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 | |
|---|---|---|---|---|---|---|---|---|---|
| 601 | Olivia Oum | 37.31 | 10 | A Min | AA: 36.19 (+1.12s | 3.0%) | Machine Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 602 | Keira Degalan | 37.31 | 9 | A Min | AA: 36.19 (+1.12s | 3.0%) | T2 Aquatics | 09/19/2026 | 2026 GCST FALL OPEN | |
| 603 | Margaux Byrne | 37.32 | 10 | A Min | AA: 36.19 (+1.13s | 3.0%) | YMCA of Austin Swim Alliance | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 604 | Emily Castilleja | 37.33 | 10 | A Min | AA: 36.19 (+1.14s | 3.1%) | Centreville Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 605 | Scarlett Teague | 37.33 | 10 | A Min | AA: 36.19 (+1.14s | 3.1%) | Enfinity Aquatic Club | 01/09/2026 | Friday Night At The Races Copied | |
| 606 | Ariana Matt | 37.33 | 10 | A Min | AA: 36.19 (+1.14s | 3.1%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 NCAP Winter Qualifier | |
| 607 | Zoe Chan | 37.34 | 10 | A Min | AA: 36.19 (+1.15s | 3.1%) | Zone 1 North All Stars | 05/18/2025 | 2025 Pacific Swimming Zone All Star Meet | |
| 608 | Maya Nessler | 37.34 | 10 | A Min | AA: 36.19 (+1.15s | 3.1%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 609 | Quinn Schultz | 37.34 | 9 | A Min | AA: 36.19 (+1.15s | 3.1%) | Revolution Swim Club | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 610 | Dwani Handral | 37.34 | 9 | A Min | AA: 36.19 (+1.15s | 3.1%) | Nova of Virginia | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 611 | Talina Naffziger | 37.34 | 10 | A Min | AA: 36.19 (+1.15s | 3.1%) | Castle Rock Swimming | 02/14/2026 | 2026 CO ACES Winter Open | |
| 612 | Stella Mondido-Shelly | 37.35 | 10 | A Min | AA: 36.19 (+1.16s | 3.1%) | Cp-Ac Swimming | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 613 | Kylie Iino | 37.36 | 9 | A Min | AA: 36.19 (+1.17s | 3.1%) | South Florida Aquatic Club | 10/02/2026 | 2026 Speedo SOFLO Distance Challenge | |
| 614 | Lily Noltemeyer | 37.36 | 10 | A Min | AA: 36.19 (+1.17s | 3.1%) | Lakeside Swim Team | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
| 615 | Blake Tucker | 37.37 | 10 | A Min | AA: 36.19 (+1.18s | 3.2%) | Black Marlins Swim Team | 11/15/2025 | 2025 NE SAC Turkey Splash | |
| 616 | Ellie Ryan | 37.37 | 9 | A Min | AA: 36.19 (+1.18s | 3.2%) | Saline Swim Team | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 617 | Carlota Cooper | 37.37 | 10 | A Min | AA: 36.19 (+1.18s | 3.2%) | Arlington Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 618 | Grace Meissner | 37.37 | 10 | A Min | AA: 36.19 (+1.18s | 3.2%) | Orinda Aquatics | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 619 | Margot Meyer | 37.37 | 10 | A Min | AA: 36.19 (+1.18s | 3.2%) | Sioux Falls Swim Team | 10/10/2026 | 2026 SFST SD Swim Series Meet #1 | |
| 620 | Aria Esquivel | 37.37 | 10 | A Min | AA: 36.19 (+1.18s | 3.2%) | Surge Aquatics | 10/17/2026 | 2026 ST SRG SCY Surgetoberfest | |
| 621 | Yoyo Wu | 37.38 | 8 | A Min | AA: 36.19 (+1.19s | 3.2%) | Atlantic Coast Athletic Club | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 622 | Sydney Brandon | 37.38 | 10 | A Min | AA: 36.19 (+1.19s | 3.2%) | Buckeye Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 623 | Cadence Kwong | 37.39 | 9 | A Min | AA: 36.19 (+1.20s | 3.2%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 624 | Arabella Shang | 37.39 | 8 | A Min | AA: 36.19 (+1.20s | 3.2%) | River Rats Swim Club | 10/24/2026 | 2026 Victor Halloween Classic | |
| 625 | Peri Davis | 37.40 | 10 | A Min | AA: 36.19 (+1.21s | 3.2%) | Marshall County Swim Club | 10/03/2026 | 2026 SES WAKE CTA Spooky Splash | |
