Her mother, Valerie Dillimore (née Morgan), had competed in the 1960 Olympic Games in Rome, Italy as a sprinter, at the age of 16, and had won sprint and long-jump events in national championships.

Robin's sister, Carlene, competed in the 1990 Commonwealth Games, held in Auckland, New Zealand.

She was first selected for the Silver Ferns, the New Zealand national netball team, in 1989 to play against Australia, and in 1990 took part in the Commonwealth Games demonstration match against Australia in Auckland, which was a prelude to netball being included in subsequent Games.

In 1993 Dillimore won another international silver medal, this time in the World Games, which were held in The Hague, Netherlands.

[2][3][4][5] Dillimore is Team Lead, Shipping Operations for Zespri International Limited, the organisation that markets Kiwifruit from New Zealand.