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 | |
|---|---|---|---|---|---|---|---|---|---|
| 301 | Dianne Park | 50.20 | 10 | BB Min | A: 48.79 (+1.41s | 2.8%) | Eastside Aquatic Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 302 | Ayelet Tindall | 50.22 | 10 | BB Min | A: 48.79 (+1.43s | 2.8%) | Blue Dolfins | 05/15/2026 | 2026 PA Long Course Invite | |
| 303 | Elena Ferraz de Toledo | 50.22 | 9 | BB Min | A: 48.79 (+1.43s | 2.8%) | South East Metro Sharks | 05/03/2026 | 2026 MN SEMS LC Invite | |
| 304 | Sofia Gordon | 50.24 | 9 | BB Min | A: 48.79 (+1.45s | 2.9%) | Swim Coral Springs | 04/18/2026 | SCS Under The Sun Invitational | |
| 305 | Vanessa Wang | 50.25 | 9 | BB Min | A: 48.79 (+1.46s | 2.9%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 306 | Eleanor Farniok | 50.27 | 10 | BB Min | A: 48.79 (+1.48s | 2.9%) | Velocity Aquatics | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 307 | Ella Lerro | 50.29 | 8 | BB Min | A: 48.79 (+1.50s | 3.0%) | Aspire Aquatics of Colorado | 07/25/2025 | 2025 CO CSI Age Group Championships | |
| 308 | Natalia Grogan | 50.31 | 10 | BB Min | A: 48.79 (+1.52s | 3.0%) | Bolles School Sharks | 07/10/2025 | 2025 FL Summer Age Group Championships | |
| 309 | Alivia Lee | 50.31 | 10 | BB Min | A: 48.79 (+1.52s | 3.0%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 310 | Ruby Li | 50.33 | 10 | BB Min | A: 48.79 (+1.54s | 3.1%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 311 | Amelia Dawson | 50.34 | 10 | BB Min | A: 48.79 (+1.55s | 3.1%) | Tri-city Channel Cats | 05/01/2026 | 2026 THSC Spring Invite | |
| 312 | Asia-Lyann Cooke | 50.35 | 10 | BB Min | A: 48.79 (+1.56s | 3.1%) | Swimaz Aquatic Swim Club | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 313 | Emelia Johnson | 50.35 | 10 | BB Min | A: 48.79 (+1.56s | 3.1%) | South East Metro Sharks | 05/03/2026 | 2026 MN SEMS LC Invite | |
| 314 | Charley Lynch | 50.37 | 10 | BB Min | A: 48.79 (+1.58s | 3.1%) | Sarasota Sharks | 06/19/2025 | 2025 Shark Open | |
| 315 | Yumeha Mochino | 50.38 | 10 | BB Min | A: 48.79 (+1.59s | 3.2%) | Splash Aquatics | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 316 | Isla Wingert | 50.39 | 10 | BB Min | A: 48.79 (+1.60s | 3.2%) | Sporting Jax Aquatic Club | 04/10/2026 | 2026 April Classic | |
| 317 | Madelyn Gildea | 50.40 | 10 | BB Min | A: 48.79 (+1.61s | 3.2%) | Lakeshore Swim Club | 06/12/2025 | Holtrey Summer Classic | |
| 318 | Carolyn Liu | 50.41 | 10 | BB Min | A: 48.79 (+1.62s | 3.2%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 319 | Clara Bertucci | 50.42 | 10 | BB Min | A: 48.79 (+1.63s | 3.2%) | Hurricanes Swim Team | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 320 | Mannat Garg | 50.42 | 10 | BB Min | A: 48.79 (+1.63s | 3.2%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 321 | Sara Lopez | 50.43 | 10 | BB Min | A: 48.79 (+1.64s | 3.3%) | Sarasota Sharks | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 322 | Hattie Jones | 50.44 | 10 | BB Min | A: 48.79 (+1.65s | 3.3%) | Lakeridge Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 323 | Mila DeBruyne | 50.45 | 10 | BB Min | A: 48.79 (+1.66s | 3.3%) | South East Metro Sharks | 05/03/2026 | 2026 MN SEMS LC Invite | |
