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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1901 | Britton Battle | 40.80 | 9 | BB Min | A: 37.99 (+2.81s | 6.9%) | Grosse Pointe Gators | 03/07/2026 | 2026 Lake Erie Regional Meet | |
| 1902 | Emme Krill | 40.80 | 9 | BB Min | A: 37.99 (+2.81s | 6.9%) | Lenawee County Gators | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 1903 | Ava Zegar | 40.80 | 10 | BB Min | A: 37.99 (+2.81s | 6.9%) | Mecklenburg Swim Association | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 1904 | Cara Zhou | 40.80 | 10 | BB Min | A: 37.99 (+2.81s | 6.9%) | Worthington Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1905 | Nora Bailey | 40.80 | 10 | BB Min | A: 37.99 (+2.81s | 6.9%) | Team Vortex | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | |
| 1906 | Sofia Khalfin | 40.80 | 9 | BB Min | A: 37.99 (+2.81s | 6.9%) | Terrapins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 1907 | Finley Hoff | 40.80 | 10 | BB Min | A: 37.99 (+2.81s | 6.9%) | Red Dragon Swimming | 06/05/2026 | 2026 MN ALEX Pool Sprints Lake Swim | |
| 1908 | Zoe Scott | 40.81 | 10 | BB Min | A: 37.99 (+2.82s | 6.9%) | Alamo Area Aquatic Association | 11/14/2025 | 2025 ST AAAA AH PW NC Invite | |
| 1909 | Noa Barto | 40.81 | 9 | BB Min | A: 37.99 (+2.82s | 6.9%) | Fox Chapel Killer Whales | 02/13/2026 | 39th Black History Swim Meet | |
| 1910 | Sophia Perez | 40.81 | 10 | BB Min | A: 37.99 (+2.82s | 6.9%) | Farmingdale Aquatics | 11/21/2025 | 2025 MR FA Patriot Games Invitational | |
| 1911 | Evelyn Deschler | 40.81 | 9 | BB Min | A: 37.99 (+2.82s | 6.9%) | Dublin Community Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1912 | Mackenzie Boyer | 40.81 | 10 | BB Min | A: 37.99 (+2.82s | 6.9%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1913 | Addison Mou | 40.81 | 10 | BB Min | A: 37.99 (+2.82s | 6.9%) | Almaden Riptide | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 1914 | Victoria Randall | 40.82 | 10 | BB Min | A: 37.99 (+2.83s | 6.9%) | Potomac Marlins | 01/17/2026 | PVS January Open 2026 PWCS | |
| 1915 | Hope Sawvell | 40.82 | 10 | BB Min | A: 37.99 (+2.83s | 6.9%) | Capital of Texas Aquatics | 09/19/2025 | 2025 ST AQTX Round Rock Unclassified | |
| 1916 | Layla Ferguson | 40.82 | 9 | BB Min | A: 37.99 (+2.83s | 6.9%) | Just Care Aquatics Tritons | 02/13/2026 | 2026 BD Arctic BLAST Swim Meet | |
| 1917 | Ailey Zhang | 40.82 | 10 | BB Min | A: 37.99 (+2.83s | 6.9%) | Lifetime | 01/30/2026 | 2026 NE GS Silver Championships | |
| 1918 | Keira Moran | 40.82 | 10 | BB Min | A: 37.99 (+2.83s | 6.9%) | Club Husker | 02/20/2026 | 2026 MW Midwestern Age Group Short Course | |
| 1919 | Anika Parson | 40.82 | 10 | BB Min | A: 37.99 (+2.83s | 6.9%) | Pacific Dragons Swim Team | 01/24/2026 | 2026 PN PDST Winter Invitational Meet Approv | |
| 1920 | Harper Haemmerle | 40.83 | 10 | BB Min | A: 37.99 (+2.84s | 7.0%) | Upper Arlington Swim Club | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 1921 | Evie Angle | 40.83 | 9 | BB Min | A: 37.99 (+2.84s | 7.0%) | SwimRVA | 11/08/2025 | CA Y Tri Meet | |
| 1922 | Arielle Zur | 40.83 | 9 | BB Min | A: 37.99 (+2.84s | 7.0%) | Long Island Express | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1923 | Lily Shih | 40.84 | 8 | BB Min | A: 37.99 (+2.85s | 7.0%) | Long Island Aquatic Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 1924 | Arielle Zur | 40.84 | 9 | BB Min | A: 37.99 (+2.85s | 7.0%) | Long Island Express | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 1925 | Camila Jaramillo Ortman | 40.84 | 10 | BB Min | A: 37.99 (+2.85s | 7.0%) | Riptide Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1926 | Su Cimren | 40.85 | 9 | BB Min | A: 37.99 (+2.86s | 7.0%) | Bellevue Club Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 1927 | Grace Green | 40.85 | 10 | BB Min | A: 37.99 (+2.86s | 7.0%) | Stingray Swim Team | 05/15/2026 | 2026 PN SRST Pacific Coast Invitational App | |
