The third day of the 2026 Pan Pacific Championships ended with the American girls and American males setting new U.S. Open and Championship Records within the 4×100 freestyle relays.
Kate Douglass led the ladies off in a brand new American file time of 51.69, the 2nd quickest efficiency in historical past and just one hundredth off the world file.
If you missed the motion, or if you wish to rewatch it, we’ve compiled all of the race movies courtesy of the USA Swimming YouTube
WOMEN’S 400 FREESTYLE – Final
Top 8 Finishers
Lani Pallister (AUS) — 3:58.42
Katie Ledecky (USA) — 4:00.15
Erika Fairweather (NZL) — 4:02.35
Kennedi Dobson (USA) — 4:03.56
Maria Fernanda Costa (BRA) — 4:05.55
Yaqi Fan (CHN) — 4:05.87
Moesha Johnson (AUS) — 4:05.97
Ichika Kajimoto (JPN) — 4:07.47
MEN’S 400 FREESTYLE – Final
World Record: 3:39.96, Lukas Märtens (GER) – 2025
U.S. Open Record: 3:43.33, Rex Maurer (USA) – 2025
Pan Pac Championship Record: 3:41.83, Ian Thorpe (AUS) – 1999
Top 8 Finishers
Sam Short (AUS) — 3:40.52 **New Championship and U.S. Open Record
Zhang Zhanshuo (CHN) — 3:42.42
Aaron Shackell (USA) — 3:43.44
Elijah Winnington (AUS) –3 :44.40
Kazushi Imafuki (JPN) — 3:56.65
Rex Maurer (USA) — 3:45.72
Stephan Steverink (BRA) — 3:47.30
Tatsuya Murasa (JPN) — 3:50.36
WOMEN’S 100 BUTTERFLY – Final
Top 8 Finishers
Gretchen Walsh (USA) — 55.15 **New Championship Record
Taylor Ruck (CAN) — 56.71
Alexandria Perkins (AUS) — 56.75
Torri Huske (USA) — 56.93
Yu Yiting (CHN) — 57.17
Erin Gallagher (RSA) — 57.24
Brittany Castelluzzo (AUS) — 57.99
Vanessa Ouwehand (NZL) — 59.87
MEN’S 100 BUTTERFLY – Final
Top 8 Finishers
Matthew Temple (AUS) — 50.39 **New Championship Record
Ben Armbruster (AUS) — 50.59
Luca Urlando (USA) — 50.99
Shoon Mitsunaga (JPN) — 51.16
Shaine Casas (USA) — 51.34
Katsushiro Matsumoto (JPN) — 52.18
Finlay Knox (CAN) — 52.27
Chen Juner (CHN) — 52.28
WOMEN’S 200 BACKSTROKE – Final
Top 8 Finishers
Regan Smith (USA) — 2:05.57
Claire Curzan (USA) — 2:06.55
Peng Xuwei (CHN) — 2:07.45
Hannah Fredericks (AUS) — 2:08.21
Jenna Forrester (AUS) — 2:10.05
Madison Kryger (CAN) — 2:10.32
Daniela Linares Danzos (MEX) — 2:10.39
Rio Shirai (JPN) — 2:13.02
MEN’S 200 BACKSTROKE – Final
World Record: 1:51.92, Aaron Peirsol (USA) – 2009
U.S. Open Record: 1:53.08, Aaron Peirsol (USA) – 2009
Pan Pac Championship Record: 1:53.57, Ryan Murphy (USA) – 2018
Top 8 Finishers
Yumeki Kojima (JPN) — 1:55.38
Blake Tierney (CAN) — 1:56.29
Ethan Ekk (CAN) — 1:56.85
Keaton Jones (USA) — 1:58.00
Stuart Swinburn (AUS) — 1:58.07
Daniel Diehl (USA) — 1:58.21
Se-Bom Lee (AUS) — 1:58.91
Hidekazu Takehara (JPN) — 1:59.45
WOMEN’S 50 BREASTSTROKE – Final
Top 8 Finishers
Tang Qianting (CHN) — 29.67
McKenzie Siroky (USA) — 29.70
Skyler Smith (USA) — 29.90
Satomi Suzuki (JPN) — 30.40
Sophie Angus (CAN) — 30.65
Sienna Toohey (AUS) — 30.78
Alexanne Lepage (CAN) — 30.93
Morgan Cope (RSA) — 31.17
MEN’S 50 BREASTSTROKE – Final
World Record: 25.95, Adam Peaty (GBR) – 2017
U.S. Open Record: 26.30, Van Mathias (USA) – 2026
Pan Pac Championship Record: 26.40, Michael Houlie (RSA) – 2026
Top 7 Finishers
Sam Williamson (AUS) — 26.36 *New Championship Record
Michael Houlie (RSA)/Van Mathias (USA) — 26.42
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Michael Andrew (USA) — 26.78
Joao Gomes Jr (BRA) — 26.99
Taku Taniguchi (JPN) — 27.08
Junjie Liu (CHN) — 27.11 Yamato Okadome (JPN) — DSQ
Women’s 4×100 Freestyle Relay — Final
World Record: 3:27.96, Australia — 2023
U.S. Open Record: 3:35.11, United States — 2010
Pan Pac Championship Record: 3:31.58, Australia — 2018
Results
United States (Douglass, Walsh, Huske, Manuel) — 3:29.32 **New Championship and U.S. Open Record
Australia (Harris, Perkins, Jansen, Wunsch) — 3:31.11
Canada (Ruck, Harvey, Tigert, Fack) — 3:36.44
New Zealand — 3:38.38
Japan — 3:40.07
Canada 2 — 3:40.80
South Africa — 3:50.92
Men’s 4×100 Freestyle Relay — Final
World Record: 3:08.24, United States — 2008
U.S. Open Record: 3:11.74, United States — 2010
Pan Pac Championship Record: 3:11.74, United States — 2010
Top 8 Teams
United States (Guiliano, Sammon, Lasco, Alexy) — 3:09.01 **New Championship and U.S. Open Record
Australia (Taylor, Jack, Sommerville, Turner) — 3:09.57
Japan (Murasa, Mitsunaga, Matsumoto, Matsumoto) — 3:13.53