| 626 | Monserrat Vinals | 37.40 | 10 | A Min | AA: 36.19 (+1.21s | 3.2%) | Metro Aquatic Club of Miami | 03/05/2026 | 2026 FG Age Group SCY Championships | |
| 627 | Alysana Holgado | 37.40 | 10 | A Min | AA: 36.19 (+1.21s | 3.2%) | Hydro Swim Club | 10/25/2026 | 2026 Hydro Halloween Pentathlon | |
| 628 | Amina Bodlli | 37.41 | 10 | A Min | AA: 36.19 (+1.22s | 3.3%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 629 | Emily Gramer | 37.42 | 10 | A Min | AA: 36.19 (+1.23s | 3.3%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 630 | Frederique Medina-Lashko | 37.43 | 8 | A Min | AA: 36.19 (+1.24s | 3.3%) | Long Island Aquatic Club | 12/05/2025 | 2025 MR NYS Holiday Classic Trials Finals | |
| 631 | Chloe Chai | 37.43 | 10 | A Min | AA: 36.19 (+1.24s | 3.3%) | Santa Clara Swim Club | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | |
| 632 | Isabelle Kenney | 37.44 | 10 | A Min | AA: 36.19 (+1.25s | 3.3%) | Old Dominion Aquatic Club | 03/12/2026 | 2026 Virginia Swimming SC Age Group Champions | |
| 633 | Laurel Carnes | 37.44 | 10 | A Min | AA: 36.19 (+1.25s | 3.3%) | Excel Aquatics | 10/23/2026 | 2026 Pumpkin Spice Splash | |
| 634 | Mela Villalon Hunhoff | 37.46 | 10 | A Min | AA: 36.19 (+1.27s | 3.4%) | Unattached | 12/12/2025 | Winter SC Age Group Championships | |
| 635 | Evelyn Kosky | 37.46 | 10 | A Min | AA: 36.19 (+1.27s | 3.4%) | North Hills Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 636 | Heaven Park | 37.46 | 10 | A Min | AA: 36.19 (+1.27s | 3.4%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 637 | Aiyanna Williams | 37.46 | 10 | A Min | AA: 36.19 (+1.27s | 3.4%) | Aquawolves Swimming | 03/06/2026 | 2026 CO 14 U Silver State | |
| 638 | Emerson Clark | 37.47 | 10 | A Min | AA: 36.19 (+1.28s | 3.4%) | Edina Swim Club | 02/27/2026 | 2026 MN EDI Minnesota Regional Championship | |
| 639 | Aubrey Tompkins | 37.47 | 10 | A Min | AA: 36.19 (+1.28s | 3.4%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 640 | Ella Kim | 37.47 | 9 | A Min | AA: 36.19 (+1.28s | 3.4%) | Buckeye Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 641 | Zara Lucska | 37.47 | 9 | A Min | AA: 36.19 (+1.28s | 3.4%) | Saline Swim Team | 02/28/2026 | 2026 Last Chance Meet | |
| 642 | Eden McCage | 37.48 | 10 | A Min | AA: 36.19 (+1.29s | 3.4%) | Westlake Aquatic Facility | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 643 | Aroha Lousich | 37.49 | 10 | A Min | AA: 36.19 (+1.30s | 3.5%) | Mckay | 02/15/2025 | 2025 OR HS 5a 3 | |
| 644 | Olivia Dyjak | 37.49 | 10 | A Min | AA: 36.19 (+1.30s | 3.5%) | Evolution Racing Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 645 | Gianna Yurkschatt | 37.49 | 8 | A Min | AA: 36.19 (+1.30s | 3.5%) | SwimUnited | 03/12/2026 | 2026 OH SC Junior Championships | |
| 646 | Charlotte Goetz | 37.50 | 9 | A Min | AA: 36.19 (+1.31s | 3.5%) | Oly Swimming | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 647 | Alice Neel | 37.50 | 10 | A Min | AA: 36.19 (+1.31s | 3.5%) | Lynchburg Aquatic Club | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 648 | Molly McCullough | 37.50 | 9 | A Min | AA: 36.19 (+1.31s | 3.5%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 649 | Mila Tang | 37.51 | 10 | A Min | AA: 36.19 (+1.32s | 3.5%) | Life Time Fitness New York Swi | 02/20/2026 | 2026 MR Silvers North Championship YMID | |
| 650 | Hailey Rasmussen | 37.51 | 10 | A Min | AA: 36.19 (+1.32s | 3.5%) | Tigard | 02/15/2025 | 2025 OR HS 6A 5 | |
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.