She was also selected in the 1980 Moscow Olympic team in the 400 meters but did not compete due to the NZ Government boycotting the event.

Robertson was educated at Epsom Girls' Grammar School in Auckland, and Eastern Institute of Technology, Viticulture and Winemaking Dept, Napier, New Zealand.

It was Mr. McIntyre who suggested to Robertson that she should move up to the 400m something which she first attempted at the NZ Track & Field Championships in Hamilton in March 1977.

Having never run on an indoor track before Robertson made both finals and won a bronze medal behind world record holder Marita Koch in the 200m [6].

After retiring from competitive athletics Robertson moved to the small South Island city of Nelson and coached a number of young sprinters and jumpers.

Brent Stebbings won the NZ Secondary Schools triple jump title 3 years running using the Robertson innovative style of sprint/jump training.

Robertson also coached hockey, basketball and soccer players, marathon runners and Special Olympic athletes over a 20-year period.