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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5251 | Cameron Small | 45.64 | 10 | B Min | BB: 43.29 (+2.35s | 5.1%) | Germantown Swim Team | 10/24/2025 | 2025 Fall Invite | |
| 5252 | Lena Perry | 45.64 | 8 | B Min | BB: 43.29 (+2.35s | 5.1%) | Bayside Aquatics | 05/22/2026 | 2026 ISCA National Diversity Swim Champ | |
| 5253 | DeLeesia Barnes | 45.64 | 9 | B Min | BB: 43.29 (+2.35s | 5.1%) | Aces Swim Club | 02/14/2026 | 2026 CO ACES Winter Open | |
| 5254 | Dorothea Wilkie | 45.65 | 9 | B Min | BB: 43.29 (+2.36s | 5.2%) | Sea Devils | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 5255 | Maya Kiryanov | 45.65 | 10 | B Min | BB: 43.29 (+2.36s | 5.2%) | Wind N Sea Swim Team | 12/05/2025 | SI 2025 RSD All Ages WAG Max | |
| 5256 | Julia Oi | 45.65 | 10 | B Min | BB: 43.29 (+2.36s | 5.2%) | South Lyon Aquatics | 12/06/2025 | SLA Holiday Blast | |
| 5257 | Kennington Schalles | 45.65 | 10 | B Min | BB: 43.29 (+2.36s | 5.2%) | Team Charlotte Swimming | 01/04/2026 | 2026 Team Sailfish Dual Copied | |
| 5258 | Harper Cischke | 45.65 | 9 | B Min | BB: 43.29 (+2.36s | 5.2%) | DC Dept Of Parks and Recreatio | 10/11/2025 | 2025 ASA October Kick Off | |
| 5259 | Rylee Kozak | 45.66 | 10 | B Min | BB: 43.29 (+2.37s | 5.2%) | Greater Toledo Aquatic Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | |
| 5260 | Airlie MacNicol | 45.66 | 8 | B Min | BB: 43.29 (+2.37s | 5.2%) | Waves Of Wilmington Inc | 05/29/2026 | 2026 NSEA Swim May Flowers WOW Dual Meet | |
| 5261 | Maggie Mitchell | 45.66 | 10 | B Min | BB: 43.29 (+2.37s | 5.2%) | Long Reach Swim Club | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 5262 | Sadie Bradshaw | 45.66 | 9 | B Min | BB: 43.29 (+2.37s | 5.2%) | Cavalier Aquatics/Piedmont Fam | 01/16/2026 | CA Y Winter Rumble Copied | |
| 5263 | Lucy Iacco | 45.67 | 10 | B Min | BB: 43.29 (+2.38s | 5.2%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 5264 | Morgan Mathews | 45.67 | 10 | B Min | BB: 43.29 (+2.38s | 5.2%) | Kingfish Swimming Medfield | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 5265 | Julia Nemeroff | 45.67 | 10 | B Min | BB: 43.29 (+2.38s | 5.2%) | The Capitol Sea Devils | 03/20/2026 | March Madness 2026 | |
| 5266 | Ellison Harman | 45.67 | 9 | B Min | BB: 43.29 (+2.38s | 5.2%) | Empire Swimming | 02/06/2026 | 2026 MR YMID February Classic Copied | |
| 5267 | Madison Sublett | 45.67 | 10 | B Min | BB: 43.29 (+2.38s | 5.2%) | Pacific Swim | 02/21/2026 | 2026 SI MRA Age Group Champs Max Meet | |
| 5268 | Grace Cook | 45.68 | 7 | B Min | BB: 43.29 (+2.39s | 5.2%) | Hydra Aquatics | 02/27/2026 | 2026 OH BSC SC Regional Championships | |
| 5269 | Emma Harris | 45.68 | 10 | B Min | BB: 43.29 (+2.39s | 5.2%) | Front Range Barracudas | 04/17/2026 | 2026 CO CUDA April Pizza Meet | |
| 5270 | Emily Johnson | 45.68 | 10 | B Min | BB: 43.29 (+2.39s | 5.2%) | Puget Sound Swim Club | 03/21/2026 | 2026 PN OSTSEAL Kaholo Island ClassicApproved | |
| 5271 | Kennedy Esposita | 45.68 | 10 | B Min | BB: 43.29 (+2.39s | 5.2%) | Apollo Beach Swim Team | 05/02/2026 | 2026 Berkeley May Day | |
| 5272 | Vivienne Kelleher | 45.68 | 9 | B Min | BB: 43.29 (+2.39s | 5.2%) | Crimson Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 5273 | Siyana Pavlov | 45.68 | 10 | B Min | BB: 43.29 (+2.39s | 5.2%) | Boca Raton Swim Team | 02/14/2026 | Lightning Valentines BC Invite | |
| 5274 | Blake Barnes | 45.68 | 8 | B Min | BB: 43.29 (+2.39s | 5.2%) | WeAquatics | 05/22/2026 | 2026 ISCA National Diversity Swim Champ | |
| 5275 | Isabelle Fleyshman | 45.69 | 9 | B Min | BB: 43.29 (+2.40s | 5.3%) | Long Island Aquatic Club | 11/16/2025 | 2025 MR LIAC Fall Festival Invitational | |
