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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1301 | Marlow Pfeiffer | 44.19 | 10 | BB Min | A: 42.79 (+1.40s | 3.2%) | Greater Toledo Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1302 | Isabelle Musfeldt | 44.19 | 10 | BB Min | A: 42.79 (+1.40s | 3.2%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 1303 | Aaradhya Bharadwaj | 44.19 | 9 | BB Min | A: 42.79 (+1.40s | 3.2%) | Wave Aquatics | 11/22/2025 | 2025 PN Nov AGI, Division 2 (SMAC) | |
| 1304 | Harper Fried | 44.19 | 8 | BB Min | A: 42.79 (+1.40s | 3.2%) | Mason Makos Swim Team | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 1305 | Magdalene Roberts | 44.20 | 9 | BB Min | A: 42.79 (+1.41s | 3.2%) | Byron Center Aquatics | 02/07/2026 | 2026 Grand Rapids Open | |
| 1306 | Myrah Mondal | 44.20 | 10 | BB Min | A: 42.79 (+1.41s | 3.2%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 1307 | Rachel Peng | 44.20 | 10 | BB Min | A: 42.79 (+1.41s | 3.2%) | Auburn Aquatics | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1308 | Stella Parker | 44.21 | 9 | BB Min | A: 42.79 (+1.42s | 3.2%) | Barracuda Swim Club of Northea | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1309 | Payton Kuhn | 44.21 | 10 | BB Min | A: 42.79 (+1.42s | 3.2%) | Swim Florida | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 1310 | Kayla Cepeda | 44.22 | 10 | BB Min | A: 42.79 (+1.43s | 3.2%) | Southwest Aquatic Team | 10/25/2025 | 2025 Bd Swatoberfest Sprintacular All | |
| 1311 | Olivia Marks | 44.22 | 10 | BB Min | A: 42.79 (+1.43s | 3.2%) | YMCA of the Triangle Area Swim | 11/21/2025 | 2025 YOTA Arena Turkey Classic | |
| 1312 | Abigail Heletz | 44.23 | 9 | BB Min | A: 42.79 (+1.44s | 3.3%) | Cca Marlins of Virginia | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1313 | Grace Fisher | 44.23 | 10 | BB Min | A: 42.79 (+1.44s | 3.3%) | Northern Lights Swimming Assoc | 02/14/2026 | 2026 MN NLSA Marlins Swimming FEBRUARY Invite | |
| 1314 | Scarlett Watson | 44.23 | 10 | BB Min | A: 42.79 (+1.44s | 3.3%) | Oly Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 1315 | Penelope Pyryt | 44.24 | 10 | BB Min | A: 42.79 (+1.45s | 3.3%) | Stingrays Swim Team | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 1316 | Yichen Hou | 44.24 | 10 | BB Min | A: 42.79 (+1.45s | 3.3%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 1317 | Chloe Laub | 44.24 | 10 | BB Min | A: 42.79 (+1.45s | 3.3%) | Commonwealth Swimming | 03/13/2026 | 2026 NE INST NE Cup | |
| 1318 | Simone Rocheleau | 44.24 | 10 | BB Min | A: 42.79 (+1.45s | 3.3%) | Anglerfish Aquatics | 01/09/2026 | 2026 NE CRA New Year Distance And Specialty | |
| 1319 | Jordyn Ma | 44.24 | 9 | BB Min | A: 42.79 (+1.45s | 3.3%) | Swim Team of Placentia | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1320 | Charlotte Ciesielski | 44.24 | 9 | BB Min | A: 42.79 (+1.45s | 3.3%) | Csp Tideriders | 02/27/2026 | Ozark Division I Championship | |
| 1321 | Alethea Kiang | 44.25 | 10 | BB Min | A: 42.79 (+1.46s | 3.3%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1322 | Addison Hau | 44.25 | 10 | BB Min | A: 42.79 (+1.46s | 3.3%) | Stingray Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 1323 | Laila Taylor | 44.26 | 10 | BB Min | A: 42.79 (+1.47s | 3.3%) | SlipStream Aquatics | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 1324 | Dericka Hunt | 44.26 | 9 | BB Min | A: 42.79 (+1.47s | 3.3%) | Saint Petersburg Aquatics | 02/27/2026 | 2026 Spring Area 3 Championships | |
| 1325 | Rylin Taylor | 44.26 | 10 | BB Min | A: 42.79 (+1.47s | 3.3%) | SwimRise Aquatics | 01/16/2026 | 2026 Pentathlon | |
