The women's 100 metre freestyle competition at the 2010 Pan Pacific Swimming Championships took place on August 19 at the William Woollett Jr. Aquatics Center.2010 Pan Pacific handbook The last champion was Natalie Coughlin of US.ISHOF list with all medalists in Pan Pacific Championships history

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

Records Prior to this competition, the existing world and Pan Pacific records were as follows: World record52.07Rome, ItalyJuly 31, 2009Pan Pacific Championships record53.76Victoria, CanadaAugust 19, 2006

Results All times are in minutes and seconds.

KEY:qFastest non-qualifiersQQualifiedCRChampionships recordNRNational recordPBPersonal bestSBSeasonal best

Heats The first round was held on August 19, at 10:00.

Rank Heat Lane Name Nationality Time Notes 1 7 4 Dana Vollmer 54.01 QA 2 7 5 Natalie Coughlin 54.09 QA 3 5 2 Yolane Kukla 54.17 QA 4 6 4 Jessica Hardy 54.35 QA 5 6 1 Victoria Poon 54.44 QA 6 6 3 Amanda Weir 54.50 QA 7 7 3 Kara Lynn Joyce 54.59 QA 8 5 5 Emily Seebohm 54.65 QA 9 5 3 Alicia Coutts 54.79 QB 10 7 6 Haruka Ueda 54.93 QB 11 5 1 Felicity Galvez 55.02 QB 12 4 4 Kelly Stubbins 55.06 QB 13 5 4 Marieke Guehrer 55.17 QB 13 7 7 Missy Franklin 55.17 QB 15 1 5 Allison Schmitt 55.19 QB 16 6 5 Hannah Wilson 55.24 QB 17 6 2 Alice Mills 55.33 18 6 6 Hayley Palmer 55.42 19 4 8 Meagen Nay 55.43 20 7 2 Morgan Scroggy 55.46 21 5 6 Tatiana Lemos 55.52 22 6 8 Yayoi Matsumoto 55.54 23 3 4 Erica Morningstar 55.64 24 3 5 Madison Kennedy 55.67 25 5 8 Angie Bainbridge 55.70 26 3 5 Tomoko Hagiwara 55.73 27 4 6 Hanae Ito 55.83 28 3 2 Genevieve Saumur 55.89 29 4 3 Tash Hind 55.90 30 4 2 Christine Magnuson 55.94 31 3 8 Elizabeth Pelton 55.96 32 7 1 Bronte Barratt 56.01 33 3 4 Sinead Russell 56.02 34 2 1 Samantha Cheverton 56.40 34 7 8 Flávia Delaroli 56.40 36 2 4 Alexandra Gabor 56.41 37 3 6 Amaka Gessler 56.48 37 6 7 Katie Hoff 56.48 39 4 1 Hannah Riordan 56.53 40 3 7 Penny Marshall 56.55 41 3 1 Julyana Kury 56.61 42 4 1 Audrey Lacroix 56.67 42 4 1 Barbara Jardin 56.67 44 4 1 Kathleen Hersey 56.78 45 1 4 MacKenzie Downing 56.84 46 2 6 Lauren Boyle 56.96 47 2 2 Risa Sekine 57.01 48 2 8 Akane Hoshi 58.12 49 1 3 Manuella Lyrio 58.26 - 4 7 Stephanie Rice DNS - 5 7 Sally Foster DNS

B Final The B final was held on August 19, at 18:05. Rank Lane Name Nationality Time Notes 9 4 Jessica Hardy 54.16 10 5 Alicia Coutts 54.77 11 6 Yayoi Matsumoto 55.22 12 3 Tatiana Lemos 55.28 13 2 Erica Morningstar 55.61 14 7 Tomoko Hagiwara 55.95 15 1 Flávia Delaroli 56.21 16 8 Sinead Russell 56.23

A Final The A final was held on August 19, at 18:05. Rank Lane Name Nationality Time Notes 5 Natalie Coughlin 53.67 CR 2 Emily Seebohm 53.96 4 Dana Vollmer 53.96 4 3 Yolane Kukla 54.02 5 6 Victoria Poon 54.45 6 7 Haruka Ueda 54.93 7 1 Hannah Wilson 55.32 8 8 Hayley Palmer 56.04

References