By Madeline Folsom on SwimSwam
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) How to Watch Recaps Prelims: Day 1Welcome to the first finals session of the 2026 Pan Pacific Championships!
The prelims session already saw a number of Championship records fall, and there are likely more to come in tonight’s finals session along with a few potential world records.
The women’s 50 fly will see Gretchen Walsh as the top seed in 24.91 by just eight hundredths over Virginia teammate Kate Douglass‘s 24.99 in 2nd. The two have been setting American and world records left and right this season, and Walsh could seriously challenge the 50 fly world record tonight.
In the men’s 50 fly, Ben Armbruster is the top seed, also with a Championship record by four hundredths over Brazil’s Gui Caribe. Americans Van Mathias and Michael Andrew were also within a tenth of Armbruster in prelims and the win could go to any of the four.
The women’s 200 freestyle prelims were very close and favorite Summer McIntosh qualified 4th overall and will be swimming in lane six tonight. She sits behind Australian Lani Pallister, New Zealand’s Erika Fairweather, and American Anna Peplowski.
Luke Hobson picked up the 3rd Championship record of the prelims session in the men’s 200 freestyle, stopping the clock in 1:44.31 to earn the top seed by seven tenths over Gabriel Jett‘s 1:45.04.
In the women’s 100 backstroke, Regan Smith unsurprisingly picked up the top seed in a new meet record of 57.86. She was the only swimmer sub-58 and she will be the heavy favorite to win tonight, potentially in a new world record.
Canada’s Blake Tierney and American Will Modglin were very close in the men’s 100 backstroke prelims with Tierney earning the top seed in 53.13, four hundredths over Modglin’s 53.17 in 2nd.
The Americans dominated the women’s 200 fly prelims with Alex Shackell and Tess Howley earning the top seeds in 2:06.68 and 2:07.13. Brittany Castelluzzo will be the next seeded swimmer in the final after she swam 2:09.27 in prelims.
Luca Urlando led the men’s 200 fly prelims in 1:54.13, six tenths ahead of fellow American Carson Foster and seven tenths ahead of Australian Harrison Turner.
The men’s 800 freestyle is a timed final event, but it will see Sam Short and Bobby Finke race for the first time this meet as the only two favorites to win.
Katie Ledecky is the top seed in the women’s 1500 free, and while she has some races this week that could, and likely will, go to somebody else, this is not one of them. Ledecky is the heavy favorite, and she has been nipping at her 2018 world record all season.
The final event of the session will be the mixed 4×100 medley relay where Australia and the United States will be battling for the gold, but the full-strength United States will probably win and could break their own world record.
WOMEN’S 50 BUTTERFLY – Finals
World Record: 24.43, Sarah Sjostrom (SWE) – 2014 U.S. Open Record: 24.51, Gretchen Walsh (USA) – 2026 Pan Pac Championship Record: 24.91, Gretchen Walsh (USA) — 2026MEN’S 50 BUTTERFLY – Finals
World Record: 22.27, Andriy Govorov (UKR) – 2018 U.S. Open Record: 22.59, Ilya Kharun (Sun Devil Swimming) – 2026 Pan Pac Championship Record: 22.92, Ben Armbruster (AUS) — 2026WOMEN’S 200 FREESTYLE – Finals
World Record: 1:52.23, Ariarne Titmus (AUS) – 2023 U.S. Open Record: 1:53.80, Summer McIntosh (CAN) – 2026 Pan Pac Championship Record: 1:54.44, Taylor Ruck (CAN) – 2018MEN’S 200 FREESTYLE – Finals
World Record: 1:42.00, Paul Biedermann (GER) – 2009 U.S. Open Record: 1:43.73, Luke Hobson (USA) – 2025 Pan Pac Championship Record: 1:44.31, Luke Hobson (USA) — 2026WOMEN’S 100 BACKSTROKE – Finals
World Record: 57.13, Regan Smith (USA) – 2024 U.S. Open Record: 57.13, Regan Smith (USA) – 2024 Pan Pac Championship Record: 57.86, Regan Smith (USA) — 2026MEN’S 100 BACKSTROKE – Finals
World Record: 51.60, Thomas Ceccon (ITA) – 2022 U.S. Open Record: 51.94, Aaron Peirsol (USA) – 2009 Pan Pac Championship Record: 51.94, Ryan Murphy (USA) – 2018WOMEN’S 200 BUTTERFLY – Finals
World Record: 2:01.65, Summer McIntosh (CAN) – 2026 U.S. Open Record: 2:02.62, Summer McIntosh (CAN) – 2025 Pan Pac Championship Record: 2:05.40, Jessicah Schipper (AUS) – 2006MEN’S 200 BUTTERFLY – Finals
World Record: 1:50.34, Kristof Milak (HUN) – 2022 U.S. Open Record: 1:52.20, Michael Phelps (USA) – 2008 Pan Pac Championship Record: 1:53.80, Michael Phelps (USA) – 2006MEN’S 800 FREESTYLE – TIMED FINAL
World Record: 7:32.12, Zhang Lin (CHN) – 2009 U.S. Open Record: 7:40.34, Bobby Finke (USA) – 2023 Pan Pac Championship Record: 7:43.74, Zane Grothe (USA) – 2018 Early Heat Leader: Elijah Winnington (AUS) — 7:50.11WOMEN’S 1500 FREESTYLE – TIMED FINAL
World Record: 15:20.48, Katie Ledecky (USA) – 2018 U.S. Open Record: 15:20.48, Katie Ledecky (USA) – 2018 Pan Pac Championship Record: 15:28.36, Katie Ledecky (USA) – 2014 Early Heat Leader: Molly Walker (AUS) — 16:10.58MIXED 4X100 MEDLEY RELAY — Timed Final
World Record: 3:37.43, United States — 2024 Pan Pac Championship Record: 3:38.91, Australia — 2018Read the full story on SwimSwam: 2026 Pan Pacific Championships: Day 1 Finals Live Recap
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