USA Girls 10 & under - 50 Y 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 | Brooke DeRogatis | 41.39 | 10 | A Min | AA: 40.89 (+0.50s | 1.2%) | East Coast C-Cerpants | 11/14/2025 | ISCA Fall Classic Championship 2025 | |
| 302 | Hannah Linowska | 41.39 | 10 | A Min | AA: 40.89 (+0.50s | 1.2%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 303 | Zoey Vasquez | 41.40 | 10 | A Min | AA: 40.89 (+0.51s | 1.2%) | Sarasota Tsunami Swim Team | 09/19/2026 | 2026 GCST FALL OPEN | |
| 304 | Macklin McAlister | 41.41 | 10 | A Min | AA: 40.89 (+0.52s | 1.3%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 305 | Amanda Wu | 41.41 | 10 | A Min | AA: 40.89 (+0.52s | 1.3%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 306 | Clara Jech | 41.41 | 10 | A Min | AA: 40.89 (+0.52s | 1.3%) | Cape Cod Swim Club | 08/06/2026 | 2026 NE LA August SCY Invitational | |
| 307 | Hattie Craven | 41.42 | 10 | A Min | AA: 40.89 (+0.53s | 1.3%) | Star Aquatics | 02/26/2026 | 2026 NCS SC AG CHAMPS | |
| 308 | Eloise Chau | 41.42 | 10 | A Min | AA: 40.89 (+0.53s | 1.3%) | Sarasota Tsunami Swim Team | 09/19/2026 | 2026 GCST FALL OPEN | |
| 309 | Ally Eubanks | 41.42 | 9 | A Min | AA: 40.89 (+0.53s | 1.3%) | Unattached | 09/13/2026 | 2026 September Splash | |
| 310 | Adelaide Watson | 41.42 | 10 | A Min | AA: 40.89 (+0.53s | 1.3%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 311 | Chaewon Chung | 41.43 | 10 | A Min | AA: 40.89 (+0.54s | 1.3%) | Nitro Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 312 | Presley Peters | 41.45 | 10 | A Min | AA: 40.89 (+0.56s | 1.4%) | Area Tallahassee Aquatic Club | 10/17/2026 | ATAC October 2026 Fall Invite | |
| 313 | Natalia Zapata-Yanez | 41.46 | 9 | A Min | AA: 40.89 (+0.57s | 1.4%) | Oly Swimming | 02/06/2026 | 2026 Michigan Open | |
| 314 | Mya McSweeney | 41.46 | 10 | A Min | AA: 40.89 (+0.57s | 1.4%) | St Albans Sharks | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 315 | Justice Madamba | 41.46 | 10 | A Min | AA: 40.89 (+0.57s | 1.4%) | Hawaii Swimming Club | 09/05/2026 | OSL A+ Sprint Pentathlon Copied | |
| 316 | Harlow Redson | 41.47 | 10 | A Min | AA: 40.89 (+0.58s | 1.4%) | North Jeffco Swim Team | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 317 | Lillian Orifici | 41.50 | 10 | A Min | AA: 40.89 (+0.61s | 1.5%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 318 | Willa Li | 41.51 | 10 | A Min | AA: 40.89 (+0.62s | 1.5%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 319 | Riley Hom | 41.51 | 10 | A Min | AA: 40.89 (+0.62s | 1.5%) | Daly City Dolphins | 09/18/2026 | PSL Pacifica Season Launch CBA+ Meet | |
| 320 | Greer Wheelock | 41.52 | 10 | A Min | AA: 40.89 (+0.63s | 1.5%) | Lakeside Swim Team | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
| 321 | Julianna Prah | 41.53 | 10 | A Min | AA: 40.89 (+0.64s | 1.5%) | Lake Country Swim Team | 01/10/2025 | 2025 MN FOXJ Winter Classic | |
| 322 | Charlotte Ciesielski | 41.53 | 10 | A Min | AA: 40.89 (+0.64s | 1.5%) | Csp Tideriders | 10/09/2026 | Fall Festival Invitational | |
| 323 | Frederique Medina-Lashko | 41.54 | 8 | A Min | AA: 40.89 (+0.65s | 1.6%) | Long Island Aquatic Club | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 324 | Madeleine Gram | 41.54 | 10 | A Min | AA: 40.89 (+0.65s | 1.6%) | Pointe Aquatics | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 325 | Mila Monge | 41.55 | 10 | A Min | AA: 40.89 (+0.66s | 1.6%) | Livermore AquaCowboys | 09/19/2026 | PC LAC C B BB 26 Copied | |
