[4] Walrond was one of a team of four New Zealand athletes who competed at the 1920 Summer Olympics.

[6] In the 100 metre freestyle race, she came fifth in the final (untimed) after placing third in her heat with a time of 1:21.4.

[6] In the 300 metre freestyle race, she came in seventh (although New Zealand newspapers said she was sixth, and some publications said she did not start due to illness) in the final (untimed) after finishing second in her heat in 5:04.6.

She married Harold Robb in 1933, and died in 1996 aged 91, in Papakura, Auckland.

[9] She was honoured in a ceremony in Wellington on 9 December 2020 where her family was presented with a pin in commemoration of her status as the first female Olympian to represent Aotearoa/New Zealand.