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 | |
|---|---|---|---|---|---|---|---|---|---|
| 6151 | Adalyn Weaver | 47.44 | 9 | B Min | BB: 43.29 (+4.15s | 8.7%) | Atlantic Coast Athletic Club | 11/15/2025 | 2025 WAC Fall Classic | |
| 6152 | Margaret Witt | 47.44 | 9 | B Min | BB: 43.29 (+4.15s | 8.7%) | Cca Marlins of Virginia | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 6153 | Amelia Smith | 47.44 | 10 | B Min | BB: 43.29 (+4.15s | 8.7%) | Issaquah Swim Team | 03/29/2025 | 2025 PN Spring Finale, Division 1 | |
| 6154 | Taliah Jamerson | 47.44 | 10 | B Min | BB: 43.29 (+4.15s | 8.7%) | The 4M Swim Club 4msc | 11/07/2025 | 2025 CAC 5th Annual Zachary Spain Memorial Me | |
| 6155 | Emily Kim | 47.44 | 10 | B Min | BB: 43.29 (+4.15s | 8.7%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 6156 | Arloa Jarpe | 47.44 | 9 | B Min | BB: 43.29 (+4.15s | 8.7%) | Edina Swim Club | 10/10/2026 | 2026 MN EDI Gator Splash And Dash | |
| 6157 | Hazel Palmer | 47.44 | 9 | B Min | BB: 43.29 (+4.15s | 8.7%) | North Jeffco Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 6158 | Reese Murphy | 47.44 | 7 | B Min | BB: 43.29 (+4.15s | 8.7%) | Riptide Swim Team | 09/27/2026 | 2026 CO Aspire Stanley Duck Invite | |
| 6159 | Ellin Kim | 47.45 | 8 | B Min | BB: 43.29 (+4.16s | 8.8%) | Phoenix Aquatic Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 6160 | Adeline Barrow | 47.45 | 10 | B Min | BB: 43.29 (+4.16s | 8.8%) | Coast Aquatics | 11/21/2025 | 2025 GPAC Gravy Bowl Invitational | |
| 6161 | Deanna Gao | 47.45 | 9 | B Min | BB: 43.29 (+4.16s | 8.8%) | New Rochelle YMCA Sailfish Swi | 03/27/2026 | 2026 MR Bronze Championships Central KBM | |
| 6162 | Georgia Mower | 47.45 | 8 | B Min | BB: 43.29 (+4.16s | 8.8%) | Poseidon Swimming Inc | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 6163 | Brielle Akers | 47.45 | 9 | B Min | BB: 43.29 (+4.16s | 8.8%) | San Diego Swim Club | 10/17/2026 | 2026 SI RSD All Ages NTS Meet | |
| 6164 | Nora Davis | 47.45 | 8 | B Min | BB: 43.29 (+4.16s | 8.8%) | Piranhas YMCA of the Suncoast | 10/09/2026 | WFLA Halloween Invitational | |
| 6165 | Ruby Joffer | 47.45 | 10 | B Min | BB: 43.29 (+4.16s | 8.8%) | Multnomah Athletic Club | 10/23/2026 | 2026 THSC Fall Invitational | |
| 6166 | Olivia Joyce | 47.46 | 9 | B Min | BB: 43.29 (+4.17s | 8.8%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 6167 | Hazel Bonaminio | 47.46 | 9 | B Min | BB: 43.29 (+4.17s | 8.8%) | Nampa Swim Team | 12/06/2025 | Reindeer Games 2025 | |
| 6168 | Rosemary Crain | 47.46 | 8 | B Min | BB: 43.29 (+4.17s | 8.8%) | Hydra Aquatics | 01/10/2026 | 2026 Snowdude Mini Meet | |
| 6169 | Hazel Russell | 47.46 | 7 | B Min | BB: 43.29 (+4.17s | 8.8%) | Sailfish Swim Club | 01/16/2026 | 2026 Odd Age Classic | |
| 6170 | Norah Lalwani | 47.46 | 10 | B Min | BB: 43.29 (+4.17s | 8.8%) | York Swim Club of Northern Vir | 03/20/2026 | March Madness 2026 | |
| 6171 | Atlee Faux | 47.46 | 8 | B Min | BB: 43.29 (+4.17s | 8.8%) | Bend Swim Club | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 6172 | Madalyn Renner | 47.47 | 9 | B Min | BB: 43.29 (+4.18s | 8.8%) | Obx Swim Club | 12/12/2025 | 2025 HVAC Winterfest Invitational | |
| 6173 | Natalie Chavez | 47.47 | 10 | B Min | BB: 43.29 (+4.18s | 8.8%) | Unattached | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 6174 | Ellie Decker | 47.47 | 8 | B Min | BB: 43.29 (+4.18s | 8.8%) | Dexter Community Aquatic Club | 02/14/2026 | 2026 Best ValenTimes Meet | |
| 6175 | Amiya Marshall | 47.47 | 9 | B Min | BB: 43.29 (+4.18s | 8.8%) | Potomac Marlins | 10/10/2025 | 2025 PV October Open Franconia | |
