USA Girls 10 & under - 50 M Free
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 | Dorothy Koelsch | 49.82 | 10 | B: 45.29 (+4.53s | 9.1%) | Vacationland Swim Club | 07/12/2025 | LSSC Avon Classic | ||
| 1902 | Maria Nu'ez Martinez | 49.84 | 8 | B: 45.29 (+4.55s | 9.1%) | Halcones Marinos Capn | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | ||
| 1903 | Samira Makhzoumi | 49.89 | 9 | B: 45.29 (+4.60s | 9.2%) | Ladera Oaks | 06/06/2025 | 2025 DACA LC CBA+ Meet | ||
| 1904 | Odette Cobos | 49.89 | 9 | B: 45.29 (+4.60s | 9.2%) | Lincoln City Swim Club | 03/07/2026 | Valley Coast Swim League 2026 | ||
| 1905 | Addilyn Hauck | 49.90 | 10 | B: 45.29 (+4.61s | 9.2%) | Aberdeen Swim Club | 07/11/2025 | 2025 SD Long Course State B Swim Meet | ||
| 1906 | Adelina Chacon | 49.91 | 9 | B: 45.29 (+4.62s | 9.3%) | Waterloo Swimming | 04/27/2025 | 2025 ST WLOO Waterloo Classic | ||
| 1907 | Isabella Atkins | 49.93 | 10 | B: 45.29 (+4.64s | 9.3%) | Ramona Swim Team | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | ||
| 1908 | Sivani Prakhya | 49.94 | 10 | B: 45.29 (+4.65s | 9.3%) | Bolles School Sharks | 04/25/2025 | 14th Annual JAX50 Sprint Dual Challenge | ||
| 1909 | Sophia Maier | 49.96 | 9 | B: 45.29 (+4.67s | 9.3%) | Issaquah Swim Team | 06/14/2025 | 2025 IST June Invtational | ||
| 1910 | Courtney Murphy | 49.96 | 10 | B: 45.29 (+4.67s | 9.3%) | Hi-Desert Swim Team | 07/25/2025 | 2025 OR East Cascade Season Finale | ||
| 1911 | Francesca Aflague | 49.96 | 9 | B: 45.29 (+4.67s | 9.3%) | The Olympic Club | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1912 | Abigail Cronin | 49.97 | 10 | B: 45.29 (+4.68s | 9.4%) | Blue Dragons Swim Team | 11/14/2025 | Pumpkin Sprint Meet 2025 | ||
| 1913 | Evelina Johnson | 49.97 | 10 | B: 45.29 (+4.68s | 9.4%) | Tuna Swim Club | 06/21/2025 | 2025 MN TUNA Oppor TUNA Ty 2 Invite | ||
| 1914 | Vivian Johnson | 49.98 | 8 | B: 45.29 (+4.69s | 9.4%) | Hastings Area Swim Team | 06/13/2025 | 2025 MN RSC Summerfest | ||
| 1915 | Emily Fang | 49.98 | 10 | B: 45.29 (+4.69s | 9.4%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | ||
| 1916 | Sophia Eleryan | 49.98 | 10 | B: 45.29 (+4.69s | 9.4%) | Pro Swimming | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 1917 | Cora Brock | 50.00 | 10 | B: 45.29 (+4.71s | 9.4%) | Cortez Water Dragons | 05/31/2025 | 2025 CO Cortez LC Summer Open | ||
| 1918 | Sawyer Cunio | 50.01 | 9 | B: 45.29 (+4.72s | 9.4%) | Treasure Coast Aquatics | 06/07/2025 | 2025 TCA Aaron Vaughn Memorial | ||
| 1919 | Ruby Greenland | 50.02 | 10 | B: 45.29 (+4.73s | 9.5%) | Cascade Swim Club | 09/20/2025 | 2025 PN CSC September Shakeout | ||
| 1920 | Taytum Hines | 50.03 | 9 | B: 45.29 (+4.74s | 9.5%) | Las Animas Trofins | 07/18/2025 | 2025 CO Rocky Ford Blue Marlins Invitational | ||
| 1921 | Emma Burgess | 50.03 | 10 | B: 45.29 (+4.74s | 9.5%) | Fort Collins Area Swim Team | 04/12/2025 | Cuda V FAST | ||
| 1922 | Hannah Hickman | 50.03 | 9 | B: 45.29 (+4.74s | 9.5%) | Alamo Area Aquatic Association | 04/11/2025 | 2025 ST AAAA NS Spring Into Long Course | ||
| 1923 | Angela Cui | 50.03 | 9 | B: 45.29 (+4.74s | 9.5%) | Blue Dolphin Swim Team | 04/25/2025 | 2025 PN KING Spring Derby | ||
| 1924 | Victoria Schreiber | 50.04 | 9 | B: 45.29 (+4.75s | 9.5%) | Treasure Coast Swimming | 05/03/2025 | TCSC Go For The Gold Invitational | ||
| 1925 | Sophia Ko | 50.04 | 10 | B: 45.29 (+4.75s | 9.5%) | Palo Alto Stanford Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | ||
