The 1931 WAAA Championships were the national track and field championships for women in the United Kingdom.
[1][2] The event was held at Stamford Bridge, London, on 11 July 1931.
Nellie Halstead and Constance Mason both set up new world records, repeating their feat from the previous year and Elsie Green set a new world record in the 80 metres hurdles event.
[3][4]