Kawerau's Matt Walker finished just 26s behind him, with 35m 32s, and Ben Robson (Rotorua) finished third in 36m 04s.
As well as taking the prize money for overall winner Leov also won cash for five out of six race stages. Leov heads overseas in April to compete for Trek at the Enduro World Series.
"Of all the New Zealand events I've done this is the best," he said after the race.
"Well organised, great trails - I'll definitely be back."
In the women's field, there were plenty of top riders from different mountain bike disciplines fighting for honours.
Continuing her good recent form, Wellington's Rosara Joseph recorded the fastest overall time with 40m 35s, winning four out of six race stages.
Meanwhile, Meg Bichard (Nelson) finished in 41m 13s and Jenna Makgill (Auckland) finished third in a time of 42m 10s.
Race director Gellatly said it was a great day of riding.
"It's just great to come out and see everyone enjoying the riding and the camaraderie of the event. It really is the spirit of the riders and volunteers out on the course that make it such a great day," he added.