Orienteering Bay of Plenty club member Hayley Bennett said her family joined the club two years ago.
"I just thought it was a great way for the family to get fit, without just straight running. Reading the map and having something to think about distracts you from the pain of sore legs," she said.
"My husband Cambell and I take turns navigating, and sometimes we just do it all as a family."
Mrs Bennett said her kids Alana, 7, and Jamie, 4, found it "exciting".
"The course ranges from one to three hours," she said.
The summer nav series events take place on Wednesday evenings from 6pm to 7pm and are open to everyone.
-For more details see www.orienteering.org.nz/events.