| 1326 | Natalie Bovee | 44.26 | 10 | BB Min | A: 42.79 (+1.47s | 3.3%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 NCAP Winter Qualifier | |
| 1327 | Kayla Jones | 44.26 | 10 | BB Min | A: 42.79 (+1.47s | 3.3%) | Detroit All Star Aquatics | 01/16/2026 | SLA Arctic Blast 2026 | |
| 1328 | Alina Elia | 44.27 | 10 | BB Min | A: 42.79 (+1.48s | 3.3%) | Boulder City Henderson Swim Te | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1329 | Shai Williams | 44.27 | 10 | BB Min | A: 42.79 (+1.48s | 3.3%) | Riptide Swim Team | 02/14/2026 | 2026 CO ACES Winter Open | |
| 1330 | Lily Lannin | 44.27 | 9 | BB Min | A: 42.79 (+1.48s | 3.3%) | Seattle Metropolitan Aquatic C | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 1331 | Alexa Pashby | 44.27 | 10 | BB Min | A: 42.79 (+1.48s | 3.3%) | Nation\\\\\\'s Capital Swim Club | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1332 | Sophia Lukkes | 44.27 | 10 | BB Min | A: 42.79 (+1.48s | 3.3%) | Pierre Swim Team | 12/05/2025 | 2025 Candy Cane Swim Meet | |
| 1333 | Brynn Bellamy | 44.27 | 10 | BB Min | A: 42.79 (+1.48s | 3.3%) | El Paso Aqua Posse | 02/27/2026 | 2026 BD SCY Border Champs | |
| 1334 | Sophia Lee-Park | 44.28 | 8 | BB Min | A: 42.79 (+1.49s | 3.4%) | Commonwealth Swimming | 03/13/2026 | 2026 NE INST NE Cup | |
| 1335 | Maddie Perkins | 44.28 | 10 | BB Min | A: 42.79 (+1.49s | 3.4%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1336 | Ripley Chen | 44.29 | 10 | BB Min | A: 42.79 (+1.50s | 3.4%) | Dart Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 1337 | Lillian Luo | 44.29 | 9 | BB Min | A: 42.79 (+1.50s | 3.4%) | West Coast Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 1338 | Lily Blumenauer | 44.29 | 10 | BB Min | A: 42.79 (+1.50s | 3.4%) | West Islip Swim Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 1339 | Nora Kosky | 44.29 | 10 | BB Min | A: 42.79 (+1.50s | 3.4%) | Aquawolves Swimming | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 1340 | Emma Dupuis | 44.29 | 10 | BB Min | A: 42.79 (+1.50s | 3.4%) | Saint Joseph Aquatics | 01/10/2026 | 2026 Zeeland Winter Classic | |
| 1341 | Rose Griffis | 44.29 | 10 | BB Min | A: 42.79 (+1.50s | 3.4%) | West Florida Lightning Aquatic | 09/19/2025 | Kiefer Speedo Fall Invitational | |
| 1342 | Jessica Wei | 44.29 | 9 | BB Min | A: 42.79 (+1.50s | 3.4%) | Cerritos Aquatic Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 1343 | Claire Kanallakan | 44.30 | 10 | BB Min | A: 42.79 (+1.51s | 3.4%) | Denver Triton Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | |
| 1344 | Charlotte Stair | 44.30 | 9 | BB Min | A: 42.79 (+1.51s | 3.4%) | Commonwealth Swimming | 03/13/2026 | 2026 NE INST NE Cup | |
| 1345 | Anne Zhang | 44.30 | 10 | BB Min | A: 42.79 (+1.51s | 3.4%) | Shawmut Aquatic Club | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1346 | Fern Bergland | 44.30 | 9 | BB Min | A: 42.79 (+1.51s | 3.4%) | Rogue Rapids | 12/12/2025 | 2025 TEAM Winter Invitational | |
| 1347 | Josephine Whitcomb | 44.30 | 9 | BB Min | A: 42.79 (+1.51s | 3.4%) | Edina Swim Club | 02/27/2026 | 2026 MN EDI Minnesota Regional Championship | |
| 1348 | Milena Bochynska | 44.30 | 10 | BB Min | A: 42.79 (+1.51s | 3.4%) | North Carolina Aquatic Club | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 1349 | Violet Gumina | 44.31 | 10 | BB Min | A: 42.79 (+1.52s | 3.4%) | Egra Waves | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 1350 | Evi Gilliland | 44.31 | 10 | BB Min | A: 42.79 (+1.52s | 3.4%) | Upper Arlington Swim Club | 03/12/2026 | 2026 OH SC Junior 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.