USA Girls 10 & under - 50 M Back
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 | Naya Alhafez | 15.11 | 9 | AAAA Min | Pro Swimming | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 2 | Coco Carman | 32.37 | 12 | AAAA Min | Diablo Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 3 | Irene Zhong | 34.00 | 10 | AAAA Min | Santa Clara Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 4 | Olivia Covey | 36.21 | 9 | AAAA Min | Bellevue Club Swim Team | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | ||
| 5 | Maeve Devaney | 36.73 | 10 | AAAA Min | Los Angeles Swim Club | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | ||
| 6 | Abigail Lange | 36.89 | 9 | AAAA Min | Racer X Aquatics | 06/12/2025 | Holtrey Summer Classic | ||
| 7 | Hadley Wheeler | 36.90 | 9 | AAAA Min | Swim Streamline at Northampton | 07/16/2025 | 2025 Texas Age Group Championships | ||
| 8 | Adeline Farrier | 37.19 | 9 | AAAA Min | Clearwater Aquatic Team | 05/03/2025 | 2025 TYR LCM Stingrays Meet | ||
| 9 | Jingquan Zhou | 37.19 | 10 | AAAA Min | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 10 | Collins Peachee | 37.21 | 10 | AAAA Min | Unattached | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | ||
| 11 | Megan Chen | 37.21 | 10 | AAAA Min | Pleasanton Seahawks | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 12 | Eve Jun | 37.25 | 9 | AAAA Min | Pleasanton Seahawks | 07/11/2025 | 2025 Age Group Championships | ||
| 13 | Reign Belzer | 37.48 | 9 | AAAA Min | Florida Atlantic Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | ||
| 14 | Ariana Griffiths | 37.64 | 10 | AAA Min | AAAA: 37.49 (+0.15s | 0.4%) | Lifetime Swim Team | 07/16/2025 | 2025 Texas Age Group Championships | |
| 15 | Mackenzie Eby | 37.74 | 9 | AAA Min | AAAA: 37.49 (+0.25s | 0.7%) | Unattached | 08/07/2024 | 2024 EZ LC Age Group Championship | |
| 16 | Olivia Rao | 37.84 | 9 | AAA Min | AAAA: 37.49 (+0.35s | 0.9%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 17 | Elena Chen | 37.90 | 10 | AAA Min | AAAA: 37.49 (+0.41s | 1.1%) | Quicksilver Swimming | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 18 | Elizabeth Burke | 37.90 | 10 | AAA Min | AAAA: 37.49 (+0.41s | 1.1%) | Madison Aquatic Club | 06/26/2025 | 2025 MN AQJT Aquajets Summer Spectacular | |
| 19 | Gigi Thibault | 38.47 | 9 | AAA Min | AAAA: 37.49 (+0.98s | 2.5%) | Pointe Aquatics | 05/16/2025 | Busbey Invitational 2025 | |
| 20 | Eve Anthofer | 38.59 | 9 | AAA Min | AAAA: 37.49 (+1.10s | 2.9%) | Unattached | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | |
| 21 | Romina Aflaki | 38.60 | 9 | AAA Min | AAAA: 37.49 (+1.11s | 2.9%) | Texas Ford Aquatics | 07/16/2025 | 2025 Texas Age Group Championships | |
| 22 | Ezra Salisbury | 38.63 | 10 | AAA Min | AAAA: 37.49 (+1.14s | 3.0%) | Eagle Swimming Association | 07/16/2025 | 2025 Texas Age Group Championships | |
| 23 | Ella Zu | 38.65 | 10 | AAA Min | AAAA: 37.49 (+1.16s | 3.0%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 24 | Jacqueline Wu | 38.75 | 9 | AAA Min | AAAA: 37.49 (+1.26s | 3.3%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 25 | Leilani Hill | 38.75 | 9 | AAA Min | AAAA: 37.49 (+1.26s | 3.3%) | Tuna Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 26 | Kensington Jones | 38.83 | 8 | AAA Min | AAAA: 37.49 (+1.34s | 3.5%) | Palo Alto Stanford Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 27 | Abrielle DuCloux | 38.90 | 10 | AAA Min | AAAA: 37.49 (+1.41s | 3.6%) | Montclair Swim Team | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 28 | Ember Howard | 38.97 | 10 | AAA Min | AAAA: 37.49 (+1.48s | 3.8%) | Fast Falcons | 12/05/2025 | 2025 Speedo Gator Holiday Classic | |
