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 | |
|---|---|---|---|---|---|---|---|---|---|
| 8301 | Whitney Theriault | 48.04 | 10 | B Min | BB: 43.29 (+4.75s | 9.9%) | Westbrook Seals | 01/30/2026 | 2026 NE UVAC Silvers | |
| 8302 | Ava Mahajan | 48.04 | 9 | B Min | BB: 43.29 (+4.75s | 9.9%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 8303 | Juliana Russo | 48.04 | 10 | B Min | BB: 43.29 (+4.75s | 9.9%) | Trident Aquatic Club | 10/04/2025 | 2025 MR QNS Hello Brooklyn Invitational | |
| 8304 | Blair Karpin | 48.04 | 9 | B Min | BB: 43.29 (+4.75s | 9.9%) | Grand Haven Swim Club | 12/30/2025 | 2025 Wildcat Winter Invite | |
| 8305 | Arianna Finkelshteyn | 48.05 | 7 | B Min | BB: 43.29 (+4.76s | 9.9%) | Houston Hydra | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 8306 | Matilda Coslovich | 48.05 | 9 | B Min | BB: 43.29 (+4.76s | 9.9%) | Burlingame Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 8307 | Payton Morris | 48.05 | 9 | B Min | BB: 43.29 (+4.76s | 9.9%) | Prince William Swim Club | 01/17/2026 | 2026 Duck Bowl | |
| 8308 | Ruby Dong | 48.05 | 8 | B Min | BB: 43.29 (+4.76s | 9.9%) | Occoquan Swimming | 11/21/2025 | 2025 Fall Festivus | |
| 8309 | Harper Rymzo | 48.05 | 10 | B Min | BB: 43.29 (+4.76s | 9.9%) | Monterey Bay Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 8310 | Annika Mitchell | 48.05 | 9 | B Min | BB: 43.29 (+4.76s | 9.9%) | Potomac Marlins | 01/17/2026 | PVS January Open 2026 PWCS | |
| 8311 | Macie Hayden | 48.05 | 9 | B Min | BB: 43.29 (+4.76s | 9.9%) | Oly Swimming | 12/12/2025 | OLY Swimming Holiday Bowl | |
| 8312 | Elsa Lehner | 48.05 | 9 | B Min | BB: 43.29 (+4.76s | 9.9%) | Alamo Area Aquatic Association | 11/22/2024 | 2024 ST AAAA SW SCY Harvest Hustle | |
| 8313 | Nora Kieschnick | 48.05 | 7 | B Min | BB: 43.29 (+4.76s | 9.9%) | Houston Hydra | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 8314 | Gwen Ward | 48.05 | 10 | B Min | BB: 43.29 (+4.76s | 9.9%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 8315 | Mia Brumaru | 48.05 | 7 | B Min | BB: 43.29 (+4.76s | 9.9%) | Olympic Cascade Aquatics | 02/27/2026 | 2026 PN February AGI, Div 3 Approved | |
| 8316 | Lilah Bosmia | 48.06 | 9 | B Min | BB: 43.29 (+4.77s | 9.9%) | Wake Aquatics | 02/06/2026 | 2026 SES Region 3 Champions | |
| 8317 | Alivia Conti | 48.06 | 7 | B Min | BB: 43.29 (+4.77s | 9.9%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 8318 | Anastasia Deschenes | 48.06 | 11 | B Min | BB: 43.29 (+4.77s | 9.9%) | Rockingham Area Youth Swimming | 01/10/2026 | 2026 NE CS Winter Classic | |
| 8319 | Leah Tappero | 48.06 | 9 | B Min | BB: 43.29 (+4.77s | 9.9%) | Portland Aquatic Club | 10/18/2024 | 2024 THSC Fall Invitational | |
| 8320 | Louise Lapington | 48.06 | 10 | B Min | BB: 43.29 (+4.77s | 9.9%) | Richmond City Riptides | 11/22/2025 | NOVA Cranberry Contender | |
| 8321 | Lincoln O'Gorman | 48.06 | 9 | B Min | BB: 43.29 (+4.77s | 9.9%) | Lake Oswego Swim Club | 11/23/2025 | 2025 Dual Meet | |
| 8322 | Maddie Crawford | 48.06 | 9 | B Min | BB: 43.29 (+4.77s | 9.9%) | Kent County YMCA | 01/17/2026 | 2026 NE KCY SENECY Winter Carnival | |
| 8323 | Akwele Pitts-Wiley | 48.06 | 8 | B Min | BB: 43.29 (+4.77s | 9.9%) | Prince William Swim Club | 11/22/2025 | NOVA Cranberry Contender | |
| 8324 | Madison Stemkowski | 48.06 | 10 | B Min | BB: 43.29 (+4.77s | 9.9%) | Hudson Valley Dolphins | 01/23/2026 | 2026 MR HAWKS AD Trials And Finals | |
| 8325 | Frances Crossman | 48.06 | 10 | B Min | BB: 43.29 (+4.77s | 9.9%) | Cascade Swim Club | 02/01/2026 | 2026 PN CSC February Mini Meet Approved | |
