The Three Pigs 2 Day Marathon in Glenbervie Forest near Whangarei is held over a weekend with a 16km run or 10km walk on Saturday morning, 5.1km run on Saturday afternoon, and 21.1km half marathon on Sunday morning. Run any one, two or all three races to complete a full marathon in three stages over two days. All events are suitable for both walkers and runners. This is an off-road event so it could be wet, muddy, slippery and uneven underfoot. 5.1 km event suitable for families (but not buggies).