| 29 | Charlotte Mahan | 38.99 | 10 | AAA Min | AAAA: 37.49 (+1.50s | 3.8%) | Texas Elite Swim Team | 07/16/2025 | 2025 Texas Age Group Championships | |
| 30 | Emma Kurokoshi | 39.01 | 10 | AAA Min | AAAA: 37.49 (+1.52s | 3.9%) | Ccat Swimming | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 31 | Vivienne Burgar | 39.04 | 10 | AAA Min | AAAA: 37.49 (+1.55s | 4.0%) | Livermore AquaCowboys | 07/11/2025 | 2025 Age Group Championships | |
| 32 | Bailey Harrell | 39.10 | 8 | AAA Min | AAAA: 37.49 (+1.61s | 4.1%) | Southwest Stars Swim Club | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 33 | Elizabeth Rasmussen | 39.11 | 10 | AAA Min | AAAA: 37.49 (+1.62s | 4.1%) | Unattached | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | |
| 34 | Elizabeth Atrous | 39.14 | 9 | AAA Min | AAAA: 37.49 (+1.65s | 4.2%) | Unattached | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 35 | Riley Dorsey | 39.14 | 10 | AAA Min | AAAA: 37.49 (+1.65s | 4.2%) | Carrollwood Village Swim Team | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 36 | Anna Kaji | 39.16 | 9 | AAA Min | AAAA: 37.49 (+1.67s | 4.3%) | Alpha Aquatics | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 37 | Sumire Kafrawi | 39.21 | 10 | AAA Min | AAAA: 37.49 (+1.72s | 4.4%) | Aquazot Swim Club | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 38 | Iris Liu | 39.26 | 8 | AAA Min | AAAA: 37.49 (+1.77s | 4.5%) | Florida Atlantic Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 39 | Molly Brown | 39.30 | 10 | AAA Min | AAAA: 37.49 (+1.81s | 4.6%) | Life Time Houston Swim Team | 07/16/2025 | 2025 Texas Age Group Championships | |
| 40 | Maelys Herrera | 39.35 | 10 | AAA Min | AAAA: 37.49 (+1.86s | 4.7%) | Terrapins Swim Team | 05/10/2025 | PC SRVA LCM C B BB+ | |
| 41 | Yushi Chong | 39.37 | 10 | AAA Min | AAAA: 37.49 (+1.88s | 4.8%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 42 | Evalyn Lee | 39.38 | 9 | AAA Min | AAAA: 37.49 (+1.89s | 4.8%) | Cypress Fairbanks Swim Club | 07/16/2025 | 2025 Texas Age Group Championships | |
| 43 | Sadie Van Horn | 39.40 | 9 | AAA Min | AAAA: 37.49 (+1.91s | 4.8%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 44 | Elissa Xia | 39.40 | 10 | AAA Min | AAAA: 37.49 (+1.91s | 4.8%) | Pacific Dragons Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 45 | Scarlett Pekron | 39.48 | 10 | AAA Min | AAAA: 37.49 (+1.99s | 5.0%) | Unattached | 07/31/2025 | 2025 Central Zone 14 Under Championship Mee | |
| 46 | Alyssa Luwiharto | 39.56 | 9 | AA Min | AAA: 39.49 (+0.07s | 0.2%) | Aquazot Swim Club | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 47 | Renee Lu | 39.56 | 10 | AA Min | AAA: 39.49 (+0.07s | 0.2%) | Capital of Texas Aquatics | 07/10/2025 | 2025 ST AAAA STAGS LC Championship | |
| 48 | Makaela Buccicone | 39.60 | 9 | AA Min | AAA: 39.49 (+0.11s | 0.3%) | Lake Erie Silver Dolphins | 07/12/2025 | LSSC Avon Classic | |
| 49 | Eiley Carlson | 39.63 | 9 | AA Min | AAA: 39.49 (+0.14s | 0.4%) | Tuna Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 50 | Annabelle Nasr | 39.63 | 10 | AA Min | AAA: 39.49 (+0.14s | 0.4%) | Cypress Fairbanks Swim Club | 07/16/2025 | 2025 Texas Age Group 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.