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 | |
|---|---|---|---|---|---|---|---|---|---|
| 8201 | Penelope Keys | 49.38 | 10 | B: 48.59 (+0.79s | 1.6%) | Manhattan Makos | 01/17/2026 | 2026 MR AGUA MLK Invitational | ||
| 8202 | Alexis Morrison | 49.38 | 9 | B: 48.59 (+0.79s | 1.6%) | Sparks Piranhas Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | ||
| 8203 | Quinn Buchanan | 49.39 | 10 | B: 48.59 (+0.80s | 1.6%) | Sarasota Sharks | 12/13/2025 | 2025 T2 Candy Cane Meet | ||
| 8204 | Cecelia Habash | 49.39 | 9 | B: 48.59 (+0.80s | 1.6%) | YMCA Fairfax County Reston | 01/10/2026 | 2026 MAKO POLAR PLUNGE | ||
| 8205 | Mila McGuigan | 49.39 | 9 | B: 48.59 (+0.80s | 1.6%) | Farmingdale Aquatics | 01/10/2026 | 2026 MR FA Iron Dragon Invitational | ||
| 8206 | Shirley Jones | 49.39 | 9 | B: 48.59 (+0.80s | 1.6%) | Baylor Swim Club | 10/25/2025 | 2025 Martha Bass Invitational Copied | ||
| 8207 | Cassidy McKinney | 49.39 | 8 | B: 48.59 (+0.80s | 1.6%) | Three Rivers Swimming | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | ||
| 8208 | Aliyah Chumpachot | 49.39 | 10 | B: 48.59 (+0.80s | 1.6%) | Andover-North Andover YMCA Hur | 01/03/2026 | 2026 NE GLYB A Cookie Classic | ||
| 8209 | Sadie Pease | 49.39 | 8 | B: 48.59 (+0.80s | 1.6%) | Rivertown Aquatics | 01/19/2026 | 2026 MR YMID MLK 8 Under Meet | ||
| 8210 | Mayra Tejas | 49.39 | 10 | B: 48.59 (+0.80s | 1.6%) | Nitro Swimming | 01/17/2026 | 2026 ST AQTX B Champs North | ||
| 8211 | Loreli Velo | 49.39 | 8 | B: 48.59 (+0.80s | 1.6%) | Rattlers Swim Club | 10/25/2025 | 2025 Bd Swatoberfest Sprintacular All | ||
| 8212 | Marley Baidon | 49.39 | 9 | B: 48.59 (+0.80s | 1.6%) | Rush | 12/14/2024 | 2024 ST WOW Hot Chocolate Jamboree | ||
| 8213 | Hannah Huang | 49.39 | 8 | B: 48.59 (+0.80s | 1.6%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | ||
| 8214 | Aleksandra Panic | 49.39 | 9 | B: 48.59 (+0.80s | 1.6%) | Patuxent Aquatics Club | 03/21/2026 | 2026 Macaroni Penguin Inter Squad Meet | ||
| 8215 | Gillian Smith | 49.40 | 10 | B: 48.59 (+0.81s | 1.6%) | Crimson Aquatics | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | ||
| 8216 | Harper Geyen | 49.40 | 9 | B: 48.59 (+0.81s | 1.6%) | Alexandria Swim Club | 01/12/2026 | 2026 MN ALEX January Intrasquad | ||
| 8217 | Eloise Miller | 49.40 | 8 | B: 48.59 (+0.81s | 1.6%) | O\\\\\\'Neal Aquatics | 11/09/2025 | 2025 12 And Under Mini Meet V2 | ||
| 8218 | Bailey Nguyen | 49.40 | 10 | B: 48.59 (+0.81s | 1.6%) | Valley Splash | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 8219 | Jozy Helgeson | 49.40 | 8 | B: 48.59 (+0.81s | 1.6%) | High Tides Swim Club | 05/28/2026 | 2026 MN WAVE A May Zing Minni Meet | ||
| 8220 | Susannah Sung | 49.40 | 7 | B: 48.59 (+0.81s | 1.6%) | Carolina Aquatic Team | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | ||
| 8221 | Alyssa Thorpe | 49.40 | 8 | B: 48.59 (+0.81s | 1.6%) | Aquajets Swim Team | 12/05/2025 | 2025 MN AQJT 14 U Single Age State Meet Cop | ||
| 8222 | Sasha Mayorova | 49.40 | 7 | B: 48.59 (+0.81s | 1.6%) | Shawmut Aquatic Club | 10/11/2025 | 2025 NE SAC Spooktacular Copied | ||
