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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Celina Mu | 40.02 | 10 | AA Min | AAA: 39.49 (+0.53s | 1.3%) | Seal Beach Swim Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 52 | Ashlyn Schon | 40.05 | 10 | AA Min | AAA: 39.49 (+0.56s | 1.4%) | Golden West Swim Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 53 | Isabella Augustensen | 40.11 | 10 | AA Min | AAA: 39.49 (+0.62s | 1.5%) | Unattached | 08/07/2024 | 2024 EZ LC Age Group Championship | |
| 54 | Anna Han | 40.11 | 10 | AA Min | AAA: 39.49 (+0.62s | 1.5%) | Seattle Metropolitan Aquatic C | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 55 | Mila Metzger | 40.12 | 10 | AA Min | AAA: 39.49 (+0.63s | 1.6%) | The Woodlands Swim Team | 07/16/2025 | 2025 Texas Age Group Championships | |
| 56 | Jax Repak | 40.13 | 10 | AA Min | AAA: 39.49 (+0.64s | 1.6%) | The Berkeley Barracudas | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 57 | Alexandra Steensland | 40.29 | 10 | AA Min | AAA: 39.49 (+0.80s | 2.0%) | Riptide Swim Team | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 58 | Elizabeth Atrous | 40.32 | 10 | AA Min | AAA: 39.49 (+0.83s | 2.1%) | Patriot Aquatics | 05/16/2025 | 2025 PA Long Course Invite | |
| 59 | Teagan van Dillen | 40.36 | 10 | AA Min | AAA: 39.49 (+0.87s | 2.2%) | Rancho San Dieguito | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 60 | Vivienne Scalise | 40.41 | 10 | AA Min | AAA: 39.49 (+0.92s | 2.3%) | Team Pittsburgh Elite Aquatics | 06/12/2025 | Holtrey Summer Classic | |
| 61 | Clover Nelson | 40.43 | 10 | AA Min | AAA: 39.49 (+0.94s | 2.3%) | Multnomah Athletic Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 62 | Scarlett Chen | 40.54 | 10 | AA Min | AAA: 39.49 (+1.05s | 2.6%) | San Ramon Valley Aquatics | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 63 | Kimberly Lee | 40.54 | 10 | AA Min | AAA: 39.49 (+1.05s | 2.6%) | Aquajets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 64 | Jacqueline Kuo | 40.62 | 9 | AA Min | AAA: 39.49 (+1.13s | 2.8%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 65 | Rylee Scanlon | 40.68 | 10 | AA Min | AAA: 39.49 (+1.19s | 2.9%) | Boulder City Henderson Swim Te | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
| 66 | Vera Preda | 40.76 | 10 | AA Min | AAA: 39.49 (+1.27s | 3.1%) | Swim Streamline at Northampton | 07/16/2025 | 2025 Texas Age Group Championships | |
| 67 | Kaia Fullone | 40.80 | 9 | AA Min | AAA: 39.49 (+1.31s | 3.2%) | Saint Petersburg Aquatics | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | |
| 68 | Miya Liang | 40.84 | 10 | AA Min | AAA: 39.49 (+1.35s | 3.3%) | Otter Swim Club | 07/11/2025 | 2025 Age Group Championships | |
| 69 | Neola Chen | 40.86 | 10 | AA Min | AAA: 39.49 (+1.37s | 3.4%) | Nitro Swimming | 07/10/2025 | 2025 ST AAAA STAGS LC Championship | |
| 70 | Lauren Ruml | 40.86 | 10 | AA Min | AAA: 39.49 (+1.37s | 3.4%) | Dakota Riptide | 06/21/2024 | 2024 Splash Central Invitational | |
| 71 | Emma Armstrong | 40.90 | 10 | AA Min | AAA: 39.49 (+1.41s | 3.4%) | Unattached | 08/06/2025 | 2025 Western Zone Age Group Championships | |
| 72 | Madeline Yurchak | 41.02 | 10 | AA Min | AAA: 39.49 (+1.53s | 3.7%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 73 | Emma Salum | 41.03 | 10 | AA Min | AAA: 39.49 (+1.54s | 3.8%) | Calabasas Waves | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
| 74 | Eva Williams | 41.09 | 10 | AA Min | AAA: 39.49 (+1.60s | 3.9%) | Los Angeles Swim Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 75 | Adelaide Watson | 41.09 | 9 | AA Min | AAA: 39.49 (+1.60s | 3.9%) | Palo Alto Stanford Aquatics | 07/11/2025 | 2025 Age Group Championships | |
