Tags: Swimmer.
Elizabeth Mary Coster (born December 11 1982 in Auckland) is a New Zealand swimmer who specializes in backstroke and butterfly events. She helped out the New Zealand team to pull off a fourth-place effort and broke a New Zealand record of 4:06.30 in the medley relay at the 2006 Commonwealth Games in Melbourne Australia.Coster made her official debut at the 2004 Summer Olympics in Athens where she competed in the 100 m butterfly.