She competed at the 1960, 1964 and 1968 Winter Olympics in the 3 Ă— 5 km relay and 5 and 10 km events.
She won three medals in the relay with a gold in 1960 and silvers in 1964 and 1968.
Her best individual result was fourth place over 10 km in 1964, only 7.4 seconds behind the bronze medal.Strandberg also won 3 Ă— 5 km relay medals at the FIS Nordic World Ski Championships with a silver in 1962 and a bronze in 1966.