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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1651 | 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 | |
| 1652 | 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 | |
| 1653 | 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 | |
| 1654 | 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 | |
| 1655 | 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 | |
| 1656 | 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 | |
| 1657 | 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 | |
| 1658 | 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 | |
| 1659 | 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 | |
| 1660 | 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 | |
| 1661 | Sarah Stille | 45.15 | 10 | BB Min | A: 42.79 (+2.36s | 5.2%) | Piranhas YMCA of the Suncoast | 11/21/2025 | SPA PYP NOVEMBER 2025 | |
| 1662 | 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 | |
| 1663 | 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 | |
| 1664 | 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 | |
| 1665 | 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 | |
| 1666 | 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 | |
| 1667 | Lillian Talley | 45.16 | 10 | BB Min | A: 42.79 (+2.37s | 5.2%) | Quest Swimming | 09/19/2025 | Quest Swimming Kickoff Intrasquad | |
| 1668 | Annalise Partridge | 45.16 | 10 | BB Min | A: 42.79 (+2.37s | 5.2%) | Oly Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 1669 | Liza Shatokhina | 45.16 | 10 | BB Min | A: 42.79 (+2.37s | 5.2%) | New Albany Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1670 | 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 | |
| 1671 | Kensington Earl | 45.17 | 9 | BB Min | A: 42.79 (+2.38s | 5.3%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 1672 | Evelyn Sullivan | 45.18 | 10 | BB Min | A: 42.79 (+2.39s | 5.3%) | Stamford Sailfish Aquatic Club | 12/11/2025 | 2025 NE CRA Winter Invitational | |
| 1673 | Ainslee Newman | 45.18 | 10 | BB Min | A: 42.79 (+2.39s | 5.3%) | Smac | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1674 | Kerrigan McGuire | 45.18 | 10 | BB Min | A: 42.79 (+2.39s | 5.3%) | Machine Aquatics | 10/18/2025 | 2025 NCAP Autumn Kingfish Splash | |
| 1675 | Harper Ramos | 45.19 | 10 | BB Min | A: 42.79 (+2.40s | 5.3%) | Unattached | 09/13/2025 | East Bay Silver Dolphins Short Course C B BB+ | |
| 1676 | Vera Asadamongkol | 45.19 | 9 | BB Min | A: 42.79 (+2.40s | 5.3%) | San Ramon Valley Aquatics | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | |
| 1677 | Kennedy Jones | 45.19 | 10 | BB Min | A: 42.79 (+2.40s | 5.3%) | Mountain State Storm | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 1678 | Natalie Chozick | 45.19 | 9 | BB Min | A: 42.79 (+2.40s | 5.3%) | Capital of Texas Aquatics | 01/09/2026 | 2026 ST TXLA New Year S Classic Invite | |
| 1679 | Lydia King | 45.19 | 10 | BB Min | A: 42.79 (+2.40s | 5.3%) | BadFish Aquatics | 12/12/2025 | 2025 NC QCD Holiday Invite | |
| 1680 | Gayun Kim | 45.20 | 10 | BB Min | A: 42.79 (+2.41s | 5.3%) | Auburn Aquatics | 02/20/2026 | 2026 SE Auburn Classic | |
| 1681 | Ailey Zhang | 45.20 | 10 | BB Min | A: 42.79 (+2.41s | 5.3%) | Lifetime | 03/13/2026 | 2026 NE INST NE Cup | |
| 1682 | Eisley Shutt | 45.20 | 10 | BB Min | A: 42.79 (+2.41s | 5.3%) | Mesa Aquatics Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 1683 | McKenzie Neeleman | 45.20 | 10 | BB Min | A: 42.79 (+2.41s | 5.3%) | Cavalier Aquatics/Piedmont Fam | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1684 | Harper Sova | 45.20 | 9 | BB Min | A: 42.79 (+2.41s | 5.3%) | Charlotte County Swimming | 03/05/2026 | 2026 Florida Swimming FLAGS SOUTH | |
| 1685 | Louise Centino | 45.20 | 10 | BB Min | A: 42.79 (+2.41s | 5.3%) | Rio Salado Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 1686 | Isabella Agarwala | 45.20 | 10 | BB Min | A: 42.79 (+2.41s | 5.3%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1687 | Emerson Morrissey | 45.20 | 10 | BB Min | A: 42.79 (+2.41s | 5.3%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1688 | Genevieve Geyer | 45.21 | 10 | BB Min | A: 42.79 (+2.42s | 5.4%) | Marlins Of Raleigh | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1689 | Saylan Petersen | 45.21 | 10 | BB Min | A: 42.79 (+2.42s | 5.4%) | Port Angeles Swim Club | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 1690 | Sofia Tamayo | 45.21 | 10 | BB Min | A: 42.79 (+2.42s | 5.4%) | Mecklenburg Swim Association | 12/05/2025 | ATOM Winter Invite 2025 | |
| 1691 | Gladys Buis | 45.21 | 10 | BB Min | A: 42.79 (+2.42s | 5.4%) | Dexter Community Aquatic Club | 03/07/2026 | 2026 Lake Ontario Regional Meet | |
| 1692 | Felicia Pounder | 45.22 | 10 | BB Min | A: 42.79 (+2.43s | 5.4%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 1693 | Emilia Hunt | 45.22 | 9 | BB Min | A: 42.79 (+2.43s | 5.4%) | Meadow | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 1694 | Katie Wang | 45.22 | 10 | BB Min | A: 42.79 (+2.43s | 5.4%) | Issaquah Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | |
| 1695 | Ezra Salisbury | 45.22 | 10 | B: 43.99 (+1.23s | 2.7%) | Eagle Swimming Association | 10/11/2024 | MAC October Open 2024 | ||
| 1696 | Samantha Carkner | 45.22 | 10 | BB Min | A: 42.79 (+2.43s | 5.4%) | Tac Titans | 02/14/2026 | 2026 TAC TITANS February Qualifier Meet | |
| 1697 | Yana Dolgusheva Araujo | 45.23 | 10 | BB Min | A: 42.79 (+2.44s | 5.4%) | Shawmut Aquatic Club | 01/30/2026 | 2026 NE CS Silver Championships | |
| 1698 | Alexandra Jackson | 45.24 | 9 | BB Min | A: 42.79 (+2.45s | 5.4%) | Jupiter Dragons Swim Team | 01/24/2026 | 2026 TCA Winter Open | |
| 1699 | Libby Brokaw | 45.24 | 10 | BB Min | A: 42.79 (+2.45s | 5.4%) | Westerville Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1700 | Maddie Naughton | 45.24 | 10 | BB Min | A: 42.79 (+2.45s | 5.4%) | Macedonia Manta Rays | 03/12/2026 | 2026 OH SC Junior Championships | |
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.