Judge's athletics career spanned the period 1939 to 1947. She set world and national records for 880 yards, 330 yards and 300 metres.[1]
On 2 March 1940 Judge broke the world 880 yards record at the Western Australian State Amateur Athletic Championships at Leederville Oval with a time of 2 minutes 24.7 seconds, 1/9 second inside the old world record that was set by Mary Lines in 1922.[2][3] On 8 February 1947 she broke the record again by 0.5 second during an inter-club championship at Leederville Oval.[4] The Australian record stood until 13 December 1947 when broken by Kit Mears at the Victorian State Championships.[5]
On 13 April 1940 Judge broke the world 300 metres record at the Women's Pageant of Sport at the WACA with a time of 39.9 seconds, 0.1 second inside the world record.[6]
On 15 February 1941 she broke the world 330 yards sprint record at Leederville Oval with a time of 39.8 seconds.[7]