Two hundred farmers will have their footprints recorded at this year's national agricultural fieldays at Mystery Creek.
They will be tracked by GPS on a minute by minute basis to see where they go and how long they spend at each exhibit and area.
More than 120,000 people attended the fieldays near Hamilton last year and general manager Barry Quayle says GPS tracking will help with future planning of the event.
''We'll be monitoring 50 farmers per day from the time they arrive till they leave," he said.
The national agricultural fieldays are held over four days in June.
GPS tracking has previously been held at similar events in Canada.