She won mixed doubles titles in 1951, 1952 and 1955 with George Worthington and in 1954 with Rex Hartwig.

At the age of 52, Long teamed with Lorraine Coghlan to lose in the first round of women's doubles at Wimbledon in 1971.

[1] Long became a teaching professional in 1960 and spent many years coaching junior players in New South Wales.

In 1985, her achievements were recognised by Tennis NSW when she was awarded Life Membership of the State Association.

In May 1941, during the Second World War, Long joined the Red Cross as a transport driver and worked in Melbourne.

On 19 February 1942, she joined the Australian Women's Army Service (AWAS) and rose to the rank of captain in April 1944.