| 1928 | Harper Wright | 40.85 | 10 | BB Min | A: 37.99 (+2.86s | 7.0%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1929 | Avery Case | 40.85 | 9 | BB Min | A: 37.99 (+2.86s | 7.0%) | North Coast Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 1930 | Rosalie Kelly | 40.85 | 10 | BB Min | A: 37.99 (+2.86s | 7.0%) | North Kent Aquatic Team | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 1931 | Isla Tain | 40.85 | 9 | BB Min | A: 37.99 (+2.86s | 7.0%) | York Swim Club of Northern Vir | 03/20/2026 | March Madness 2026 | |
| 1932 | Allison Thibodeau | 40.86 | 10 | BB Min | A: 37.99 (+2.87s | 7.0%) | Bayside Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 1933 | Valentina Han | 40.86 | 8 | BB Min | A: 37.99 (+2.87s | 7.0%) | Commonwealth Swimming | 06/26/2026 | 2026 NE CS Summer Classic | |
| 1934 | Poppy Anderson | 40.86 | 10 | BB Min | A: 37.99 (+2.87s | 7.0%) | Olympic Cascade Aquatics | 11/09/2025 | 2025 PN C Pentathlon | |
| 1935 | Lilia Yamamoto | 40.86 | 10 | BB Min | A: 37.99 (+2.87s | 7.0%) | Splash Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 1936 | Natalie Soukup | 40.86 | 10 | BB Min | A: 37.99 (+2.87s | 7.0%) | Hydra Aquatics | 11/21/2025 | 2025 Fall Festivus | |
| 1937 | Quinn Bentley-Henry | 40.87 | 10 | BB Min | A: 37.99 (+2.88s | 7.0%) | Rima United | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1938 | Audrey Williams | 40.87 | 10 | BB Min | A: 37.99 (+2.88s | 7.0%) | YMCA of the Triangle Area Swim | 12/05/2025 | 2025 TYDE Winter Championship | |
| 1939 | Hazel Allen | 40.87 | 10 | BB Min | A: 37.99 (+2.88s | 7.0%) | Manta Rays | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 1940 | Lexi Krenek | 40.87 | 10 | BB Min | A: 37.99 (+2.88s | 7.0%) | Brenham Swim Club | 02/21/2025 | 2025 Gulf 12 Under Champs (PACK) | |
| 1941 | Eva Schulman | 40.87 | 10 | BB Min | A: 37.99 (+2.88s | 7.0%) | Brooklyn Stingrays | 03/07/2026 | 2026 MR AGUA Last Chance Invitational | |
| 1942 | Sloane Howard | 40.87 | 9 | BB Min | A: 37.99 (+2.88s | 7.0%) | Palo Alto Stanford Aquatics | 07/26/2026 | 2026 PASA Summer Palooza | |
| 1943 | Rosie Tester | 40.87 | 6 | BB Min | A: 37.99 (+2.88s | 7.0%) | Miami Country Day School | 10/15/2025 | 2025 South Florida MS Champs USA S OBS | |
| 1944 | Grace DeVries | 40.87 | 10 | BB Min | A: 37.99 (+2.88s | 7.0%) | Farmington Family YMCA Stingra | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 1945 | Giuliana Lacaria | 40.87 | 10 | BB Min | A: 37.99 (+2.88s | 7.0%) | Mecklenburg Swim Association | 01/17/2026 | 2026 MSA January Invite | |
| 1946 | Claire Todd | 40.88 | 9 | BB Min | A: 37.99 (+2.89s | 7.1%) | Herndon Aquatic Club | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | |
| 1947 | Katherine Martinez | 40.88 | 10 | BB Min | A: 37.99 (+2.89s | 7.1%) | Clearwater Aquatic Team | 10/10/2025 | 2025 GTSA TYR Swim Classic | |
| 1948 | Norah Johnson | 40.88 | 10 | BB Min | A: 37.99 (+2.89s | 7.1%) | Seattle Metropolitan Aquatic C | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 1949 | Chloe Moon | 40.89 | 10 | BB Min | A: 37.99 (+2.90s | 7.1%) | Merritt Athletic Swimming | 12/04/2025 | 2025 Sport Fair Winter Classic | |
| 1950 | Sadie Fickling | 40.89 | 10 | BB Min | A: 37.99 (+2.90s | 7.1%) | Mason Makos Swim Team | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
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.