By Madeline Folsom on SwimSwam
2026 U.S. National Championships
July 28-August 1, 2026 Irvine, CA — William Woollett Jr. Aquatics Center LCM (50 meters) Meet Central Psych Sheet Live Results Live Stream Recaps Prelims: Day 1 | Day 2 | Day 3 | Day 4 Finals: Day 1 | Day 2 | Day 3 | Day 4Night four of the 2026 U.S. National Championships was one of the most exciting sessions of the meet so far, and Luka Mijatovic setting the 17-18 NAG record and becoming the 5th fastest American in history in the men’s 400 freestyle with his 3:43.45.
If you missed that or any of the other races, or you want to relive them, SwimSwam has compiled the race videos courtesy of USA Swimming here.
Women’s 400 Freestyle — Finals
World Record: 3:54.18 — Summer McIntosh, Canada (2025) American Record: 3:56.46 — Katie Ledecky (2016) U.S. Open Record: 3:55.37 — Summer McIntosh, Canada (2025)Top 8 Finishers
Madi Mintenko (CA) — 4:04.54 Kate Hurst (TXLA) — 4:06.45 Cavan Gormsen (LIAC) — 4:07.81 Brinkleigh Hansen (SPA) — 4:07.92 Bella Sims (SAND) — 4:08.40 Marie Landreneau (COLA) — 4:08.88 Gena Jorgenson (HUSK) — 4:10.33 Lillie Nesty (TXLA) — 4:10.66Men’s 400 Freestyle — Finals
World Record: 3:39.96 — Lukas Märtens, Germany (2025) American Record: 3:42.78 — Larsen Jensen (2008) U.S. Open Record: 3:43.33 — Rex Maurer, United States (2025) World Junior Record: 3:42.82 — Zhang Zhanshuo, China (2025)Top 8 Finishers
Luka Mijatovic (PLS) — 3:43.45 Ryan Erisman — 3:44.39 William Mulgrew — 3:47.88 Sean Green (LIAC) — 3:48.52 Aiden Hammer (TXLA) — 3:49.00 Carson Hick (KYA) — 3:50.18 Andrew Shackell (ISC) — 3:50.90 Max Carlsen (WOLF) — 3:54.97Women’s 100 Breaststroke — Finals
World Record: 1:04.13 — Lilly King, United States (2017) American Record: 1:04.13 — Lilly King (2017) U.S. Open Record: 1:04.45 — Jessica Hardy, United States (2009)Top 8 Finishers
McKenzie Siroky (TNAQ) — 1:05.64 Kate Douglass (NYAC) — 1:05.66 Emma Weber (CA) — 1:06.92 Anita Bottazzo (ISC) — 1:07.19 Piper Enge (TXLA) — 1:07.34 Lucy Thomas (ALTO) — 1:07.78 Maddy Huggins (CS) — 1:08.04 Addie Robillard — 1:08.96Men’s 100 Breaststroke — Finals
World Record: 56.88 — Adam Peaty, Great Britain (2019) American Record: 58.01 — Van Mathias (2026) U.S. Open Record: 58.01 — Van Mathias, United States (2026)Top 8 Finishers
Alexei Avakov (ISC) — 58.87 Nate Germonprez (TXLA) — 59.51 Watson Nguyen (MTRO) — 59.79 Gabe Nunziata (TNAQ) — 1:00.05 Luke Barr (TFA) — 1:00.06 Mitch Mason (TFA) — 1:00.14 Eli Martin (VT) — 1:00.15 Finnley Conklin (UOFL) — 1:00.65Women’s 100 Backstroke — Finals
World Record: 57.13 — Regan Smith, United States (2024) American Record: 57.13 — Regan Smith (2024) U.S. Open Record: 57.13 — Regan Smith, United States (2024)Top 8 Finishers
Isabelle Stadden (AQJT) — 58.06 Maggie Wanezek (WISC) — 58.76 Claire Curzan (TAC) — 58.83 Phoebe Bacon (WISC) — 59.60 Rhyan White (WOLF) — 59.74 Kennedy Noble (WOLF) — 59.81 Charlotte Crush (LAK) — 59.91 Erika Pelaez (WOLF) — 59.97Men’s 100 Backstroke — Finals
World Record: 51.60 — Thomas Ceccon, Italy (2022) American Record: 51.85 — Ryan Murphy (2016) U.S. Open Record: 51.94 — Aaron Piersol, United States (2009)Top 8 Finishers
Owen McDonald (ISC) — 53.43 Ulises Saravia (TNAQ) — 53.70 Jack Wilkening (TXLA) — 53.78 Adam Chaney (SUN) — 54.04 Devin Naoroz (KYA) — 54.28 Jonny Marshall (UN) — 54.36 Ben Bricca (TNAQ) — 54.37 Nick Rounds (USD) — 54.41Read the full story on SwimSwam: WATCH: Luka Mijatovic Swim 3:43.45 to Win 400 Free AT U.S. Nationals (Day 4 Race Videos)
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