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 | |
|---|---|---|---|---|---|---|---|---|---|
| 6251 | Jaylin Ortega | 46.01 | 8 | B Min | BB: 43.29 (+2.72s | 5.9%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 6252 | 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 | |
| 6253 | 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 | |
| 6254 | 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 | |
| 6255 | Mackenzie Flores | 46.02 | 10 | B Min | BB: 43.29 (+2.73s | 5.9%) | Wahoo\\\\\\'s of Wellington | 12/05/2025 | 2025 FG Holiday Champ | |
| 6256 | Andie Evans | 46.02 | 10 | B Min | BB: 43.29 (+2.73s | 5.9%) | Gsa | 02/13/2026 | 2026 TYDE Be My Valentine Meet | |
| 6257 | Penelope Misa | 46.02 | 10 | B Min | BB: 43.29 (+2.73s | 5.9%) | Commonwealth Swimming | 12/13/2024 | 2024 ME ABF Michelle Arpin | |
| 6258 | 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 | |
| 6259 | Hailey Bolinder | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | Saint Petersburg Aquatics | 01/23/2026 | BLOOMIN FAST SWIM MEET | |
| 6260 | Angela Zhang | 46.03 | 9 | B Min | BB: 43.29 (+2.74s | 6.0%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 6261 | 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 | |
| 6262 | 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 | |
| 6263 | Hattie Martin | 46.03 | 9 | B Min | BB: 43.29 (+2.74s | 6.0%) | Seattle Metropolitan Aquatic C | 11/09/2025 | 2025 PN SMAC November Mini Meet | |
| 6264 | Barri Lucas | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | The Woodlands Swim Team | 01/17/2025 | 2025 TWST Speedo Winter Classic Invitational | |
| 6265 | Aadhya Sirimamilla | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 6266 | Alaina Leung | 46.03 | 9 | B Min | BB: 43.29 (+2.74s | 6.0%) | Swim Kauai Aquatics | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 6267 | Madeline Miller | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | Humboldt Swim Club | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 6268 | Maren Shah | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | Form Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | |
| 6269 | Aliyah Pleisch | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 6270 | Aya Refaei | 46.04 | 10 | B Min | BB: 43.29 (+2.75s | 6.0%) | The Capitol Sea Devils | 11/21/2025 | 2025 Swim Rock | |
| 6271 | Bliss Biedebach | 46.04 | 9 | B Min | BB: 43.29 (+2.75s | 6.0%) | Greater Pensacola Aquatic Club | 02/13/2026 | 2026 SES Region 4 Championships | |
| 6272 | Juliette Leong | 46.04 | 9 | B Min | BB: 43.29 (+2.75s | 6.0%) | Sparks Piranhas Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 6273 | Ava Stearn | 46.04 | 10 | B Min | BB: 43.29 (+2.75s | 6.0%) | Aquatic Club of Elkhorn | 01/15/2026 | BLCK SCSC ACE Dual | |
| 6274 | Lillian McDaris | 46.04 | 10 | B Min | BB: 43.29 (+2.75s | 6.0%) | Roadrunner Aquatics | 01/11/2025 | 2025 Clovis Swim Club Winter Open | |
| 6275 | Caroline Vogel | 46.04 | 9 | B Min | BB: 43.29 (+2.75s | 6.0%) | Nashville Aquatic Club | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 6276 | Chima Ezekoye | 46.05 | 10 | B Min | BB: 43.29 (+2.76s | 6.0%) | Aquajets Swim Team | 05/17/2025 | 2025 MN AQJT May Flowers | |
| 6277 | Marina Hicks | 46.05 | 9 | B Min | BB: 43.29 (+2.76s | 6.0%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 6278 | Elise Tremolet de Villers | 46.05 | 9 | B Min | BB: 43.29 (+2.76s | 6.0%) | North Jeffco Swim Team | 03/13/2026 | Mile High Championship Invitational | |
