Heide Seyerling-Quinn

Heide Seyerling (born 19 August 1976) is a former South African athlete, born in Port Elizabeth, specializing in the 200 and 400 metres.

She twice competed at the Olympic Games, in 2000 and 2004. At the 2000 Games she reached the 400 metres final finishing 6th with a new (and still standing now) national record of 50.05.

She is married to former sprinter Mathew Quinn. Their achievements in athletics have contributed to their country's sporting legacy and demonstrate the dedication required to compete at the highest levels of track and field.