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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1951 | Amelia Kam | 46.91 | 7 | BB Min | A: 42.79 (+4.12s | 8.8%) | Pacific Swim | 02/21/2026 | 2026 SI MRA Age Group Champs Max Meet | |
| 1952 | Clara Larkin | 46.91 | 9 | BB Min | A: 42.79 (+4.12s | 8.8%) | North Coast Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 1953 | Emilie Bieker | 46.92 | 10 | BB Min | A: 42.79 (+4.13s | 8.8%) | Legacy Aquatics | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 1954 | Aleksandra Domin | 46.92 | 10 | BB Min | A: 42.79 (+4.13s | 8.8%) | North Coast Aquatics | 10/04/2025 | 2025 SI CAST Pentathlon 14 U Copied | |
| 1955 | Morgan Edouard | 46.92 | 10 | BB Min | A: 42.79 (+4.13s | 8.8%) | Unattached | 02/28/2026 | 2026 NE KCY A SENECY LEAGUE CHAMPS | |
| 1956 | Anj Messersmith | 46.92 | 9 | BB Min | A: 42.79 (+4.13s | 8.8%) | Island Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 1957 | Isabella Mcknight | 46.93 | 9 | BB Min | A: 42.79 (+4.14s | 8.8%) | Swim Kauai Aquatics | 06/27/2026 | SKA Last Chance Meet 62726 | |
| 1958 | Ila Dawson | 46.93 | 10 | BB Min | A: 42.79 (+4.14s | 8.8%) | Dublin Community Swim Team | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1959 | Claire Ruckwardt-Clark | 46.93 | 10 | BB Min | A: 42.79 (+4.14s | 8.8%) | Unattached | 08/02/2025 | Mallard Nation Invitational | |
| 1960 | Amelia Skowronek | 46.93 | 8 | BB Min | A: 42.79 (+4.14s | 8.8%) | Diablo Aquatics | 09/27/2025 | PC LAC C B BB | |
| 1961 | Kyla Reyes | 46.93 | 10 | BB Min | A: 42.79 (+4.14s | 8.8%) | Rockingham Area Youth Swimming | 03/13/2026 | 2026 NE UVAC NHSA State Championships | |
| 1962 | Abha Acharya | 46.93 | 10 | BB Min | A: 42.79 (+4.14s | 8.8%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 1963 | Elena Smith | 46.93 | 10 | BB Min | A: 42.79 (+4.14s | 8.8%) | Granite Falls Makos | 01/10/2026 | 2026 RMY Winter Invitational | |
| 1964 | Emilia Tchaouchev | 46.94 | 9 | BB Min | A: 42.79 (+4.15s | 8.8%) | Otter Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 1965 | Elizabeth Edwards | 46.94 | 10 | BB Min | A: 42.79 (+4.15s | 8.8%) | Sailfish | 03/28/2026 | 2026 ST SGA Spring Fling Meet | |
| 1966 | Zoe Uchimoto | 46.94 | 10 | BB Min | A: 42.79 (+4.15s | 8.8%) | Maui Dolphins Swim Club | 05/16/2026 | 2026 MAGSA 12 U ABC And Special Olympics Meet | |
| 1967 | Jordan Winters | 46.94 | 10 | BB Min | A: 42.79 (+4.15s | 8.8%) | South Orange County Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1968 | Sara Saunders | 46.95 | 10 | BB Min | A: 42.79 (+4.16s | 8.9%) | Potomac Marlins | 09/27/2025 | 2025 PV MAKO FALL INVITATIONAL | |
| 1969 | Lily Berg | 46.95 | 10 | BB Min | A: 42.79 (+4.16s | 8.9%) | Castle Rock Swimming | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1970 | Elisha Nkamla Teufack | 46.95 | 10 | BB Min | A: 42.79 (+4.16s | 8.9%) | Life Time Colorado Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1971 | Layla Rinehart | 46.95 | 10 | BB Min | A: 42.79 (+4.16s | 8.9%) | Atlantic Coast Athletic Club | 01/16/2026 | CA Y Winter Rumble Copied | |
| 1972 | Audrey Lowengrub | 46.95 | 10 | BB Min | A: 42.79 (+4.16s | 8.9%) | Jcc Waves | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1973 | Madison Duckworth | 46.95 | 10 | BB Min | A: 42.79 (+4.16s | 8.9%) | Wasatch Front Fish Market | 09/26/2025 | Tsunami Fall Kick Off 2025 | |
| 1974 | Penelope Braddock | 46.96 | 10 | BB Min | A: 42.79 (+4.17s | 8.9%) | McMinnville | 02/15/2025 | 2025 OR HS 6A 3 | |
