The women's 100 metre freestyle competition of the swimming events at the 1959 Pan American Games took place on 1 September (preliminaries)O GLOBO News Archive and 4 September (finals). The last Pan American Games champion was Helen Stewart of Canada.Hickoksports ResultadosAll Pan medalists - MaleAll Pan medalists - FemalePan American Games - Swimming and Diving page, from gbrathletics.com; retrieved 2012-04-15.

This race consisted of two lengths of the pool, both lengths being in freestyle.Swimming technical manual

Results All times are in minutes and seconds.

KEY:qFastest non-qualifiersQQualifiedGRGames recordNRNational recordPBPersonal bestSBSeasonal best

Heats The first round was held on September 1.

Rank Heat Name Nationality Time Notes 1 2 Chris von Saltza 1:04.2 Q, GR 2 2 Joan Spillane 1:05.3 Q 3 1 Molly Botkin 1:06.2 Q 4 2 Margaret Iwasaki 1:06.3 Q 5 1 Blanca Barrón 1:07.6 Q 6 1 Maria Luísa Sousa 1:08.2 Q 7 1 Helen Hunt 1:08.5 Q 8 2 Sandra Scott 1:09.4 Q - - Maria Teixeira 1:11.6 - - Glória Funaro 1:11.9 - - Lílian Moreira 1:12.8

Final The final was held on September 4. Rank Name Nationality Time Notes Chris von Saltza 1:03.8 GR Molly Botkin 1:05.7 Joan Spillane 1:05.8 4 Margaret Iwasaki 1:06.0 5 Blanca Barrón 1:08.5 6 Maria Luísa Sousa 1:08.8 6 Sandra Scott 1:08.8 8 - - -

References