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 | Emma Kurokoshi | 39.13 | 10 | AAAA Min | Ccat Swimming | 07/23/2025 | 2025 CA SCS Summer A G Champs | ||
| 2 | Irene Zhong | 39.60 | 10 | AAAA Min | Santa Clara Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 3 | Lauren Lucero | 39.77 | 10 | AAAA Min | The Spartans of La Canada | 07/23/2025 | 2025 CA SCS Summer A G Champs | ||
| 4 | Emma Xia | 40.31 | 10 | AAAA Min | Orinda Aquatics | 07/11/2025 | 2025 Age Group Championships | ||
| 5 | Jingquan Zhou | 40.93 | 10 | AAAA Min | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 6 | Zoe Chan | 40.97 | 10 | AAAA Min | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | ||
| 7 | Olivia Rao | 41.15 | 9 | AAAA Min | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | ||
| 8 | Ariana Griffiths | 41.60 | 10 | AAAA Min | Lifetime Swim Team | 07/16/2025 | 2025 Texas Age Group Championships | ||
| 9 | Charleeze Medford | 41.74 | 10 | AAAA Min | Unattached | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | ||
| 10 | Iris Liu | 41.77 | 8 | AAAA Min | Florida Atlantic Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | ||
| 11 | Deara Chen | 41.86 | 10 | AAAA Min | Sporting Jax Aquatic Club | 07/10/2025 | 2025 FL Summer Age Group Championships | ||
| 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 | Zixi Liu | 42.48 | 9 | AAA Min | AAAA: 42.09 (+0.39s | 0.9%) | Pacific Dragons Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 14 | Madison Huynh | 42.97 | 10 | AAA Min | AAAA: 42.09 (+0.88s | 2.0%) | Golden West Swim Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 15 | Eleanor Amys-Roe | 43.32 | 10 | AAA Min | AAAA: 42.09 (+1.23s | 2.8%) | Northfield Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 16 | Elizabeth Atrous | 43.47 | 9 | AAA Min | AAAA: 42.09 (+1.38s | 3.2%) | Unattached | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 17 | Adriana Logan | 43.84 | 10 | AAA Min | AAAA: 42.09 (+1.75s | 4.0%) | Racers Swim Club | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 18 | Journey Maus | 43.85 | 9 | AAA Min | AAAA: 42.09 (+1.76s | 4.0%) | Gulf Coast Swim Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 19 | Adeline Farrier | 43.86 | 9 | AAA Min | AAAA: 42.09 (+1.77s | 4.0%) | Clearwater Aquatic Team | 05/16/2025 | 2025 SYS Memorial Meet | |
| 20 | Hellen Xia | 43.98 | 9 | AAA Min | AAAA: 42.09 (+1.89s | 4.3%) | Trident Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 21 | Isabella Cooke | 44.01 | 10 | AAA Min | AAAA: 42.09 (+1.92s | 4.4%) | Aptos Cabrillo Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 22 | Evalyn Lee | 44.22 | 9 | AAA Min | AAAA: 42.09 (+2.13s | 4.8%) | Cypress Fairbanks Swim Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 23 | Ava Liu | 44.28 | 10 | AAA Min | AAAA: 42.09 (+2.19s | 4.9%) | Trident Swim Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 24 | Mio Murdock | 44.31 | 9 | AA Min | AAA: 44.29 (+0.02s | 0.0%) | Rose Bowl Aquatics | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 25 | Elizabeth Atrous | 44.32 | 9 | AA Min | AAA: 44.29 (+0.03s | 0.1%) | Patriot Aquatics | 05/16/2025 | 2025 PA Long Course Invite | |