| 1975 | Jovee Liang | 46.96 | 10 | BB Min | A: 42.79 (+4.17s | 8.9%) | Eagle Swim Team Inc. | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 1976 | Ada Gai | 46.96 | 10 | BB Min | A: 42.79 (+4.17s | 8.9%) | Dragon Swim Team | 11/07/2025 | 2025 FXFX Loughmiller Memorial | |
| 1977 | Avery Manning | 46.97 | 10 | BB Min | A: 42.79 (+4.18s | 8.9%) | First Colony Swim Team, Inc. | 02/21/2025 | 2025 Gulf 12 Under Champs (PACK) | |
| 1978 | Anika Sharma | 46.97 | 10 | BB Min | A: 42.79 (+4.18s | 8.9%) | Ridgewood YMCA Breakers Swim T | 10/10/2025 | 2025 MR COND October Fall Festival | |
| 1979 | Eliza Mohr | 46.97 | 10 | BB Min | A: 42.79 (+4.18s | 8.9%) | Team Eugene Aquatics | 04/17/2026 | 2026 April Mini Meet | |
| 1980 | Alexandra Gatt | 46.97 | 9 | BB Min | A: 42.79 (+4.18s | 8.9%) | Supernova Swim Team | 02/27/2026 | 2026 Junior Cup | |
| 1981 | Vivian Xin | 46.97 | 10 | BB Min | A: 42.79 (+4.18s | 8.9%) | Nitro Swimming | 09/19/2025 | 2025 ST AQTX Round Rock Unclassified | |
| 1982 | Elizabeth Park | 46.97 | 9 | BB Min | A: 42.79 (+4.18s | 8.9%) | Tollefson Swimming | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 1983 | Simone Murray | 46.97 | 9 | BB Min | A: 42.79 (+4.18s | 8.9%) | Jupiter Dragons Swim Team | 02/06/2026 | 2026 Matt Mounts Memorial Swim Meet | |
| 1984 | Sterling Sayce | 46.97 | 10 | BB Min | A: 42.79 (+4.18s | 8.9%) | Commonwealth Swimming | 12/11/2025 | 2025 NE SHAWMUT Candy Cane Classic | |
| 1985 | Sophie Benwell | 46.98 | 9 | BB Min | A: 42.79 (+4.19s | 8.9%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 1986 | Abigail Liu | 46.98 | 10 | BB Min | A: 42.79 (+4.19s | 8.9%) | Crimson Aquatics | 01/30/2026 | 2026 NE CS Silver Championships | |
| 1987 | Evelyn Walker | 46.98 | 10 | BB Min | A: 42.79 (+4.19s | 8.9%) | Westlake Aquatic Facility | 11/15/2025 | 2025 ST WOW Harvest Hootenanny | |
| 1988 | Charlotte Zanutto | 46.98 | 10 | BB Min | A: 42.79 (+4.19s | 8.9%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 1989 | Claire Burton | 46.98 | 10 | BB Min | A: 42.79 (+4.19s | 8.9%) | West Florida Lightning Aquatic | 12/05/2025 | 2025 Speedo Gator Holiday Classic | |
| 1990 | Anna Jencks | 46.98 | 10 | BB Min | A: 42.79 (+4.19s | 8.9%) | Kamehameha Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 1991 | Carly Williams | 46.99 | 9 | BB Min | A: 42.79 (+4.20s | 8.9%) | Eagle Swim Team Inc. | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 1992 | Ivy Uyeda | 46.99 | 9 | BB Min | A: 42.79 (+4.20s | 8.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/16/2026 | 2026 Odd Age Classic | |
| 1993 | Elizaveta Zavgorodneva | 47.00 | 9 | BB Min | A: 42.79 (+4.21s | 9.0%) | Matchpoint Nyc | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 1994 | Runa Takahashi | 47.00 | 10 | BB Min | A: 42.79 (+4.21s | 9.0%) | West Express Swim Team | 02/07/2026 | 2026 MN WEST EXPRESS LAST CHANCE MEET | |
| 1995 | Wren Snyder | 47.00 | 10 | BB Min | A: 42.79 (+4.21s | 9.0%) | 757swim | 03/20/2026 | 757swim Short Course Send Off Intrasquad | |
| 1996 | Aakansha Phadtare | 47.01 | 9 | BB Min | A: 42.79 (+4.22s | 9.0%) | Nova of Virginia | 01/09/2026 | NOVA New Year S Kick Off | |
| 1997 | Anna Do | 47.01 | 9 | BB Min | A: 42.79 (+4.22s | 9.0%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 1998 | Emelia Ryan | 47.02 | 10 | BB Min | A: 42.79 (+4.23s | 9.0%) | Denver Swim Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1999 | Bella Zhang | 47.02 | 9 | BB Min | A: 42.79 (+4.23s | 9.0%) | Unattached | 09/15/2024 | 2024 ST LSAC Welcome To The Rock | |
| 2000 | Penelope Braddock | 47.02 | 9 | BB Min | A: 42.79 (+4.23s | 9.0%) | McMinnville | 02/13/2026 | 2026 OR HS 6A 3 | |
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.