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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4851 | Eva Hammett | 45.14 | 10 | B Min | BB: 43.29 (+1.85s | 4.1%) | Prime Aquatics | 01/16/2026 | 2026 TNAQ JANUARY INVITATIONAL | |
| 4852 | Lucy Derbyshire | 45.14 | 10 | B Min | BB: 43.29 (+1.85s | 4.1%) | Cardinal and Gold Aquatics | 11/14/2025 | Harvest Festival 2025 | |
| 4853 | Gesine Mayr | 45.14 | 9 | B Min | BB: 43.29 (+1.85s | 4.1%) | Naval Academy Aquatic Club | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 4854 | Grace Uhlig | 45.14 | 8 | B Min | BB: 43.29 (+1.85s | 4.1%) | Hudsonville Eagles Aquatics Te | 02/28/2026 | 2026 JAWS Last Chance Meet | |
| 4855 | Magda Daliva | 45.14 | 9 | B Min | BB: 43.29 (+1.85s | 4.1%) | La Crosse Area Family YMCA Swi | 02/13/2026 | 2026 MN RSC President S Day Meet | |
| 4856 | Gwendolen Bowen | 45.14 | 10 | B Min | BB: 43.29 (+1.85s | 4.1%) | Club Husker | 01/24/2026 | 2026 MW LSS Winterfest | |
| 4857 | Edith Cayse | 45.14 | 9 | B Min | BB: 43.29 (+1.85s | 4.1%) | Huntsville Swim Association | 09/20/2025 | 2025 Ricky Hui Intrasquad Meet | |
| 4858 | Rylah Clark | 45.15 | 10 | B Min | BB: 43.29 (+1.86s | 4.1%) | Lahaina Swim Club | 02/07/2026 | 2026 MAGSA A B SCY LAST CHANCE MEET | |
| 4859 | Margaret Tashima | 45.15 | 9 | B Min | BB: 43.29 (+1.86s | 4.1%) | Foxjets Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 4860 | Marilee Najarro | 45.15 | 10 | B Min | BB: 43.29 (+1.86s | 4.1%) | Stingrays Swim Team | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 4861 | Chloe Nguyen | 45.15 | 10 | B Min | BB: 43.29 (+1.86s | 4.1%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 4862 | Karmyn Aiwohi | 45.15 | 10 | B Min | BB: 43.29 (+1.86s | 4.1%) | Kamehameha Swim Club | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 4863 | Gabriella Russell | 45.15 | 10 | B Min | BB: 43.29 (+1.86s | 4.1%) | Lone Star Aquatic Club | 06/16/2026 | 2026 ST AQTX TNR 6162026 | |
| 4864 | Ellie Perry | 45.15 | 10 | B Min | BB: 43.29 (+1.86s | 4.1%) | Long Island Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 4865 | Hazel Calderon | 45.15 | 9 | B Min | BB: 43.29 (+1.86s | 4.1%) | Westlake Aquatic Facility | 01/10/2026 | 2026 ST AHAC B Champs South Copied | |
| 4866 | Evelyn Wang | 45.15 | 10 | B Min | BB: 43.29 (+1.86s | 4.1%) | Wave Aquatics | 01/24/2026 | 2026 PN WAVE Winter Invitational Approved | |
| 4867 | Keira Hunter | 45.15 | 9 | B Min | BB: 43.29 (+1.86s | 4.1%) | Sporting Jax Aquatic Club | 11/15/2025 | EAJ Fall Harvest 2025 | |
| 4868 | Harper Hock | 45.15 | 10 | B Min | BB: 43.29 (+1.86s | 4.1%) | Laker Swim | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 4869 | Emilia Tsang | 45.15 | 9 | B Min | BB: 43.29 (+1.86s | 4.1%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 4870 | Lillyana Basil | 45.15 | 10 | B Min | BB: 43.29 (+1.86s | 4.1%) | Unattached | 04/15/2026 | 2026 ST NIST April Race Night | |
| 4871 | Amelia Martingale | 45.16 | 8 | B Min | BB: 43.29 (+1.87s | 4.1%) | West Islip Swim Club | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 4872 | Juliette Cameron | 45.16 | 10 | B Min | BB: 43.29 (+1.87s | 4.1%) | Swim Fort Lauderdale | 02/14/2026 | Lightning Valentines BC Invite | |
| 4873 | Vivian Hite | 45.16 | 9 | B Min | BB: 43.29 (+1.87s | 4.1%) | Shoals Aquatic Club | 11/07/2025 | MSA Veterans Day Invitational | |
| 4874 | Leilani Smith | 45.16 | 10 | B Min | BB: 43.29 (+1.87s | 4.1%) | Tide Swimming | 01/09/2026 | 2026 757swim Splash And Dash | |
| 4875 | Johanna Hong | 45.16 | 10 | B Min | BB: 43.29 (+1.87s | 4.1%) | Merritt Athletic Swimming | 12/21/2025 | The Grinch Stole My Times (9 O BB Slowe) 2025 | |
