Extended circuit.
Extended circuit, 1971 map.
Levin Circuit Levin North Island New Zealand Track length: 1.180 milesFirst used in 1956 for national meetings and an international meeting in 1958, the circuit was officially 1.0 miles long, although in reality it was a touch shorter. In 1961 it was extended officially to 1.2 miles, although in reality it was 1.0 miles long, and it was used until 1976.