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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1901 | Raelyn Ton | 47.25 | 10 | BB Min | A: 42.79 (+4.46s | 9.4%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 1902 | Cristiana Neofytou | 47.26 | 9 | BB Min | A: 42.79 (+4.47s | 9.5%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 1903 | Vivian Vozella | 47.26 | 8 | BB Min | A: 42.79 (+4.47s | 9.5%) | Crimson Aquatics | 07/30/2026 | 2026 NE CRA Prelim Final SCY Meet | |
| 1904 | Caroline Kimpel | 47.26 | 8 | BB Min | A: 42.79 (+4.47s | 9.5%) | Pompano Beach Piranhas | 02/06/2026 | Friendship Meet 2026 | |
| 1905 | Emma Pederson | 47.26 | 9 | BB Min | A: 42.79 (+4.47s | 9.5%) | Southwest Stars Swim Club | 02/21/2026 | 2026 SLAC Last Chance To Dance Invitational | |
| 1906 | Danielle Peacock | 47.26 | 10 | BB Min | A: 42.79 (+4.47s | 9.5%) | Bellingham Bay Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 1907 | Rebecca Unger | 47.26 | 10 | BB Min | A: 42.79 (+4.47s | 9.5%) | Mountainside | 02/14/2025 | 2025 OR HS 6a 2 | |
| 1908 | Kendall Azevedo | 47.26 | 10 | BB Min | A: 42.79 (+4.47s | 9.5%) | YMCA of Northwest North Caroli | 03/06/2026 | Jon Jolley GYSSA 2026 | |
| 1909 | Alaina Thompson | 47.26 | 9 | BB Min | A: 42.79 (+4.47s | 9.5%) | Fox Swim Club | 05/02/2026 | 2026 MAC May Hem Mini Meet | |
| 1910 | Allison Pegram | 47.27 | 10 | BB Min | A: 42.79 (+4.48s | 9.5%) | Coast Gaurd Blue Dolphins | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1911 | Juliet Delude | 47.27 | 10 | BB Min | A: 42.79 (+4.48s | 9.5%) | YMCA of Concord Swim Team | 01/24/2026 | 2026 NE GYT Northern NE District | |
| 1912 | Igundany Vaughn | 47.27 | 9 | BB Min | A: 42.79 (+4.48s | 9.5%) | Johnnie Means Aquatics | 02/21/2025 | 2025 Gulf 12 Under Champs (NOCH) | |
| 1913 | Claire Lee-Huo | 47.27 | 10 | BB Min | A: 42.79 (+4.48s | 9.5%) | Long Island Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 1914 | Julia Hu | 47.27 | 10 | BB Min | A: 42.79 (+4.48s | 9.5%) | Columbia Aquatics Association | 12/05/2025 | 2025 Christmas Championships | |
| 1915 | Arya Jones | 47.27 | 10 | BB Min | A: 42.79 (+4.48s | 9.5%) | YMCA of the Triangle Area Swim | 07/25/2026 | 2026 RSA Flip Flop | |
| 1916 | Layla Sacks | 47.28 | 9 | BB Min | A: 42.79 (+4.49s | 9.5%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1917 | Antonia Li | 47.28 | 10 | BB Min | A: 42.79 (+4.49s | 9.5%) | Jcc Sea Serpents | 06/13/2026 | 2026 NE JCCS Marblehead Light | |
| 1918 | Zalia Balkman | 47.28 | 10 | BB Min | A: 42.79 (+4.49s | 9.5%) | Piedmont Swim Team | 07/10/2026 | Redwood Empire Swim League Championship | |
| 1919 | Abigail Luikart | 47.28 | 9 | BB Min | A: 42.79 (+4.49s | 9.5%) | Virginia Gators | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1920 | Eloise Biros | 47.29 | 10 | BB Min | A: 42.79 (+4.50s | 9.5%) | Westlake Aquatic Facility | 11/16/2025 | 2025 ST TXLA 10 U November Unclassified | |
| 1921 | Bela DeMay | 47.29 | 9 | BB Min | A: 42.79 (+4.50s | 9.5%) | Annapolis Swim Club | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 1922 | Ewnet Alemseged | 47.29 | 10 | BB Min | A: 42.79 (+4.50s | 9.5%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 1923 | Amelie Wang | 47.29 | 9 | BB Min | A: 42.79 (+4.50s | 9.5%) | Westchester Aquatic Club | 02/20/2026 | 2026 MR Metro Silver Central Champs WEST | |
| 1924 | Addalyn Hendrick | 47.29 | 9 | BB Min | A: 42.79 (+4.50s | 9.5%) | Coast Aquatics | 09/19/2025 | 2025 Tropic Like It S Hot Open | |
| 1925 | Hattie Amsel | 47.29 | 10 | BB Min | A: 42.79 (+4.50s | 9.5%) | Austin Swim Club | 02/13/2026 | 2026 ST HPAC STX Champs South | |