| 76 | Lily Leo | 41.11 | 10 | AA Min | AAA: 39.49 (+1.62s | 3.9%) | Aquajets Swim Team | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 77 | Arden Lee | 41.12 | 10 | AA Min | AAA: 39.49 (+1.63s | 4.0%) | Rosemead Rapids | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 78 | Jesslyn Yong | 41.13 | 10 | AA Min | AAA: 39.49 (+1.64s | 4.0%) | Palo Alto Stanford Aquatics | 07/11/2025 | 2025 Age Group Championships | |
| 79 | Miller Lippe | 41.13 | 9 | AA Min | AAA: 39.49 (+1.64s | 4.0%) | Nitro Swimming | 07/10/2025 | 2025 ST AAAA STAGS LC Championship | |
| 80 | Victoria Su | 41.15 | 10 | AA Min | AAA: 39.49 (+1.66s | 4.0%) | Bellevue Club Swim Team | 05/02/2025 | 2025 PN BC May Flowers | |
| 81 | Fernand Villarreal Martinez | 41.20 | 10 | AA Min | AAA: 39.49 (+1.71s | 4.2%) | Titanes de Tym | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 82 | Maya Gruenbaum | 41.21 | 10 | AA Min | AAA: 39.49 (+1.72s | 4.2%) | Bolles School Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 83 | Abby He | 41.25 | 10 | AA Min | AAA: 39.49 (+1.76s | 4.3%) | Trident Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 84 | Chelsea Munoz | 41.29 | 10 | AA Min | AAA: 39.49 (+1.80s | 4.4%) | Florida Atlantic Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 85 | Elliana Aiken | 41.44 | 10 | AA Min | AAA: 39.49 (+1.95s | 4.7%) | Neptune Swimming | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 86 | Eleanor McMichael | 41.50 | 10 | AA Min | AAA: 39.49 (+2.01s | 4.8%) | Olympic Cascade Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 87 | Simone Rogers | 41.52 | 9 | AA Min | AAA: 39.49 (+2.03s | 4.9%) | Highlands Ranch Aquatics | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 88 | Carson Donlin | 41.60 | 10 | A Min | AA: 41.59 (+0.01s | 0.0%) | Denver Swim Academy | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 89 | Audrey Friend | 41.61 | 10 | A Min | AA: 41.59 (+0.02s | 0.0%) | Blast Sharks | 07/24/2025 | 2025 CA SCS Summer A G Champs CANY | |
| 90 | Aria Ergan | 41.63 | 9 | A Min | AA: 41.59 (+0.04s | 0.1%) | Aquazot Swim Club | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 91 | Evelyn Xu | 41.69 | 10 | A Min | AA: 41.59 (+0.10s | 0.2%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 92 | Ava Swartzman | 41.71 | 10 | A Min | AA: 41.59 (+0.12s | 0.3%) | Sarasota Sharks | 05/16/2025 | 2025 SYS Memorial Meet | |
| 93 | Halia Scurti | 41.73 | 10 | A Min | AA: 41.59 (+0.14s | 0.3%) | Thunder Coast Aquatics | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 94 | Margaret Wang | 41.75 | 8 | A Min | AA: 41.59 (+0.16s | 0.4%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 95 | Dani Poole | 41.76 | 9 | A Min | AA: 41.59 (+0.17s | 0.4%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 96 | Jojo Qiang-Zhu | 41.79 | 10 | A Min | AA: 41.59 (+0.20s | 0.5%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 97 | Emilia Smith | 41.81 | 10 | A Min | AA: 41.59 (+0.22s | 0.5%) | Falfins Swimming | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 98 | Gianna Forni | 41.81 | 10 | A Min | AA: 41.59 (+0.22s | 0.5%) | Legacy Aquatics | 11/01/2025 | Oregon City Fall Open 2025 | |
| 99 | Annabel Enmon | 41.83 | 10 | A Min | AA: 41.59 (+0.24s | 0.6%) | Unattached | 04/18/2025 | 2025 SPA Spring First Long Course Meet | |
| 100 | Willow Adams | 41.90 | 9 | A Min | AA: 41.59 (+0.31s | 0.7%) | Aquazot Swim Club | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
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.