| 4876 | Helen Zhang | 45.16 | 10 | B Min | BB: 43.29 (+1.87s | 4.1%) | California Dolphins Swim Team | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 4877 | Reghan Devaney | 45.16 | 9 | B Min | BB: 43.29 (+1.87s | 4.1%) | Crimson Aquatics | 03/13/2026 | 2026 NE CRA End Of Season March Invite | |
| 4878 | Veronica Devaney | 45.16 | 9 | B Min | BB: 43.29 (+1.87s | 4.1%) | Newport County YMCA Wahoos | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 4879 | Darcy Brown | 45.16 | 9 | B Min | BB: 43.29 (+1.87s | 4.1%) | Silver Falls Rapids YMCA | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 4880 | Hannah Bigelow | 45.16 | 9 | B Min | BB: 43.29 (+1.87s | 4.1%) | Middlesex Swim Club | 03/13/2026 | 2026 Shawmut NE Cup Championship | |
| 4881 | Weimo Xie | 45.16 | 10 | B Min | BB: 43.29 (+1.87s | 4.1%) | Albany Armada Aquatics | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 4882 | Stella Rush | 45.17 | 9 | B Min | BB: 43.29 (+1.88s | 4.2%) | Gsa | 11/15/2025 | 2025 John Dewey Invitational | |
| 4883 | Lilah Boone | 45.17 | 7 | B Min | BB: 43.29 (+1.88s | 4.2%) | Evergreen Hurricanes | 01/31/2026 | 2026 CO Anthony Boettcher Nate Rothman Memori | |
| 4884 | Layah Jiang | 45.17 | 8 | B Min | BB: 43.29 (+1.88s | 4.2%) | Long Island Aquatic Club | 11/16/2025 | 2025 MR LIAC Fall Festival Invitational | |
| 4885 | Molly Bogdanovitch | 45.17 | 9 | B Min | BB: 43.29 (+1.88s | 4.2%) | Kona Dolphins Swim Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 4886 | Ava Hanson | 45.17 | 9 | B Min | BB: 43.29 (+1.88s | 4.2%) | Deadwood/Lead 76ers | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 4887 | Ella Schiffmann | 45.18 | 8 | B Min | BB: 43.29 (+1.89s | 4.2%) | FireFish Swim Team | 01/16/2026 | 2026 NE CS Bronze Championships | |
| 4888 | Wrenly Wright | 45.18 | 9 | B Min | BB: 43.29 (+1.89s | 4.2%) | SlipStream Aquatics | 03/13/2026 | Mile High Championship Invitational | |
| 4889 | Aubreigh Broome | 45.18 | 9 | B Min | BB: 43.29 (+1.89s | 4.2%) | Southwest Stars Swim Club | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 4890 | Abigail Yeh | 45.18 | 10 | B Min | BB: 43.29 (+1.89s | 4.2%) | Life Time Fitness New York Swi | 01/16/2026 | 2026 MR NFS 43rd Annual Dr MLK Jr Invite | |
| 4891 | Kendall Bonner | 45.18 | 8 | B Min | BB: 43.29 (+1.89s | 4.2%) | Piedmont Aquatic Club | 12/12/2025 | 2025 NC QCD Holiday Invite | |
| 4892 | Ella Westphal | 45.18 | 10 | B Min | BB: 43.29 (+1.89s | 4.2%) | South East Metro Sharks | 02/27/2026 | 2026 MN WEST Minnesota Regional Championship | |
| 4893 | Abigail Forster | 45.18 | 10 | B Min | BB: 43.29 (+1.89s | 4.2%) | Terrapins Swim Team | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | |
| 4894 | Jasmine Zhang | 45.18 | 8 | B Min | BB: 43.29 (+1.89s | 4.2%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 4895 | Emzley Voshall-Ripsom | 45.18 | 8 | B Min | BB: 43.29 (+1.89s | 4.2%) | Team Vortex | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | |
| 4896 | Vanessa Nguyen | 45.18 | 10 | B Min | BB: 43.29 (+1.89s | 4.2%) | Y in Central Maryland Blue Cra | 12/05/2025 | 2025 Christmas Championships | |
| 4897 | Mathilda Zilber | 45.18 | 10 | B Min | BB: 43.29 (+1.89s | 4.2%) | Pine Crest Swimming | 11/01/2025 | Piranhas Turkey Classic 2025 | |
| 4898 | Ryleigh Bauer-Dobias | 45.18 | 9 | B Min | BB: 43.29 (+1.89s | 4.2%) | Hauppauge Swimming | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 4899 | Miriam Mustafa | 45.18 | 10 | B Min | BB: 43.29 (+1.89s | 4.2%) | YMCA of the North Shore Sharks | 02/07/2026 | 2026 NE YNS Last Chance Qualifier | |
| 4900 | Mia Brumaru | 45.18 | 8 | B Min | BB: 43.29 (+1.89s | 4.2%) | Olympic Cascade Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
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.