USA Girls 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5501 | Riley Morrison | 45.96 | 9 | B Min | BB: 43.29 (+2.67s | 5.8%) | Sailfish Aquatics | 01/04/2026 | 2026 Team Sailfish Dual Copied | |
| 5502 | Adele VanPopering | 45.96 | 10 | B Min | BB: 43.29 (+2.67s | 5.8%) | Grandville Aquatics | 12/30/2025 | 2025 Wildcat Winter Invite | |
| 5503 | Ariel Flores | 45.96 | 9 | B Min | BB: 43.29 (+2.67s | 5.8%) | Monocacy Aquatic Club | 05/02/2026 | 2026 MAC May Hem Mini Meet | |
| 5504 | Vera Russo | 45.96 | 8 | B Min | BB: 43.29 (+2.67s | 5.8%) | Seattle Metropolitan Aquatic C | 11/16/2025 | 2025 PN PAC Q Meet | |
| 5505 | Layla Moozhikkattu | 45.96 | 9 | B Min | BB: 43.29 (+2.67s | 5.8%) | Fox Swim Club | 05/02/2026 | 2026 MAC May Hem Mini Meet | |
| 5506 | Sariyah Kontaxis | 45.96 | 9 | B Min | BB: 43.29 (+2.67s | 5.8%) | Tollefson Swimming | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 5507 | Poppy Muckerman | 45.96 | 8 | B Min | BB: 43.29 (+2.67s | 5.8%) | Csp Tideriders | 03/07/2026 | 2026 GTWY 8 Under Champs | |
| 5508 | Evelyn Song | 45.97 | 9 | B Min | BB: 43.29 (+2.68s | 5.8%) | Crimson Aquatics | 03/06/2026 | 2026 NE CRIM March Trials Finals Meet | |
| 5509 | Madison Winheim | 45.97 | 8 | B Min | BB: 43.29 (+2.68s | 5.8%) | Nova of Virginia | 11/22/2025 | NOVA Cranberry Contender | |
| 5510 | Hazel La Vigne | 45.97 | 10 | B Min | BB: 43.29 (+2.68s | 5.8%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 5511 | Louise Shannon | 45.97 | 10 | B Min | BB: 43.29 (+2.68s | 5.8%) | West Valley Aquatics | 10/24/2025 | SSC Witchy Waters 2025 | |
| 5512 | Abigail Steward | 45.97 | 9 | B Min | BB: 43.29 (+2.68s | 5.8%) | Bolles School Sharks | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 5513 | LeeAnn Wei | 45.97 | 10 | B Min | BB: 43.29 (+2.68s | 5.8%) | The Fish | 12/12/2025 | 2025 MAKO HOLIDAY INVITATIONAL | |
| 5514 | Kamdyn Raymond | 45.97 | 10 | B Min | BB: 43.29 (+2.68s | 5.8%) | Pueblo County Swim Team | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 5515 | Diana Livernois | 45.97 | 8 | B Min | BB: 43.29 (+2.68s | 5.8%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 5516 | Lea Newby | 45.97 | 9 | B Min | BB: 43.29 (+2.68s | 5.8%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 5517 | Insiya Jiwaji | 45.97 | 10 | B Min | BB: 43.29 (+2.68s | 5.8%) | Bluefish Swim Club | 01/02/2026 | 2026 NE INST ABF Blizzard Classic | |
| 5518 | Maliyah Woods | 45.98 | 10 | B Min | BB: 43.29 (+2.69s | 5.9%) | Detroit All Star Aquatics | 01/31/2026 | 2026 Guppy Bowl | |
| 5519 | Lillian Zhang | 45.98 | 9 | B Min | BB: 43.29 (+2.69s | 5.9%) | Mason Manta Rays | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 5520 | Nora Deng | 45.98 | 9 | B Min | BB: 43.29 (+2.69s | 5.9%) | Bellevue Club Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 5521 | Adilynn Pieper | 45.99 | 8 | B Min | BB: 43.29 (+2.70s | 5.9%) | Club Husker | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 5522 | Sarah Ouzts | 45.99 | 10 | B Min | BB: 43.29 (+2.70s | 5.9%) | 757swim | 12/05/2025 | 2025 757swim Grand Illumination | |
| 5523 | Addison Magie | 45.99 | 10 | B Min | BB: 43.29 (+2.70s | 5.9%) | Cortez Water Dragons | 06/28/2025 | 2025 CO Montrose Marlins Summer Open | |
| 5524 | Jackie Gonzalez | 45.99 | 10 | B Min | BB: 43.29 (+2.70s | 5.9%) | Worthington Swim Club | 02/19/2026 | 2026 OH WOR SC Regional Championships | |
| 5525 | Adelynn Stone | 45.99 | 10 | B Min | BB: 43.29 (+2.70s | 5.9%) | Carolina Aquatics Swim Club | 12/05/2025 | ATOM Winter Invite 2025 | |
| 5526 | Mariana Maher | 46.00 | 10 | B Min | BB: 43.29 (+2.71s | 5.9%) | Portland Porpoise Swim Club | 05/16/2026 | 2026 NE Seal Summer Sprint Meet | |
