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 | |
|---|---|---|---|---|---|---|---|---|---|
| 7151 | Nora Dimatteo | 48.57 | 9 | B Min | BB: 43.29 (+5.28s | 10.9%) | Kingfish Swimming Medfield | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 7152 | Yuxin Gao | 48.57 | 9 | B Min | BB: 43.29 (+5.28s | 10.9%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 7153 | Margie Vawter | 48.57 | 8 | B Min | BB: 43.29 (+5.28s | 10.9%) | Rushmore Swim Team | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 7154 | Adalynn Peterson | 48.57 | 10 | B Min | BB: 43.29 (+5.28s | 10.9%) | Sioux Falls Swim Team | 02/06/2026 | 2026 Qualifying Meet | |
| 7155 | Eloise Brown | 48.57 | 8 | B Min | BB: 43.29 (+5.28s | 10.9%) | Aces Swim Club | 10/16/2026 | 2026 CO MACS Fall Invitational | |
| 7156 | Haley Merrill | 48.58 | 9 | B Min | BB: 43.29 (+5.29s | 10.9%) | Virginia Gators | 09/20/2025 | 2025 Friendly City Kickoff | |
| 7157 | Vianna Nguyen | 48.58 | 10 | B Min | BB: 43.29 (+5.29s | 10.9%) | Westview | 02/14/2025 | 2025 OR HS 6a 2 | |
| 7158 | Abigail Anderson | 48.58 | 8 | B Min | BB: 43.29 (+5.29s | 10.9%) | New Wave Swim Team | 03/14/2026 | 2026 MOR Reagan Martin Rocks Swim Meet | |
| 7159 | Kennedy West | 48.58 | 9 | B Min | BB: 43.29 (+5.29s | 10.9%) | Cottage Grove Aqua Lions | 07/18/2026 | RYST Summer Open 2026 | |
| 7160 | Frances Bales | 48.58 | 9 | B Min | BB: 43.29 (+5.29s | 10.9%) | Baylor Swim Club | 09/26/2026 | 2026 Fall Kickoff Classic Inviational | |
| 7161 | Alexis Donaldson | 48.58 | 8 | B Min | BB: 43.29 (+5.29s | 10.9%) | Nampa Swim Team | 10/11/2025 | 2025 Koudelka Memorial | |
| 7162 | Margaret Riordon | 48.58 | 9 | B Min | BB: 43.29 (+5.29s | 10.9%) | Denver Triton Swim Team | 10/10/2026 | 2026 CO FST Swim Pink | |
| 7163 | Paisleigh Sandquist | 48.58 | 8 | B Min | BB: 43.29 (+5.29s | 10.9%) | North Star Swim Team | 10/23/2026 | 2026 MN EDI Invite | |
| 7164 | Parisa Azarbal | 48.58 | 8 | B Min | BB: 43.29 (+5.29s | 10.9%) | Lake Oswego Swim Club | 11/07/2025 | 2025 McSwimville Invitational | |
| 7165 | Madeline Ternus | 48.59 | 9 | B Min | BB: 43.29 (+5.30s | 10.9%) | Blair YMCA Swim Team | 11/09/2025 | 2025 MW App LYD Y ThankSwimming | |
| 7166 | Mary Walsh | 48.59 | 10 | B Min | BB: 43.29 (+5.30s | 10.9%) | Kent County YMCA | 02/28/2026 | 2026 NE KCY A SENECY LEAGUE CHAMPS | |
| 7167 | Georgia Nolan | 48.59 | 9 | B Min | BB: 43.29 (+5.30s | 10.9%) | Edina Swim Club | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 7168 | Olive Battoclette | 48.59 | 10 | B Min | BB: 43.29 (+5.30s | 10.9%) | Powell Crosley YMCA | 02/19/2026 | 2026 OH CM SC Regional Championships | |
| 7169 | Taylor Norman | 48.59 | 8 | B Min | BB: 43.29 (+5.30s | 10.9%) | New York Sharks Aquatics | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 7170 | Kinsley Goggins | 48.59 | 9 | B Min | BB: 43.29 (+5.30s | 10.9%) | New Wave Swim Team | 02/07/2026 | 2026 MOR Snowflake 3 Meet | |
| 7171 | Abigail Bailey | 48.59 | 8 | B Min | BB: 43.29 (+5.30s | 10.9%) | Raleigh Swimming Association | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 7172 | Piper Holubar | 48.59 | 9 | B Min | BB: 43.29 (+5.30s | 10.9%) | Quest Swimming | 03/21/2026 | Quest Swimming March Madness Intrasquad Mee | |
| 7173 | Myra Basu | 48.59 | 10 | B Min | BB: 43.29 (+5.30s | 10.9%) | California Dolphins Swim Team | 10/31/2026 | Albany Armada Aquatics SC C B BB+ | |
| 7174 | Anya Wolfe | 48.60 | 9 | B: 48.59 (+0.01s | 0.0%) | Champlain Valley Swim Academy- | 03/01/2026 | 2026 NE UVAC 14 And Under Pentathlon | ||
