USA Girls 10 & under - 50 M Breast
These rankings show the swimmers' placement within the United States.They are based on the swimmer's personal best, their current age category, and team; and are calculated from all the meets results.
For each swimmer, you can find the swimmer's ranking, their best time, the corresponding time standard, as well as how much faster the swimmer needs to be to reach the next level. The last columns provide information about the event they achieved this personal best.
Swimmer Rankings
| Ranking | Name | Time | Age | Standard | to Next Standard | Team | Date | Meet | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Lauren Lucero | 39.77 | 10 | AAAA Min | The Spartans of La Canada | 07/23/2025 | 2025 CA SCS Summer A G Champs | ||
| 2 | Elizabeth Atrous-Creammer | 40.55 | 10 | AAAA Min | Laker Swim | 04/11/2026 | 2026 Ron Nardozzi Pre Derby Sprint Invite C | ||
| 3 | Jingquan Zhou | 40.93 | 10 | AAAA Min | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 4 | Zoe Chan | 40.97 | 10 | AAAA Min | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | ||
| 5 | Olivia Rao | 41.15 | 10 | AAAA Min | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | ||
| 6 | Valentina Pino | 41.26 | 10 | AAAA Min | Gulliver Swim Club | 05/15/2026 | 2026 Gulliver LCM Summer Classic | ||
| 7 | Adeline Farrier | 41.75 | 10 | AAAA Min | Clearwater Aquatic Team | 05/01/2026 | 2026 WFLA SPRING OPEN | ||
| 8 | Iris Liu | 41.77 | 9 | AAAA Min | Florida Atlantic Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | ||
| 9 | Morgan Reynosa | 41.82 | 10 | AAAA Min | Northside Aquatics | 05/15/2026 | 2026 ST NIST Salute To The Troops | ||
| 10 | Deara Chen | 41.86 | 10 | AAAA Min | Sporting Jax Aquatic Club | 07/10/2025 | 2025 FL Summer Age Group Championships | ||
| 11 | Khloe Morse | 41.92 | 10 | AAAA Min | Carrollwood Village Swim Team | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | ||
| 12 | Miya Liang | 42.15 | 10 | AAA Min | AAAA: 42.09 (+0.06s | 0.1%) | Otter Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 13 | Anastasiia Beznosiuk | 42.35 | 10 | AAA Min | AAAA: 42.09 (+0.26s | 0.6%) | Tampa Bay Aquatics | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 14 | Zixi Liu | 42.48 | 10 | AAA Min | AAAA: 42.09 (+0.39s | 0.9%) | Pacific Dragons Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 15 | Alexandra Steensland | 42.86 | 10 | AAA Min | AAAA: 42.09 (+0.77s | 1.8%) | Riptide Swim Team | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 16 | Morgan Reynosa | 43.36 | 10 | AAA Min | AAAA: 42.09 (+1.27s | 2.9%) | Unattached | 04/18/2026 | 2026 ST NIST Spring Into Long Course | |
| 17 | Elizabeth Atrous | 43.47 | 10 | AAA Min | AAAA: 42.09 (+1.38s | 3.2%) | Unattached | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 18 | Journey Maus | 43.85 | 10 | AAA Min | AAAA: 42.09 (+1.76s | 4.0%) | Gulf Coast Swim Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 19 | Neola Chen | 43.86 | 10 | AAA Min | AAAA: 42.09 (+1.77s | 4.0%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 20 | Grace Sora | 43.95 | 10 | AAA Min | AAAA: 42.09 (+1.86s | 4.2%) | Saint Petersburg Aquatics | 05/15/2026 | 2026 SAINT PETE S 2nd LONG COURSE MEET | |