| 26 | Alana Jaidar | 44.34 | 9 | AA Min | AAA: 44.29 (+0.05s | 0.1%) | The Claremont Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 27 | Melinda Ramirez Perez | 44.40 | 10 | AA Min | AAA: 44.29 (+0.11s | 0.2%) | Alamo Area Aquatic Association | 07/10/2025 | 2025 ST AAAA STAGS LC Championship | |
| 28 | Anastasiia Beznosiuk | 44.43 | 10 | AA Min | AAA: 44.29 (+0.14s | 0.3%) | Tampa Bay Aquatics | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 29 | Abigail Lange | 44.46 | 9 | AA Min | AAA: 44.29 (+0.17s | 0.4%) | Racer X Aquatics | 06/12/2025 | Holtrey Summer Classic | |
| 30 | Ella Zu | 44.50 | 10 | AA Min | AAA: 44.29 (+0.21s | 0.5%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 31 | Elissa Xia | 44.52 | 10 | AA Min | AAA: 44.29 (+0.23s | 0.5%) | Pacific Dragons Swim Team | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 32 | Ella Xu | 44.58 | 8 | AA Min | AAA: 44.29 (+0.29s | 0.7%) | Team 300 | 07/16/2025 | 2025 Texas Age Group Championships | |
| 33 | Renee Lu | 44.65 | 9 | AA Min | AAA: 44.29 (+0.36s | 0.8%) | Capital of Texas Aquatics | 05/02/2025 | 2025 ST ASC Cinco De Mayo | |
| 34 | Bernadette Hill | 44.75 | 10 | AA Min | AAA: 44.29 (+0.46s | 1.0%) | Unattached | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | |
| 35 | Norah Pearson | 44.80 | 10 | BB Min | A: 42.69 (+2.11s | 4.7%) | Monticello Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 36 | Emma Zhang | 44.84 | 8 | AA Min | AAA: 44.29 (+0.55s | 1.2%) | Unattached | 08/07/2024 | 2024 EZ LC Age Group Championship | |
| 37 | Morgan Reynosa | 44.87 | 10 | AA Min | AAA: 44.29 (+0.58s | 1.3%) | Alamo Area Aquatic Association | 07/16/2025 | 2025 Texas Age Group Championships | |
| 38 | Summer Choudhry | 44.87 | 10 | AA Min | AAA: 44.29 (+0.58s | 1.3%) | Pro Swimming | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 39 | Charlotte Mahan | 44.89 | 10 | AA Min | AAA: 44.29 (+0.60s | 1.3%) | Texas Elite Swim Team | 07/16/2025 | 2025 Texas Age Group Championships | |
| 40 | Jordan Heller | 45.02 | 9 | AA Min | AAA: 44.29 (+0.73s | 1.6%) | Sparks Piranhas Swim Team | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | |
| 41 | Jacey Huang | 45.02 | 10 | AA Min | AAA: 44.29 (+0.73s | 1.6%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 42 | 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 | |
| 43 | Brecklyn Gunning | 45.26 | 10 | AA Min | AAA: 44.29 (+0.97s | 2.1%) | Denver Swim Academy | 06/06/2025 | 2025 CO NJ Summer Solstice Invitational | |
| 44 | Ada Garvin | 45.28 | 10 | AA Min | AAA: 44.29 (+0.99s | 2.2%) | Front Range Barracudas | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 45 | Carson Donlin | 45.32 | 9 | AA Min | AAA: 44.29 (+1.03s | 2.3%) | Denver Swim Academy | 06/19/2025 | 2025 CO ACES Summer Invite | |
| 46 | 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 | |
| 47 | Megan Chen | 45.39 | 10 | AA Min | AAA: 44.29 (+1.10s | 2.4%) | Pleasanton Seahawks | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 48 | Mingxuan Zhang | 45.49 | 9 | AA Min | AAA: 44.29 (+1.20s | 2.6%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 49 | Maelys Herrera | 45.55 | 10 | AA Min | AAA: 44.29 (+1.26s | 2.8%) | Terrapins Swim Team | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 50 | Sadie Van Horn | 45.57 | 9 | 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.