| 5276 | Evangeline Shipley | 45.69 | 8 | B Min | BB: 43.29 (+2.40s | 5.3%) | Stingrays Swim Team | 11/14/2025 | 2025 Gobbler Gauntlet | |
| 5277 | Darcy Brown | 45.69 | 9 | B Min | BB: 43.29 (+2.40s | 5.3%) | Silver Falls Rapids YMCA | 02/08/2026 | 2026 AAA SC Final Countdown Open | |
| 5278 | Lia Serkovich | 45.69 | 8 | B Min | BB: 43.29 (+2.40s | 5.3%) | Beaverton Area Aquatics Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 5279 | Sawyer Cunio | 45.69 | 10 | B Min | BB: 43.29 (+2.40s | 5.3%) | Treasure Coast Aquatics | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | |
| 5280 | Anna Brateng | 45.69 | 9 | B Min | BB: 43.29 (+2.40s | 5.3%) | Riptide Swim Team | 02/27/2026 | 2026 MN MAN Minnesota Regional Championship | |
| 5281 | Stella Diaz | 45.70 | 10 | B Min | BB: 43.29 (+2.41s | 5.3%) | Red Wing Swim Club | 03/12/2025 | 2025 MN RWSC Fall Winter Mini Meet Champs | |
| 5282 | Everly Berryhill | 45.70 | 9 | B Min | BB: 43.29 (+2.41s | 5.3%) | Cullman Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 5283 | Evelyn Borchard | 45.70 | 9 | B Min | BB: 43.29 (+2.41s | 5.3%) | Meeker Marlins | 06/05/2026 | 2026 CO Gunnison Invitational | |
| 5284 | Nicole Williams | 45.70 | 6 | B Min | BB: 43.29 (+2.41s | 5.3%) | Birmingham Swim Team | 02/06/2026 | 2026 SES Region 3 Champions | |
| 5285 | Violet Oliveira | 45.70 | 9 | B Min | BB: 43.29 (+2.41s | 5.3%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 5286 | Patricia Robinson | 45.70 | 10 | B Min | BB: 43.29 (+2.41s | 5.3%) | Bluefish Swim Club | 03/13/2026 | 2026 NE INST NE Cup | |
| 5287 | Addison Foreman | 45.70 | 9 | B Min | BB: 43.29 (+2.41s | 5.3%) | North Carolina Aquatic Club | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 5288 | Lila Tompkins | 45.70 | 10 | B Min | BB: 43.29 (+2.41s | 5.3%) | Sailfish | 10/26/2025 | 2025 ST TXLA 10 U Fall Kick Off | |
| 5289 | Haven Lim | 45.70 | 8 | B Min | BB: 43.29 (+2.41s | 5.3%) | Phoenix Aquatic Club | 01/23/2026 | 2026 MR PAC Winter Classic Invitational | |
| 5290 | Maci Imperi | 45.70 | 10 | B Min | BB: 43.29 (+2.41s | 5.3%) | Gator Swim Club | 11/21/2025 | 2025 RAFC Almost Turkey Invitational | |
| 5291 | Lennon Davis | 45.70 | 10 | B Min | BB: 43.29 (+2.41s | 5.3%) | Minnetonka Swim Club | 02/21/2026 | 2026 MN FOXJ MN Bronze Championship | |
| 5292 | Jessica Shi | 45.70 | 8 | B Min | BB: 43.29 (+2.41s | 5.3%) | Occoquan Swimming | 11/21/2025 | 2025 Fall Festivus | |
| 5293 | Gemma Pellegrino | 45.71 | 9 | B Min | BB: 43.29 (+2.42s | 5.3%) | Swim Omaha | 12/13/2025 | 2025 MW CBSC NTS Holiday Classic | |
| 5294 | Riley Ma | 45.71 | 9 | B Min | BB: 43.29 (+2.42s | 5.3%) | Team Suffolk | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 5295 | Carla Daviso | 45.71 | 10 | B Min | BB: 43.29 (+2.42s | 5.3%) | Rockingham Area Youth Swimming | 06/06/2026 | 2026 NE NSSC June Invitational @ SJP | |
| 5296 | Dorothea Knox | 45.71 | 10 | B Min | BB: 43.29 (+2.42s | 5.3%) | DC Dept Of Parks and Recreatio | 03/20/2026 | 26th Annual Spring Championships | |
| 5297 | Elizabeth Levy | 45.71 | 10 | B Min | BB: 43.29 (+2.42s | 5.3%) | Streamline Aquatics | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 5298 | Savannah Immordino | 45.71 | 9 | B Min | BB: 43.29 (+2.42s | 5.3%) | Treasure Coast Aquatics | 01/24/2026 | 2026 TCA Winter Open | |
| 5299 | Emily Rodriguez | 45.71 | 10 | B Min | BB: 43.29 (+2.42s | 5.3%) | Aquastar | 11/02/2024 | 2024 ShAC 14 Under Meet | |
| 5300 | Louisa Byler | 45.71 | 10 | B Min | BB: 43.29 (+2.42s | 5.3%) | Stingrays Swim Team | 02/13/2026 | 2026 Northern District 12 Under Championship | |
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.