| 1926 | Hazel Jacobson-Swartfager | 50.04 | 10 | B: 45.29 (+4.75s | 9.5%) | Portland Aquatic Club | 11/14/2025 | GACC PAC 12 U Sprint Dual | ||
| 1927 | Ayla Moyes | 50.06 | 10 | B: 45.29 (+4.77s | 9.5%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | ||
| 1928 | Eliana Smith | 50.07 | 10 | B: 45.29 (+4.78s | 9.5%) | Fairfax Foxes Swimming | 04/26/2024 | 2024 Helen Wang Sunflower Classic | ||
| 1929 | Marissa Flaningan | 50.08 | 9 | B: 45.29 (+4.79s | 9.6%) | Riptide Swim Team | 07/18/2025 | 2025 MN STRM Minnesota Regional Championship | ||
| 1930 | Lorelei Jenson | 50.08 | 10 | B: 45.29 (+4.79s | 9.6%) | Edina Swim Club | 06/13/2025 | 2025 MN NSAC Summer Slam Invite | ||
| 1931 | Amelia Krantz-Dauz | 50.11 | 9 | B: 45.29 (+4.82s | 9.6%) | Daly City Dolphins | 05/16/2025 | 2025 DACA LC CBA Meet | ||
| 1932 | Stella Fox | 50.11 | 9 | B: 45.29 (+4.82s | 9.6%) | Watertown Area Swim Club | 06/13/2025 | 2025 SD Aberdeen Summer High Point Swim Meet | ||
| 1933 | Viyana Baghaei | 50.11 | 10 | B: 45.29 (+4.82s | 9.6%) | Bay Club Aquatics | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | ||
| 1934 | lia Feaste | 50.12 | 7 | B: 45.29 (+4.83s | 9.6%) | Can Mississauga Aquatic Club | 01/17/2026 | 2026 Azura Winter Open LCM Invite | ||
| 1935 | Lana Kratzke | 50.14 | 10 | B: 45.29 (+4.85s | 9.7%) | Capital of Texas Aquatics | 05/02/2025 | 2025 ST ASC Cinco De Mayo | ||
| 1936 | Ardella Walsh | 50.15 | 10 | B: 45.29 (+4.86s | 9.7%) | Rochester Swim Club | 05/03/2025 | 2025 MN RSC Pentathlon | ||
| 1937 | Phoebe Chia | 50.15 | 10 | B: 45.29 (+4.86s | 9.7%) | Pacific Swim | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | ||
| 1938 | Kylie King | 50.17 | 10 | B: 45.29 (+4.88s | 9.7%) | Flatiron Athletic Club | 07/11/2025 | 2025 CO NJ Firecracker Invite | ||
| 1939 | Helen Peterson | 50.17 | 9 | B: 45.29 (+4.88s | 9.7%) | Beaverton Area Aquatics Club | 08/02/2025 | GACC 2025 End Of Season Meet | ||
| 1940 | Daniella Kong | 50.18 | 10 | B: 45.29 (+4.89s | 9.7%) | Clovis Swim Club | 05/25/2024 | 2024 Mike Snyder Memorial | ||
| 1941 | Hailey Bartel | 50.18 | 8 | B: 45.29 (+4.89s | 9.7%) | Gator Swim Club | 04/05/2025 | EAJ Spring Into Long Course | ||
| 1942 | Kora Kennon | 50.21 | 10 | B: 45.29 (+4.92s | 9.8%) | Battlefield Area Star Swimmers | 06/14/2024 | 2024 Winchester Long Course Inviational | ||
| 1943 | Karla Stanila | 50.22 | 10 | B: 45.29 (+4.93s | 9.8%) | Lone Star Aquatic Club | 05/31/2025 | 2025 ST LSAC For The City (LCM) | ||
| 1944 | Italia Villanueva | 50.22 | 10 | B: 45.29 (+4.93s | 9.8%) | El Paso Aqua Posse | 06/28/2024 | 2024 EPAP Jack White Classic | ||
| 1945 | Elizabeth Huang | 50.24 | 8 | B: 45.29 (+4.95s | 9.9%) | Otter Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | ||
| 1946 | Brooklynn McQueen | 50.24 | 8 | B: 45.29 (+4.95s | 9.9%) | Apex | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | ||
| 1947 | Muriel Taylor | 50.25 | 9 | B: 45.29 (+4.96s | 9.9%) | Alpha Aquatics | 01/17/2026 | 2026 Azura Winter Open LCM Invite | ||
| 1948 | Lucia Torres-Slavik | 50.26 | 10 | B: 45.29 (+4.97s | 9.9%) | Albany Armada Aquatics | 04/26/2025 | PacSwim LCM C B BB+ Hosted By TERA | ||
| 1949 | Sein Moon | 50.27 | 9 | B: 45.29 (+4.98s | 9.9%) | Pleasanton Seahawks | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | ||
| 1950 | Kollins Cooper | 50.28 | 10 | B: 45.29 (+4.99s | 9.9%) | North Jeffco Swim Team | 05/16/2025 | 2025 CO NJ Ken Kelley Invite | ||
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.