| 6279 | Zoe Guevara | 46.05 | 10 | B Min | BB: 43.29 (+2.76s | 6.0%) | Mountainside | 02/14/2025 | 2025 OR HS 6a 2 | |
| 6280 | Annie Wang | 46.06 | 9 | B Min | BB: 43.29 (+2.77s | 6.0%) | YMCA of Middletown Barracudas | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 6281 | Hadlie Heale | 46.06 | 8 | B Min | BB: 43.29 (+2.77s | 6.0%) | Atlantic Coast Athletic Club | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 6282 | Reeya Allam | 46.06 | 8 | B Min | BB: 43.29 (+2.77s | 6.0%) | Greater Omaha Aquatics Leopard | 01/31/2026 | 2026 MW SCSC President S Day Meet | |
| 6283 | Charlotte Wood | 46.06 | 10 | B Min | BB: 43.29 (+2.77s | 6.0%) | Red Fox Aquatic Club | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 6284 | Adalind Maddox | 46.06 | 10 | B Min | BB: 43.29 (+2.77s | 6.0%) | The Woodlands Swim Team | 01/17/2025 | 2025 TWST Speedo Winter Classic Invitational | |
| 6285 | Riley Wessels | 46.07 | 10 | B Min | BB: 43.29 (+2.78s | 6.0%) | SwimTLC-Parker Phenomena Swim | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 6286 | Alisa Beltre | 46.07 | 9 | B Min | BB: 43.29 (+2.78s | 6.0%) | West Islip Swim Club | 12/12/2025 | 2025 MR RFAC Elizabeth Miller Holiday Invite | |
| 6287 | Loula Clark | 46.07 | 10 | B Min | BB: 43.29 (+2.78s | 6.0%) | Hood River Valley Swim Team | 02/06/2026 | Legacy Aquatics Spring Qualifier | |
| 6288 | Sophia Bull | 46.07 | 9 | B Min | BB: 43.29 (+2.78s | 6.0%) | Unattached | 02/14/2026 | NMST BMHG February BC Invite 26 | |
| 6289 | Charlotte Butarbutar | 46.07 | 9 | B Min | BB: 43.29 (+2.78s | 6.0%) | 757swim | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 6290 | Willa Badlam | 46.07 | 10 | B Min | BB: 43.29 (+2.78s | 6.0%) | Nation\\\\\\'s Capital Swim Club | 10/10/2025 | 2025 PV October Open Fairland | |
| 6291 | Colbie Mosher | 46.07 | 9 | B Min | BB: 43.29 (+2.78s | 6.0%) | North Jersey Barracudas | 12/06/2025 | 2025 MR NDAC Kevin Storrs Winter Festival | |
| 6292 | Coraline Lee | 46.07 | 9 | B Min | BB: 43.29 (+2.78s | 6.0%) | Bellingham Bay Swim Team | 02/07/2026 | 2026 PN TAC Island Express | |
| 6293 | Audrey Rakocy | 46.07 | 10 | B Min | BB: 43.29 (+2.78s | 6.0%) | New Albany Aquatic Club | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 6294 | Shuwen Tan | 46.08 | 9 | B Min | BB: 43.29 (+2.79s | 6.1%) | Boys & Girls Club of SF | 07/19/2025 | 2025 DACA SC CBA Meet | |
| 6295 | Brodie Whitmire | 46.08 | 10 | B Min | BB: 43.29 (+2.79s | 6.1%) | Swim Omaha | 03/14/2026 | 2026 BLCK MW SO ACE Shamrock Showdown | |
| 6296 | Edie Vattiat | 46.08 | 10 | B Min | BB: 43.29 (+2.79s | 6.1%) | Oregon City | 02/15/2025 | 2025 OR HS 6A 5 | |
| 6297 | Charlotte Wong | 46.08 | 9 | B Min | BB: 43.29 (+2.79s | 6.1%) | Sunnyvale Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 6298 | Ingrid Oberle | 46.08 | 9 | B Min | BB: 43.29 (+2.79s | 6.1%) | Edina Swim Club | 02/27/2026 | 2026 MN EDI Minnesota Regional Championship | |
| 6299 | Claire Goleman | 46.08 | 10 | B Min | BB: 43.29 (+2.79s | 6.1%) | Oregon City | 02/15/2025 | 2025 OR HS 6A 5 | |
| 6300 | Jorja McGhee | 46.08 | 10 | B Min | BB: 43.29 (+2.79s | 6.1%) | Detroit All Star Aquatics | 01/16/2026 | SLA Arctic Blast 2026 | |
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.