| 326 | Mandy Du | 41.56 | 9 | A Min | AA: 40.89 (+0.67s | 1.6%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 327 | Lucy Goldberger | 41.57 | 10 | A Min | AA: 40.89 (+0.68s | 1.6%) | YMCA of Greenwich Marlims | 12/11/2025 | 35th Annual Winter Championships | |
| 328 | Eleanor Mitchell | 41.59 | 10 | A Min | AA: 40.89 (+0.70s | 1.7%) | Jcc Sea Serpents | 06/13/2026 | 2026 NE JCCS Marblehead Light | |
| 329 | Alyssa Yu | 41.59 | 9 | A Min | AA: 40.89 (+0.70s | 1.7%) | Waterloo Swimming | 09/26/2026 | 2026 ST ASC IMR IMX Challenge | |
| 330 | Stella Kang | 41.59 | 10 | A Min | AA: 40.89 (+0.70s | 1.7%) | Lone Star Aquatic Club | 07/18/2026 | 2026 SGA Gold Rush | |
| 331 | Julianne Ambrozic | 41.59 | 10 | A Min | AA: 40.89 (+0.70s | 1.7%) | Seattle Metropolitan Aquatic C | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 332 | Fiona Asgari | 41.59 | 10 | A Min | AA: 40.89 (+0.70s | 1.7%) | Nitro Swimming | 09/26/2026 | 2026 ST NTRO Autumn Classic | |
| 333 | Emma Roberts | 41.60 | 10 | A Min | AA: 40.89 (+0.71s | 1.7%) | Life Time Colorado Swim Club | 09/26/2026 | 2026 CO Gregg Gracheck Memorial | |
| 334 | Margaret Ursulenko | 41.61 | 10 | A Min | AA: 40.89 (+0.72s | 1.7%) | Wave Aquatics | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 335 | Ellamia Moulinos | 41.63 | 10 | A Min | AA: 40.89 (+0.74s | 1.8%) | Long Island Aquatic Club | 11/21/2025 | 2025 MR LIAC Thanksgiving Invite | |
| 336 | Avery Brooks | 41.64 | 10 | A Min | AA: 40.89 (+0.75s | 1.8%) | Form Swim Team | 09/26/2026 | 2026 CO Gregg Gracheck Memorial | |
| 337 | Elva Zhang | 41.65 | 10 | A Min | AA: 40.89 (+0.76s | 1.8%) | Rose Bowl Aquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 338 | Hana Stewart | 41.67 | 10 | A Min | AA: 40.89 (+0.78s | 1.9%) | Rio Del Oro Rapids | 11/08/2025 | Folsom Classic 2025 | |
| 339 | Ivy Acosta | 41.70 | 10 | A Min | AA: 40.89 (+0.81s | 1.9%) | Sharks | 03/27/2026 | 2026 Sunshine State Showcase | |
| 340 | Alexandra Chesley | 41.71 | 10 | A Min | AA: 40.89 (+0.82s | 2.0%) | Arcadia Riptides Swim Club | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 341 | Willow Adams | 41.71 | 10 | A Min | AA: 40.89 (+0.82s | 2.0%) | Unattached | 09/26/2026 | 2026 Ricky Hui Meet | |
| 342 | Sophie Geta | 41.72 | 10 | A Min | AA: 40.89 (+0.83s | 2.0%) | Farmingdale Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 343 | Vivian Barna | 41.73 | 10 | A Min | AA: 40.89 (+0.84s | 2.0%) | Warrior Aquatic Club | 08/22/2026 | 19th Annual Kauai Classic | |
| 344 | Adalyn Peng | 41.74 | 9 | A Min | AA: 40.89 (+0.85s | 2.0%) | Monterey Bay Swim Club | 07/24/2026 | CVAL 2026 | |
| 345 | Claire Ruckwardt-Clare | 41.75 | 10 | A Min | AA: 40.89 (+0.86s | 2.1%) | Unattached | 08/01/2026 | 2026 Mallard Nation Invitational | |
| 346 | Amelia Obid | 41.75 | 10 | A Min | AA: 40.89 (+0.86s | 2.1%) | Lakeshore Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 347 | Olivia Du | 41.75 | 10 | A Min | AA: 40.89 (+0.86s | 2.1%) | Bellevue Club Swim Team | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 348 | Piper Brown | 41.76 | 10 | A Min | AA: 40.89 (+0.87s | 2.1%) | Novi Sturgeons | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 349 | Sage Kundey-Reiten | 41.77 | 9 | A Min | AA: 40.89 (+0.88s | 2.1%) | Monocacy Aquatic Club | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 350 | Harper Sova | 41.77 | 10 | A Min | AA: 40.89 (+0.88s | 2.1%) | Charlotte County Swimming | 10/17/2026 | 2026 SPEEDO OCROBERFEST Swim Meet | |
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.