| 5527 | Estella Owens | 46.00 | 10 | B Min | BB: 43.29 (+2.71s | 5.9%) | Nocatee Bluetide Swim Team | 07/26/2025 | 2025 NFSSL Champs | |
| 5528 | Ella Cho | 46.00 | 10 | B Min | BB: 43.29 (+2.71s | 5.9%) | Eagle Swim Team Inc. | 10/18/2025 | 2025 Fox Fall Invitational 1 Copied | |
| 5529 | Camila Lopez | 46.00 | 10 | B Min | BB: 43.29 (+2.71s | 5.9%) | Orca Aquatics | 01/16/2026 | 2026 NE SAC Bronze Championships | |
| 5530 | Juliette Harrison | 46.00 | 10 | B Min | BB: 43.29 (+2.71s | 5.9%) | Velocity Swimming | 04/25/2026 | 2026 IE VS James Elwyn Memorial Progressive | |
| 5531 | Ashland Johnson | 46.00 | 9 | B Min | BB: 43.29 (+2.71s | 5.9%) | Hillsboro Swim Team | 03/14/2026 | 2026 CAT Spring Invite | |
| 5532 | Emmanuela Awolola | 46.00 | 10 | B Min | BB: 43.29 (+2.71s | 5.9%) | Life Time Fitness New York Swi | 02/06/2026 | 2026 MR YMID February Classic Copied | |
| 5533 | Madeline Stevens | 46.01 | 10 | B Min | BB: 43.29 (+2.72s | 5.9%) | Cardinal and Gold Aquatics | 10/03/2025 | 2025 Aimee McCormick Turrall Memorial Meet | |
| 5534 | Brianna Shay | 46.01 | 5 | B Min | BB: 43.29 (+2.72s | 5.9%) | Hillsborough Aquatic Club | 02/14/2026 | 2026 CAT Valentine Splash | |
| 5535 | Emma Saxon | 46.01 | 9 | B Min | BB: 43.29 (+2.72s | 5.9%) | Ensworth Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 5536 | Hathaway Dary | 46.01 | 8 | B Min | BB: 43.29 (+2.72s | 5.9%) | Carolina Aquatic Team | 11/21/2025 | 2025 ECA Southeastern Classic | |
| 5537 | Noelle Berkland | 46.01 | 10 | B Min | BB: 43.29 (+2.72s | 5.9%) | Park City Swimming | 10/10/2025 | 2025 PC Sprints | |
| 5538 | Libby Andreason | 46.01 | 9 | B Min | BB: 43.29 (+2.72s | 5.9%) | Lehi Aquatics | 11/01/2025 | Dive Into The Unknown 2025 | |
| 5539 | Ava Hamrick | 46.01 | 8 | B Min | BB: 43.29 (+2.72s | 5.9%) | Logan County High School | 12/13/2025 | 2025 WCST Holiday Invitational | |
| 5540 | Yuhan Xie | 46.01 | 10 | B Min | BB: 43.29 (+2.72s | 5.9%) | Three Village Swim Club | 01/09/2026 | 2026 MR TVSC TJ Kelly Memorial Joust | |
| 5541 | Clara Bertucci | 46.01 | 10 | B Min | BB: 43.29 (+2.72s | 5.9%) | Hurricanes Swim Team | 02/21/2026 | 2026 MN FOXJ MN Bronze Championship | |
| 5542 | Alyse Derrico | 46.01 | 9 | B Min | BB: 43.29 (+2.72s | 5.9%) | Indian River Aquatics | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | |
| 5543 | Grace Boer | 46.01 | 10 | B Min | BB: 43.29 (+2.72s | 5.9%) | Grand Rapids Aquatics | 11/15/2025 | 2025 GR Gales Of November Open Invitational | |
| 5544 | Jaylin Ortega | 46.01 | 9 | B Min | BB: 43.29 (+2.72s | 5.9%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 5545 | Ivy Coleman | 46.02 | 8 | B Min | BB: 43.29 (+2.73s | 5.9%) | Clovis Swim Club | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 5546 | Vesper Simonetti | 46.02 | 8 | B Min | BB: 43.29 (+2.73s | 5.9%) | Greater Columbus Swim Tm Of Oh | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 5547 | Grace Gannon | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | El Paso Aqua Posse | 10/25/2025 | 2025 Bd Swatoberfest Sprintacular All | |
| 5548 | Hannah Hosseini | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | Hydro-sonic Tiburones | 12/21/2025 | 2025 PAC 10 U Reindeer Games | |
| 5549 | Ella Smith | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | Loyola Blakefield Aquatics | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 5550 | Emily Larcom | 46.03 | 9 | B Min | BB: 43.29 (+2.74s | 6.0%) | Monocacy Aquatic Club | 05/02/2026 | 2026 MAC May Hem Mini 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.