| 21 | Hellen Xia | 43.98 | 10 | AAA Min | AAAA: 42.09 (+1.89s | 4.3%) | Trident Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 22 | Yushi Chong | 43.98 | 10 | AAA Min | AAAA: 42.09 (+1.89s | 4.3%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 23 | Melody Li | 44.14 | 10 | AAA Min | AAAA: 42.09 (+2.05s | 4.6%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 24 | Elle Burnbaum | 44.18 | 10 | AAA Min | AAAA: 42.09 (+2.09s | 4.7%) | Gulliver Swim Club | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 25 | Evalyn Lee | 44.22 | 10 | AAA Min | AAAA: 42.09 (+2.13s | 4.8%) | Cypress Fairbanks Swim Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 26 | Mio Murdock | 44.31 | 10 | AA Min | AAA: 44.29 (+0.02s | 0.0%) | Rose Bowl Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 27 | Alana Jaidar | 44.34 | 10 | AA Min | AAA: 44.29 (+0.05s | 0.1%) | The Claremont Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 28 | Annabelle Kaufenberg | 44.36 | 10 | AA Min | AAA: 44.29 (+0.07s | 0.2%) | Aquajets Swim Team | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 29 | Samara Davis | 44.43 | 10 | AA Min | AAA: 44.29 (+0.14s | 0.3%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 30 | Alexis Lundquist | 44.44 | 10 | AA Min | AAA: 44.29 (+0.15s | 0.3%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 31 | Abigail Lange | 44.46 | 10 | AA Min | AAA: 44.29 (+0.17s | 0.4%) | Racer X Aquatics | 06/12/2025 | Holtrey Summer Classic | |
| 32 | Ella Xu | 44.58 | 9 | AA Min | AAA: 44.29 (+0.29s | 0.7%) | Team 300 | 07/16/2025 | 2025 Texas Age Group Championships | |
| 33 | Rowan McLaughlin | 44.76 | 10 | AA Min | AAA: 44.29 (+0.47s | 1.1%) | Island Aquatics | 04/19/2026 | 2026 MAGSA LCM A1 Meet | |
| 34 | Emma Zhang | 44.84 | 10 | AA Min | AAA: 44.29 (+0.55s | 1.2%) | Unattached | 08/07/2024 | 2024 EZ LC Age Group Championship | |
| 35 | Tea Rutka | 44.96 | 9 | AA Min | AAA: 44.29 (+0.67s | 1.5%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 36 | Jordan Heller | 45.02 | 10 | AA Min | AAA: 44.29 (+0.73s | 1.6%) | Sparks Piranhas Swim Team | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | |
| 37 | Mary Barton | 45.02 | 9 | AA Min | AAA: 44.29 (+0.73s | 1.6%) | Southwest Stars Swim Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 38 | Evelynn Delaney | 45.09 | 10 | AA Min | AAA: 44.29 (+0.80s | 1.8%) | Granite City Aquatics | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 39 | Willow Murphy | 45.14 | 9 | AA Min | AAA: 44.29 (+0.85s | 1.9%) | Unattached | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 40 | Adrienne Wik | 45.29 | 10 | AA Min | AAA: 44.29 (+1.00s | 2.2%) | Southwest Stars Swim Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 41 | Carson Donlin | 45.32 | 10 | AA Min | AAA: 44.29 (+1.03s | 2.3%) | Denver Swim Academy | 06/19/2025 | 2025 CO ACES Summer Invite | |
| 42 | Alexis Liao | 45.35 | 10 | AA Min | AAA: 44.29 (+1.06s | 2.3%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 43 | Iris Liu | 45.37 | 10 | AA Min | AAA: 44.29 (+1.08s | 2.4%) | Katy Aquatic Team For Youth | 07/16/2025 | 2025 Texas Age Group Championships | |
| 44 | Margaret DeSmidt | 45.42 | 10 | AA Min | AAA: 44.29 (+1.13s | 2.5%) | Bolles School Sharks | 04/10/2026 | 2026 April Classic | |
| 45 | Selwyn Bates | 45.43 | 10 | AA Min | AAA: 44.29 (+1.14s | 2.5%) | Blue Dolfins | 05/15/2026 | 2026 PA Long Course Invite | |
| 46 | Mingxuan Zhang | 45.49 | 10 | AA Min | AAA: 44.29 (+1.20s | 2.6%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 47 | Mariela Quintero | 45.51 | 9 | AA Min | AAA: 44.29 (+1.22s | 2.7%) | Equipo Natacion Encantada | 05/01/2026 | Jesse Vasallo Swimming Invitational | |
| 48 | Bailey Harrell | 45.52 | 9 | AA Min | AAA: 44.29 (+1.23s | 2.7%) | Southwest Stars Swim Club | 05/15/2026 | 2026 PA Long Course Invite | |
| 49 | Stella Hogendorn | 45.52 | 10 | AA Min | AAA: 44.29 (+1.23s | 2.7%) | Aquajets Swim Team | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 50 | Sadie Van Horn | 45.57 | 10 | AA Min | AAA: 44.29 (+1.28s | 2.8%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.