Two world records highlight Para Pan Pacs day 2 in Walnut

Day 2 of the 2026 Para Pan Pacific Championships in Walnut, California, produced two world records in the 100 breaststroke and a wave of American records across the swimming competition at Mt. SAC Aquatics Center. Brazil's Alessandra Oliveira Dos Santos and Japan's Naohide Yamaguchi lowered global marks on Saturday while Team USA and Australia also posted standout results. The second session of the three-day meet matched Day 1's pair of world records and set up a record-heavy final day at Mt. San Antonio College.

Key Takeaways

• Two world records fell on Day 2, both in the 100 breaststroke, matching the pair that dropped on Day 1.
• Team USA lowered multiple American records, including prelims-to-finals improvements from Katie Kubiak and Aiden Stivers.
• Australia swept all three mixed relay finals on Day 2, finishing untouchable in the S14, 34-point, and 20-point categories.
• The meet runs August 28–30, 2026, at Mt. SAC Aquatics Center in Walnut, California, two years before LA28.
• Swimming World reported six additional American records on Day 2, extending a record-setting start to the championships.

What Happened on Day 2 of Para Pan Pacs?

Saturday's session at the 2026 Para Pan Pacific Championships followed a record-breaking opening day with more global and national standards. After two world records fell Friday, two more went down Saturday—both in the 100 breaststroke.

Eighteen-year-old Alessandra Oliveira Dos Santos of Brazil broke her own SB4 world record in the women's 100 breaststroke, clocking 1:40.63. That time beat her previous mark of 1:41.47 from December 2025 by nearly a full second and placed ninth overall among all swimmers in the event.

In the men's 100 breaststroke, Japan's Naohide Yamaguchi lowered his SB14 world record to 1:02.38, improving on his 1:02.53 from August 2025. Yamaguchi posted the fastest overall time in the event.

Which American Records Fell During the Swimming Competition?

Team USA swimmers added to the meet's record tally throughout Day 2. Olivia Chambers set an American record in the S12 women's 100 breaststroke with 1:18.25, lowering the previous standard by nearly half a second in the same race Dos Santos rewrote globally.

Katie Kubiak, who opened the meet with a world record on Day 1, lowered the American record in the women's S5 50 backstroke twice—first 40.69 in prelims, then 40.18 in finals. Aiden Stivers followed a similar arc in the men's S9 100 breaststroke, going 1:10.43 in prelims before improving to 1:09.90 in finals.

Aspen Shelton demolished the women's SB2 50 breaststroke American record in 1:06.42, nearly two seconds under the previous top U.S. mark. Dillon Mezey set a national standard in the men's S3 50 backstroke at 59.27, and Josie Dolan posted 1:21.68 in prelims of the women's SB9 100 breaststroke.

Why Did Australia Dominate the Relays?

Australia's mixed relay squads were untouchable on Day 2, winning gold in all three finals. The Aussie team took the Mixed 4×100 freestyle relay in the S14 category in 3:45.33 and the 34-point category in 4:07.64.

Australia also claimed the Mixed 4×50 freestyle relay in the 20-point category in 3:01.63. For fans tracking global para swimming, this kind of depth in relay events often signals broader team strength heading into major Games cycles.

Why Does Day 2 Matter for LA28?

The championships run August 28–30, 2026, at Mt. San Antonio College in Walnut—on home soil roughly two years before the Los Angeles Paralympic Games. Bizarre World readers watching record-heavy meets know that outdoor long-course sessions in California heat can test athletes before a home Games.

Swimming World noted that Day 2 brought six additional American records after Katie Kubiak and Leanne Smith opened the meet with world records on Day 1. With finals scheduled for 5:30 p.m. Pacific on the final day, the meet's momentum carried straight into Sunday's closing session.