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2026 PAN PACIFIC CHAMPIONSHIPS - August 12-15, 2026 - Irvine, California - William Woollett Jr. Aquatics Center - LCM (50 meters) - Meet Central - Psych Sheets - Live Results - Live Stream (USA Swimming YouTube) - Recaps The 3rd day of the 2026 Pan Pacific Championships ended with the American women and American men setting new U.S. Open and Championship Records in the 4×100 freestyle relays. Kate Douglass led the women off in a new American record time of 51.69, the 2nd fastest performance in history and only one hundredth off the world record. If you missed the action, or if you want to rewatch it, we have compiled all the race videos courtesy of the USA Swimming YouTube WOMEN’S 400 FREESTYLE – Final - World Record: 3:54.18, Summer McIntosh (CAN) – 2025 - U.S. Open Record: 3:55.37, Summer McIntosh (CAN) – 2025 - Pan Pac Championship Record: 3:58.37, Katie Ledecky (USA) – 2014 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 - World Record: 54.33, Gretchen Walsh (USA) – 2026 - U.S. Open Record: 54.33, Gretchen Walsh (USA) – 2026 - Pan Pac Championship Record: 55.28, Gretchen Walsh (USA) — 2026 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 - World Record: 49.45, Caeleb Dressel (USA) – 2021 - U.S. Open Record: 49.76, Caeleb Dressel (USA) – 2021 - Pan Pac Championship Record: 50.75, Caeleb Dressel (USA) – 2018 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 - World Record: 2:03.14, Kaylee McKeown (AUS) – 2023 - U.S. Open Record: 2:03.80, Regan Smith (USA) – 2023 - Pan Pac Championship Record: 2:04.13, Regan Smith (USA) – 2026 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 - World Record: 29.16, Ruta Meilutyte (LTU) – 2023 - U.S. Open Record: 29.59, Tang Qianting (CHN) – 2026 - Pan Pac Championship Record: 29.59, Tang Qianting (CHN) – 2026 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 - — - 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 - Canada — 3:14.11 - United States 2 — 3;14.40 - Canada — 3:14.96 - New Zealand — 3:17.99 - South Africa — 3:25.25