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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1451 | Harper Degner | 45.04 | 8 | BB Min | A: 42.79 (+2.25s | 5.0%) | Denver Swim Academy | 02/21/2026 | 2026 CO DSA Last Chance | |
| 1452 | Parissa Mair | 45.04 | 9 | BB Min | A: 42.79 (+2.25s | 5.0%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 1453 | Ella Moore | 45.04 | 10 | BB Min | A: 42.79 (+2.25s | 5.0%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1454 | Beatriz Motta | 45.05 | 10 | BB Min | A: 42.79 (+2.26s | 5.0%) | YMCA of Central Florida | 01/17/2026 | 2026 GOAT TYR Team Challenge And SYOA | |
| 1455 | Arlo Jerkins | 45.05 | 9 | BB Min | A: 42.79 (+2.26s | 5.0%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 1456 | Adelie McLeod | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Issaquah Swim Team | 02/07/2026 | 2026 PN IST Feb Winter Invitational Approved | |
| 1457 | Colbie Chang | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 1458 | Abigail Hinz | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 1459 | Arrietty Shieh | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 1460 | Michelle Mitnick | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Horizon Swimming | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1461 | Anna Van De Wege | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Benton Harbor-St. Joseph YMCA | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 1462 | Makena Kam | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Beach Cities Alpha | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 1463 | Mali Pavlis | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Tennessee Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 1464 | Olivia Lin | 45.07 | 10 | BB Min | A: 42.79 (+2.28s | 5.1%) | Trident Aquatic Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1465 | Claire Doherty | 45.07 | 10 | BB Min | A: 42.79 (+2.28s | 5.1%) | Mason Makos Swim Team | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 1466 | Addie Bischoff | 45.07 | 10 | BB Min | A: 42.79 (+2.28s | 5.1%) | Fins Swim Team | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 1467 | Goldie Hyman | 45.07 | 9 | BB Min | A: 42.79 (+2.28s | 5.1%) | YMCA of the Triangle Area Swim | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1468 | Jasmine Danger | 45.08 | 10 | BB Min | A: 42.79 (+2.29s | 5.1%) | Greenwood Swimming | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1469 | Jacqueline Chung | 45.09 | 9 | BB Min | A: 42.79 (+2.30s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1470 | Amber Allott | 45.09 | 10 | BB Min | A: 42.79 (+2.30s | 5.1%) | Mecklenburg Swim Association | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 1471 | Lilia Yamamoto | 45.09 | 10 | BB Min | A: 42.79 (+2.30s | 5.1%) | Splash Aquatics | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 1472 | Nora Gaughan | 45.10 | 9 | BB Min | A: 42.79 (+2.31s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 1473 | Maya Koren | 45.10 | 10 | BB Min | A: 42.79 (+2.31s | 5.1%) | Manoa Aquatics | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 1474 | Triniti Coats | 45.10 | 10 | BB Min | A: 42.79 (+2.31s | 5.1%) | Tiger Shark of Texas | 11/07/2025 | 2025 ST SCY Surge Shark Sizzler | |
| 1475 | Giovannina Bonsignore | 45.10 | 10 | BB Min | A: 42.79 (+2.31s | 5.1%) | Three Village Swim Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 1476 | Austin Lee | 45.11 | 9 | BB Min | A: 42.79 (+2.32s | 5.1%) | Texas Elite Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1477 | Ella Herrington | 45.11 | 10 | BB Min | A: 42.79 (+2.32s | 5.1%) | H2okie Aquatics | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1478 | Amber Leu | 45.11 | 10 | BB Min | A: 42.79 (+2.32s | 5.1%) | Sacramento Aquatics Club | 11/08/2025 | Folsom Classic 2025 | |
| 1479 | Natalie Chong | 45.12 | 10 | BB Min | A: 42.79 (+2.33s | 5.2%) | Swim Streamline at Northampton | 01/03/2025 | 2025 SSAN Winter Invite | |
| 1480 | Emmalyn Childers | 45.12 | 10 | BB Min | A: 42.79 (+2.33s | 5.2%) | West Virginia Wild | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 1481 | Grey Banhos | 45.12 | 8 | BB Min | A: 42.79 (+2.33s | 5.2%) | Scioto Country Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1482 | Therese Lasnoski | 45.12 | 10 | BB Min | A: 42.79 (+2.33s | 5.2%) | Lake Country Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1483 | Mila Metzger | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | The Woodlands Swim Team | 12/06/2024 | 2024 Gulf Age Group Championships | |
| 1484 | Hayden Gallagher | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Sunnyvale Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 1485 | Everly Yamashita | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 1486 | Trinity Holt | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Quest Swimming | 01/24/2026 | 2026 WAC Mike Willard Polar Plunge | |
| 1487 | Hayden Watkins | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Coast Gaurd Blue Dolphins | 11/07/2025 | 2025 CGBD Carl Warner Classic | |
| 1488 | Hayden Watkins | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Coast Gaurd Blue Dolphins | 11/07/2025 | 2025 CGBD Carl Warner Classic | |
| 1489 | Cecilia Ostlund | 45.14 | 10 | BB Min | A: 42.79 (+2.35s | 5.2%) | Sarpy County Swim Club | 01/31/2026 | 2026 MW SCSC President S Day Meet | |
| 1490 | Vasilisa Rusetskaya | 45.14 | 9 | BB Min | A: 42.79 (+2.35s | 5.2%) | Freedom Aquatics | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 1491 | Edith Cass | 45.14 | 10 | BB Min | A: 42.79 (+2.35s | 5.2%) | Lake Oswego Swim Club | 05/09/2026 | 2026 Spring Sprinter Invitational | |
| 1492 | Emily Gramer | 45.15 | 10 | BB Min | A: 42.79 (+2.36s | 5.2%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1493 | Nora Dias | 45.15 | 9 | BB Min | A: 42.79 (+2.36s | 5.2%) | Rima United | 11/14/2025 | 2025 NE KING CAC Fall Invite Copied | |
| 1494 | Tess Jackman | 45.15 | 10 | BB Min | A: 42.79 (+2.36s | 5.2%) | King Aquatic Club | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 1495 | Felicity Van der Staay | 45.15 | 10 | BB Min | A: 42.79 (+2.36s | 5.2%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 1496 | Hattie Brandl | 45.15 | 10 | BB Min | A: 42.79 (+2.36s | 5.2%) | La Crosse Area Family YMCA Swi | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 1497 | Harper Tillman | 45.16 | 9 | BB Min | A: 42.79 (+2.37s | 5.2%) | Long Island Aquatic Club | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
| 1498 | Lillian Talley | 45.16 | 10 | BB Min | A: 42.79 (+2.37s | 5.2%) | Quest Swimming | 09/19/2025 | Quest Swimming Kickoff Intrasquad | |
| 1499 | Annalise Partridge | 45.16 | 10 | BB Min | A: 42.79 (+2.37s | 5.2%) | Oly Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 1500 | Sylvia Li | 45.17 | 9 | BB Min | A: 42.79 (+2.38s | 5.3%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
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.