| 8326 | Hattie Moretta | 48.06 | 8 | B Min | BB: 43.29 (+4.77s | 9.9%) | Perry Aquatic Club | 02/20/2026 | 2026 OH Akron SC Regional Championships | |
| 8327 | Taylor Pan | 48.07 | 11 | B Min | BB: 43.29 (+4.78s | 9.9%) | Flushing YMCA | 01/24/2026 | 2026 MR FLY Fran Schnarr Sprint Pentathlon Me | |
| 8328 | Grace McCormick | 48.07 | 10 | B Min | BB: 43.29 (+4.78s | 9.9%) | Pacific Swim | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 8329 | Evelyn Bradford | 48.07 | 7 | B Min | BB: 43.29 (+4.78s | 9.9%) | New Wave Swim Team | 11/01/2025 | WAVE TA NSEA TRiMeet 2025 | |
| 8330 | Cora Wall | 48.07 | 9 | B Min | BB: 43.29 (+4.78s | 9.9%) | Pacific Swim | 12/15/2024 | 2024 SI FAST 14U C Meet | |
| 8331 | Igundany Vaughn | 48.07 | 7 | B Min | BB: 43.29 (+4.78s | 9.9%) | Johnnie Means Aquatics | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 8332 | Mila Encino | 48.07 | 8 | B Min | BB: 43.29 (+4.78s | 9.9%) | Streamline Aquatics | 01/10/2026 | 2026 ST AHAC B Champs South Copied | |
| 8333 | Claire Moody | 48.07 | 9 | B Min | BB: 43.29 (+4.78s | 9.9%) | Bethesda-Chevy Chase YMCA | 12/05/2025 | 2025 Christmas Championships | |
| 8334 | Evelyn Smith | 48.07 | 9 | B Min | BB: 43.29 (+4.78s | 9.9%) | Fort Collins Area Swim Team | 02/21/2025 | 2025 CO FAST Aquarius Last Chance | |
| 8335 | Alexis King | 48.07 | 8 | B Min | BB: 43.29 (+4.78s | 9.9%) | SwimRVA | 10/24/2025 | NOVA Halloween Haunt | |
| 8336 | Savannah Monroe | 48.07 | 10 | B Min | BB: 43.29 (+4.78s | 9.9%) | Team Vortex | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | |
| 8337 | Charlie Avnit | 48.07 | 7 | B Min | BB: 43.29 (+4.78s | 9.9%) | Nitro Swimming | 09/06/2025 | 2025 ST NTRO Stephen J Wolleben Memorial Meet | |
| 8338 | Michelle Watts | 48.07 | 9 | B Min | BB: 43.29 (+4.78s | 9.9%) | YMCA East Hampton Hurricanes | 01/30/2026 | 2026 MR SSC Polar Bear Plunge | |
| 8339 | Hunter Kincaid | 48.07 | 10 | B Min | BB: 43.29 (+4.78s | 9.9%) | Chelsea Aquatic Club | 02/13/2026 | 2026 Showdown In Motown | |
| 8340 | Ella Davis | 48.07 | 7 | B Min | BB: 43.29 (+4.78s | 9.9%) | Hanover Aquatics | 10/28/2023 | 757Swim Fall Fiesta | |
| 8341 | Genevieve Stockwell | 48.07 | 7 | B Min | BB: 43.29 (+4.78s | 9.9%) | Seattle Metropolitan Aquatic C | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 8342 | Elizabeth DePuy | 48.08 | 9 | B Min | BB: 43.29 (+4.79s | 10.0%) | Hydra Aquatics | 01/17/2026 | 2026 PV January Open Audrey Moore | |
| 8343 | Evangelina Sanchez | 48.08 | 9 | B Min | BB: 43.29 (+4.79s | 10.0%) | El Paso Aqua Posse | 11/14/2025 | 2025 BD Turkey Splash | |
| 8344 | Mila Silveira | 48.08 | 8 | B Min | BB: 43.29 (+4.79s | 10.0%) | Magnolia Aquatic Club | 01/10/2025 | MAC 2025 Neon New Year Meet | |
| 8345 | Hunter Cains | 48.08 | 8 | B Min | BB: 43.29 (+4.79s | 10.0%) | Team Charlotte Swimming | 01/04/2026 | 2026 Team Sailfish Dual Copied | |
| 8346 | Krishala Paidimarri | 48.08 | 10 | B Min | BB: 43.29 (+4.79s | 10.0%) | Los Altos Mountain View Aquati | 10/25/2025 | 2025 SUNN Fall Classic | |
| 8347 | Hadley Nance | 48.08 | 7 | B Min | BB: 43.29 (+4.79s | 10.0%) | Saline Swim Team | 02/06/2026 | SST Snowstorm Splash | |
| 8348 | Viola Johnson | 48.08 | 9 | B Min | BB: 43.29 (+4.79s | 10.0%) | Hastings Area Swim Team | 01/17/2026 | 2026 MN FOXJ January Bronze Copied | |
| 8349 | Juno Cabrera | 48.09 | 10 | B Min | BB: 43.29 (+4.80s | 10.0%) | Frederick Area Swim Team | 11/14/2025 | GBSA 2025 Thanksgiving Swim Fest | |
| 8350 | Charlotte Corsaro | 48.09 | 9 | B Min | BB: 43.29 (+4.80s | 10.0%) | Enfinity Aquatic Club | 01/09/2026 | Friday Night At The Races Copied | |
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.