| 6176 | Rena Chen | 47.47 | 10 | B Min | BB: 43.29 (+4.18s | 8.8%) | Oly Swimming | 02/27/2026 | 2026 MCSA Junior Cup | |
| 6177 | Sloane Parker | 47.47 | 8 | B Min | BB: 43.29 (+4.18s | 8.8%) | Barracuda Swim Club of Northea | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 6178 | Addison Decker | 47.47 | 10 | B Min | BB: 43.29 (+4.18s | 8.8%) | Waterloo Swimming | 09/20/2026 | 2026 ST WLOO September Splash | |
| 6179 | Claire Garrigues | 47.48 | 9 | B Min | BB: 43.29 (+4.19s | 8.8%) | Piedmont Swim Team | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 6180 | Harper Fogle | 47.48 | 9 | B Min | BB: 43.29 (+4.19s | 8.8%) | Dayton Raiders | 02/20/2026 | 2026 OH WAVE SC Regional Championships | |
| 6181 | Leah Fullerton | 47.49 | 10 | B Min | BB: 43.29 (+4.20s | 8.8%) | Putnam | 02/12/2025 | 2025 OR HS 5a 1 | |
| 6182 | Navya Sharma | 47.49 | 10 | B Min | BB: 43.29 (+4.20s | 8.8%) | Smithfield YMCA Dolphins | 12/05/2025 | 2025 NE KCY YMCA Winter Champs | |
| 6183 | Emery Cowden | 47.49 | 9 | B Min | BB: 43.29 (+4.20s | 8.8%) | YMCA of Central Florida | 09/12/2026 | 2026 PA Fall Invite Running | |
| 6184 | Frances Thornbury | 47.49 | 10 | B Min | BB: 43.29 (+4.20s | 8.8%) | Swimchester Sailfish | 09/26/2026 | 2026 Swimchester Sailfish Intrasquad Meet | |
| 6185 | Michelle Franklin | 47.49 | 9 | B Min | BB: 43.29 (+4.20s | 8.8%) | Sfrp Rossi Swim Team | 09/26/2026 | WANV CBA+ Endless Summer Meet 2026 | |
| 6186 | Laylah Tomizawa | 47.49 | 8 | B Min | BB: 43.29 (+4.20s | 8.8%) | Kamehameha Swim Club | 10/24/2026 | 2026 HI 26th Annual Bill Smith Invitational | |
| 6187 | Kaia Boyd | 47.49 | 10 | B Min | BB: 43.29 (+4.20s | 8.8%) | Riptide Swim Team | 10/24/2026 | 2026 CO LONG Great Pumpkin Pentathlon | |
| 6188 | Quinn Ryan | 47.50 | 8 | B Min | BB: 43.29 (+4.21s | 8.9%) | Westchester Aquatic Club | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 6189 | Addison Klein | 47.50 | 10 | B Min | BB: 43.29 (+4.21s | 8.9%) | Kingfish Swimming Medfield | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 6190 | Julia McCarty | 47.50 | 10 | B Min | BB: 43.29 (+4.21s | 8.9%) | Tidal Wave Aquatics | 02/20/2026 | 2026 OH WAVE SC Regional Championships | |
| 6191 | Myrah Salian | 47.50 | 9 | B Min | BB: 43.29 (+4.21s | 8.9%) | Rockfish Swimming | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 6192 | Mckenzie Snell | 47.50 | 9 | B Min | BB: 43.29 (+4.21s | 8.9%) | Utica Shelby Swim Club | 11/22/2025 | 2025 Fall Fiesta | |
| 6193 | Stella Nevin | 47.50 | 10 | B Min | BB: 43.29 (+4.21s | 8.9%) | Tuna Swim Club | 01/10/2026 | 2026 MN MONC New Years Invite | |
| 6194 | Avery Tedy | 47.50 | 9 | B Min | BB: 43.29 (+4.21s | 8.9%) | Front Range Barracudas | 07/09/2026 | 2026 CO NCS 10 U Summer Festival | |
| 6195 | Emily Troja | 47.50 | 9 | B Min | BB: 43.29 (+4.21s | 8.9%) | Empire Swimming | 12/06/2025 | 2025 MR PAC 12 U Holiday Invitational | |
| 6196 | Evelyn Gailey | 47.50 | 9 | B Min | BB: 43.29 (+4.21s | 8.9%) | Swim Melbourne | 09/11/2026 | 2026 Hydro Fall Classic | |
| 6197 | Brydie Kearns | 47.50 | 9 | B Min | BB: 43.29 (+4.21s | 8.9%) | Swim Coral Springs | 08/29/2026 | 2026 SCS August Invite | |
| 6198 | Katy Pan | 47.50 | 10 | B Min | BB: 43.29 (+4.21s | 8.9%) | Pacific Dragons Swim Team | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | |
| 6199 | Nylah Coffey | 47.51 | 10 | B Min | BB: 43.29 (+4.22s | 8.9%) | Jenison | 02/28/2026 | 2026 JAWS Last Chance Meet | |
| 6200 | Mackenzie Schmidt | 47.51 | 9 | B Min | BB: 43.29 (+4.22s | 8.9%) | Grand Traverse Bay YMCA Breake | 03/07/2026 | 2026 Michigan YMCA State Championship | |
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.