The Women's 200m Backstroke event at the 10th FINA World Aquatics Championships swam on 25–26 July 2003 in Barcelona, Spain. Preliminary[1] heats swam during the morning session on July 25, with the top-16 finishers advancing to Semifinals[2] that evening. The top-8 finishers then advanced to swim again in the Final the next evening.[3]
At the start of the event, the World (WR) and Championship (CR) records were:
WR: 2:06.62 swum by Krisztina Egerszegi (Hungary) on August 25, 1991 in Athens, Greece.