| 1926 | Grace Gill | 47.29 | 9 | BB Min | A: 42.79 (+4.50s | 9.5%) | Tac Titans | 02/14/2026 | 2026 TAC TITANS February Qualifier Meet | |
| 1927 | Josephine Sverchek | 47.29 | 10 | BB Min | A: 42.79 (+4.50s | 9.5%) | Nation\\\\\\'s Capital Swim Club | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1928 | Amira Abel | 47.30 | 8 | BB Min | A: 42.79 (+4.51s | 9.5%) | Hydro Swim Club | 06/26/2026 | 2026 SwimRise Season Finale | |
| 1929 | Irelyn Wallin | 47.30 | 10 | BB Min | A: 42.79 (+4.51s | 9.5%) | Swim Tampa Aquatics | 02/06/2026 | CVST Sweetheart Meet | |
| 1930 | Jingxi Liu | 47.30 | 9 | BB Min | A: 42.79 (+4.51s | 9.5%) | Madison Swimming Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 1931 | Josette Kehrer | 47.30 | 10 | BB Min | A: 42.79 (+4.51s | 9.5%) | Reno Aquatic Club | 03/14/2026 | 2026 NNA AGO | |
| 1932 | Elizabeth Wang | 47.30 | 9 | BB Min | A: 42.79 (+4.51s | 9.5%) | Buckeye Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1933 | Renae Caggiano | 47.31 | 10 | BB Min | A: 42.79 (+4.52s | 9.6%) | Jcc Sea Serpents | 01/02/2026 | 2026 NE INST ABF Blizzard Classic | |
| 1934 | Hadley McSweeney | 47.31 | 9 | BB Min | A: 42.79 (+4.52s | 9.6%) | Sporting Jax Aquatic Club | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 1935 | Angela Sharp | 47.31 | 10 | BB Min | A: 42.79 (+4.52s | 9.6%) | Winchester Swim Team | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 1936 | Delaney Durcan | 47.32 | 9 | BB Min | A: 42.79 (+4.53s | 9.6%) | Univ. of Denver Hilltoppers | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1937 | Ivy Uyeda | 47.32 | 9 | BB Min | A: 42.79 (+4.53s | 9.6%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 12/06/2025 | SLA Holiday Blast | |
| 1938 | Lilly Davidson | 47.32 | 10 | BB Min | A: 42.79 (+4.53s | 9.6%) | Kingfish Swimming Medfield | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 1939 | Karina O | 47.32 | 10 | BB Min | A: 42.79 (+4.53s | 9.6%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | |
| 1940 | Clara Ulrich | 47.33 | 9 | BB Min | A: 42.79 (+4.54s | 9.6%) | Sioux Falls Swim Team | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 1941 | Helena Bowen | 47.33 | 10 | BB Min | A: 42.79 (+4.54s | 9.6%) | Palo Alto Stanford Aquatics | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 1942 | Andie Villanueva | 47.33 | 9 | BB Min | A: 42.79 (+4.54s | 9.6%) | Splash Aquatics | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 1943 | Elizabeth Russell | 47.33 | 10 | BB Min | A: 42.79 (+4.54s | 9.6%) | VC Sharks Swim Team | 01/24/2026 | 2026 MN DRGN Fire And Ice Invite | |
| 1944 | Kaien Lin | 47.33 | 10 | BB Min | A: 42.79 (+4.54s | 9.6%) | Tampa Elite Aquatics | 12/12/2025 | 2025 HARRY MEISEL WEST | |
| 1945 | Natalee Buckheit | 47.33 | 10 | BB Min | A: 42.79 (+4.54s | 9.6%) | Aqua Culture Swim School | 02/27/2026 | 2026 Cherry Blossom Champs | |
| 1946 | Ellyson Bridges | 47.34 | 9 | BB Min | A: 42.79 (+4.55s | 9.6%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 1947 | Nina Rogovoy | 47.34 | 10 | BB Min | A: 42.79 (+4.55s | 9.6%) | Jbarracudas Swim Team | 03/21/2026 | 2026 SI CAST All Ages NTS Meet South | |
| 1948 | Lucia Madoglio | 47.35 | 10 | BB Min | A: 42.79 (+4.56s | 9.6%) | Jesuit | 02/14/2025 | 2025 OR HS 6a 2 | |
| 1949 | Maya Kiryanov | 47.35 | 10 | BB Min | A: 42.79 (+4.56s | 9.6%) | Wind N Sea Swim Team | 08/08/2026 | 2026 SI WIND All Ages NTS Wrap Up Meet | |
| 1950 | Eloise Miller | 47.35 | 8 | BB Min | A: 42.79 (+4.56s | 9.6%) | O\\\\\\'Neal Aquatics | 10/18/2025 | 2025 NCAC IMX | |
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.