members," his nominee said.
"We have all built amazing friendships and have networks of like-minded people to exercise with. Myself and the other 199 members of the group have no hesitation in nominating David for this award. He is truly selfless and inspirational."
The Pride of New Zealand Awards are proudly brought to you by The New Zealand Herald, The Hits and TSB Bank.
Nominations for the 2015 awards have now closed.
To see more stories of our wonderful nominees click here.
For more information on the awards go to the official website.