| 324 | Lea Payne | 50.45 | 10 | BB Min | A: 48.79 (+1.66s | 3.3%) | Golden West Swim Club | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 325 | Ilaryia Ramaniuk | 50.47 | 10 | BB Min | A: 48.79 (+1.68s | 3.3%) | Sarasota Sharks | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 326 | Abigail Franks | 50.47 | 9 | BB Min | A: 48.79 (+1.68s | 3.3%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 327 | Violet Guy | 50.48 | 10 | BB Min | A: 48.79 (+1.69s | 3.3%) | Area Tallahassee Aquatic Club | 06/06/2025 | 2025 MAKOS Summer Splash | |
| 328 | Dillon Zhang | 50.49 | 10 | BB Min | A: 48.79 (+1.70s | 3.4%) | Flatiron Athletic Club | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 329 | Rylah Clark | 50.50 | 10 | BB Min | A: 48.79 (+1.71s | 3.4%) | Lahaina Swim Club | 04/19/2026 | 2026 MAGSA LCM A1 Meet | |
| 330 | Adalyn Peng | 50.50 | 9 | BB Min | A: 48.79 (+1.71s | 3.4%) | Monterey Bay Swim Club | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 331 | Yezi Li | 50.51 | 10 | BB Min | A: 48.79 (+1.72s | 3.4%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 332 | Otoha Kojima | 50.53 | 9 | BB Min | A: 48.79 (+1.74s | 3.4%) | Unattached | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 333 | Alinah Tracy | 50.55 | 10 | BB Min | A: 48.79 (+1.76s | 3.5%) | Kona Aquatics Club | 05/16/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 334 | Victoria Ikeda | 50.56 | 10 | BB Min | A: 48.79 (+1.77s | 3.5%) | Hawaii Swimming Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 335 | Adeline Bower | 50.58 | 10 | BB Min | A: 48.79 (+1.79s | 3.5%) | Legacy Aquatics | 05/01/2026 | 2026 THSC Spring Invite | |
| 336 | Felix Tobias | 50.58 | 10 | BB Min | A: 48.79 (+1.79s | 3.5%) | Heartland Swim Assoc | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 337 | Julianne Ambrozic | 50.58 | 10 | BB Min | A: 48.79 (+1.79s | 3.5%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 338 | Lily Lannin | 50.59 | 9 | BB Min | A: 48.79 (+1.80s | 3.6%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 339 | Phoebe Chia | 50.60 | 10 | BB Min | A: 48.79 (+1.81s | 3.6%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 340 | Anya Reckhow | 50.60 | 8 | BB Min | A: 48.79 (+1.81s | 3.6%) | Cascade Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 341 | Gracyn Connelly | 50.61 | 10 | BB Min | A: 48.79 (+1.82s | 3.6%) | SwimRise Aquatics | 04/10/2026 | 2026 April Classic | |
| 342 | Lucia Tang | 50.61 | 9 | BB Min | A: 48.79 (+1.82s | 3.6%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 343 | Wilhelmina Newell | 50.61 | 10 | BB Min | A: 48.79 (+1.82s | 3.6%) | Madison Area YMCA Mariners | 08/06/2025 | 2025 Summer Elite Showcase | |
| 344 | McKenzie Phillips | 50.62 | 9 | BB Min | A: 48.79 (+1.83s | 3.6%) | Denver Swim Academy | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 345 | Kyra Blunck | 50.63 | 10 | BB Min | A: 48.79 (+1.84s | 3.6%) | Austin Swim Club | 04/18/2026 | 2026 ST ASC LC Kickoff | |
| 346 | Chloe Ricketts | 50.63 | 10 | BB Min | A: 48.79 (+1.84s | 3.6%) | Edina Swim Club | 05/03/2025 | 2025 MN RSC Pentathlon | |
| 347 | Thalia Bonne | 50.64 | 10 | BB Min | A: 48.79 (+1.85s | 3.7%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 348 | Charlotte Chung | 50.66 | 10 | BB Min | A: 48.79 (+1.87s | 3.7%) | Sarasota Sharks | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 349 | Chloe Lin | 50.67 | 10 | BB Min | A: 48.79 (+1.88s | 3.7%) | Los Altos Mountain View Aquati | 05/16/2026 | 2026 DACA LC CBA+ | |
| 350 | Shayla Purville | 50.67 | 10 | BB Min | A: 48.79 (+1.88s | 3.7%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
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.