| 7175 | Eva Kvedar | 48.60 | 9 | B: 48.59 (+0.01s | 0.0%) | Patuxent Aquatics Club | 01/17/2026 | PVS January Open 2026 Fairland | ||
| 7176 | Philippa Comfort | 48.60 | 9 | B: 48.59 (+0.01s | 0.0%) | Potomac Marlins | 01/17/2026 | PVS January Open 2026 PWCS | ||
| 7177 | Madelyn Deacon | 48.60 | 9 | B: 48.59 (+0.01s | 0.0%) | Lynchburg YMCA Swim Team | 01/31/2026 | LY Vs CA Y January Dual | ||
| 7178 | Grace Jacobson | 48.60 | 9 | B: 48.59 (+0.01s | 0.0%) | Yankton Swim Team | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | ||
| 7179 | Jahda Ward | 48.60 | 8 | B: 48.59 (+0.01s | 0.0%) | Carrollwood Village Swim Team | 10/10/2025 | 2025 GTSA TYR Swim Classic | ||
| 7180 | Gianna Fiedler | 48.60 | 9 | B: 48.59 (+0.01s | 0.0%) | Swim Florida | 10/16/2026 | 2026 T2 Spooktacular | ||
| 7181 | Lily Balliet | 48.60 | 8 | B: 48.59 (+0.01s | 0.0%) | Castle Rock Swimming | 09/27/2026 | 2026 CO Aspire Stanley Duck Invite | ||
| 7182 | Elizabeth Arton | 48.60 | 9 | B: 48.59 (+0.01s | 0.0%) | Northeast Family YMCA | 10/10/2026 | 2026 Tsunami Fall Invitational | ||
| 7183 | Cecilia Schudde | 48.60 | 10 | B: 48.59 (+0.01s | 0.0%) | Longhorn Aquatics | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | ||
| 7184 | Josephine Frye | 48.60 | 10 | B: 48.59 (+0.01s | 0.0%) | Csp Tideriders | 10/09/2026 | Fall Festival Invitational | ||
| 7185 | Nora Saikus | 48.61 | 8 | B: 48.59 (+0.02s | 0.0%) | Rapids Swim Team | 03/20/2026 | 2026 NE NSSC March Madness At MIT | ||
| 7186 | Nora Glowacki | 48.61 | 10 | B: 48.59 (+0.02s | 0.0%) | Meadowbrook Swim Team | 05/02/2026 | 2026 MAC May Hem Mini Meet | ||
| 7187 | Grace Peterson | 48.61 | 9 | B: 48.59 (+0.02s | 0.0%) | Scarlet Aquatics | 02/07/2026 | 2026 Scarlet IMX Superbowl | ||
| 7188 | Jordan Woods | 48.61 | 9 | B: 48.59 (+0.02s | 0.0%) | Flatiron Athletic Club | 01/16/2026 | 2026 CO CUDA Classic | ||
| 7189 | Eliana Bennett | 48.61 | 9 | B: 48.59 (+0.02s | 0.0%) | Steamboat Springs Swim Team | 09/26/2026 | 2026 CO Steamboat Fall Invitational | ||
| 7190 | Iris Zhang | 48.61 | 8 | B: 48.59 (+0.02s | 0.0%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | ||
| 7191 | Mireya Balan | 48.61 | 10 | B: 48.59 (+0.02s | 0.0%) | Bulldog Swim Club | 03/28/2026 | LAMV C B A+ Meet | ||
| 7192 | Lennon Beath | 48.61 | 8 | B: 48.59 (+0.02s | 0.0%) | Csp Tideriders | 10/09/2026 | Fall Festival Invitational | ||
| 7193 | Remi Chappell | 48.61 | 8 | B: 48.59 (+0.02s | 0.0%) | Newport Swim Team | 08/07/2026 | 2026 OR NST Seahorse Invitational | ||
| 7194 | Amaya Gomez | 48.62 | 9 | B: 48.59 (+0.03s | 0.1%) | Alamo Heights Aquatic Club ? A | 01/17/2026 | 2026 ST AAAA NS Frostbite | ||
| 7195 | Nora Hoffman | 48.62 | 10 | B: 48.59 (+0.03s | 0.1%) | Napoleon Aquatic Club | 02/19/2026 | 2026 OH SOS SC Regional Championships | ||
| 7196 | Aria Maloney | 48.62 | 8 | B: 48.59 (+0.03s | 0.1%) | Coronado Swim -team Elite | 01/31/2026 | 2026 SBA All Ages NTS Meet | ||
| 7197 | Allie Johnson | 48.62 | 9 | B: 48.59 (+0.03s | 0.1%) | Greater Pensacola Aquatic Club | 02/13/2026 | 2026 SES Region 4 Championships | ||
| 7198 | Magnolia McPherson | 48.62 | 8 | B: 48.59 (+0.03s | 0.1%) | Watauga Swim Team | 03/20/2026 | 2026 BRSL Championships | ||
| 7199 | Ella Coffrin | 48.62 | 10 | B: 48.59 (+0.03s | 0.1%) | Streamline Aquatics | 02/13/2026 | 2026 TYDE Be My Valentine Meet | ||
| 7200 | Eloise Green | 48.62 | 7 | B: 48.59 (+0.03s | 0.1%) | The YMCA of Southwest Florida | 08/22/2026 | 2026 Stingrays SCY Season Opener | ||
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.