| 8223 | Dianna Park | 49.41 | 10 | B: 48.59 (+0.82s | 1.7%) | Fulshear Racing Swim Team | 12/20/2024 | 2024 Gulf Fall Champs (KATY) | ||
| 8224 | Emily Davis | 49.41 | 10 | B: 48.59 (+0.82s | 1.7%) | Williamsburg Aquatic Club | 10/11/2025 | 2025 WAC Start Up Classic | ||
| 8225 | Charlotte Hayden | 49.41 | 10 | B: 48.59 (+0.82s | 1.7%) | University City Swim Club | 03/07/2026 | 2026 GTWY 8 Under Champs | ||
| 8226 | Claire Garrigues | 49.41 | 9 | B: 48.59 (+0.82s | 1.7%) | Monterey Bay Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 8227 | Aiesha Belwal | 49.41 | 9 | B: 48.59 (+0.82s | 1.7%) | Edina Swim Club | 02/21/2026 | 2026 MN MONC MN Bronze Championship Copied | ||
| 8228 | Emma Yepez | 49.41 | 9 | B: 48.59 (+0.82s | 1.7%) | Swim Streamline at Northampton | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | ||
| 8229 | Mia Kiebert | 49.41 | 9 | B: 48.59 (+0.82s | 1.7%) | Tullahoma Swim Club | 12/05/2025 | 2025 Holiday Classic | ||
| 8230 | Vyktoria Mason | 49.41 | 9 | B: 48.59 (+0.82s | 1.7%) | Machine Aquatics | 03/20/2026 | 2026 RMSC Spring Finale | ||
| 8231 | Ruth Towarnicke | 49.41 | 8 | B: 48.59 (+0.82s | 1.7%) | Lakeshore Swim Club | 02/19/2026 | 2026 OH Cleveland SC Regional Championships | ||
| 8232 | Margaret Vrontos | 49.42 | 9 | B: 48.59 (+0.83s | 1.7%) | Upper Arlington Swim Club | 02/19/2026 | 2026 OH UASC SC Regional Championships | ||
| 8233 | Siobhan Gerow-Kerr | 49.42 | 10 | B: 48.59 (+0.83s | 1.7%) | Unattached | 04/11/2025 | 2025 Boys Girls Clubs National Swim Champs | ||
| 8234 | Sreenika Tummanapelly | 49.42 | 10 | B: 48.59 (+0.83s | 1.7%) | North Kent Aquatic Team | 12/05/2025 | EGRA 2025 Winter Washout | ||
| 8235 | Luella Malone | 49.42 | 9 | B: 48.59 (+0.83s | 1.7%) | Detroit Lakes | 02/21/2026 | 2026 MN MONC MN Bronze Championship Copied | ||
| 8236 | Carmen Wood | 49.42 | 9 | B: 48.59 (+0.83s | 1.7%) | Wasatch Swim Club | 10/23/2025 | Mike Harper Mini Meet | ||
| 8237 | Paisley Ramirez | 49.42 | 8 | B: 48.59 (+0.83s | 1.7%) | Lakewood Ranch Swim Associatio | 02/21/2026 | CCS Last Chance Meet Feb 2026 | ||
| 8238 | Madison Detert | 49.43 | 9 | B: 48.59 (+0.84s | 1.7%) | Beatrice YMCA Barracudas | 01/11/2026 | 2026 MW App FAST Y New Year Splash | ||
| 8239 | Anfisa Parshina | 49.43 | 9 | B: 48.59 (+0.84s | 1.7%) | The Woodlands Swim Team | 11/08/2024 | 2024 FCST Nov Tri Meet | ||
| 8240 | Khloe Rehbein | 49.43 | 8 | B: 48.59 (+0.84s | 1.7%) | Stingrays Swim Team | 12/04/2025 | 2025 RAYS Nutcracker Classic Copied | ||
| 8241 | Katie Li-Seabrooks | 49.43 | 9 | B: 48.59 (+0.84s | 1.7%) | Swim Tech | 03/27/2026 | 2026 MR Bronze Championships Central KBM | ||
| 8242 | Linley Fox | 49.43 | 9 | B: 48.59 (+0.84s | 1.7%) | Unattached | 02/19/2026 | 2026 OH UASC SC Regional Championships | ||
| 8243 | June Kalberkamp | 49.44 | 9 | B: 48.59 (+0.85s | 1.7%) | YMCA of the Triangle Area Swim | 12/05/2025 | 2025 TYDE Winter Championship | ||
| 8244 | Emmalyn Cowles | 49.44 | 8 | B: 48.59 (+0.85s | 1.7%) | SwimMAC Carolina | 03/07/2026 | 2026 SwimMAC BC Championship | ||
| 8245 | Diana Tang | 49.44 | 8 | B: 48.59 (+0.85s | 1.7%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | ||
| 8246 | Emma Ogden | 49.44 | 10 | B: 48.59 (+0.85s | 1.7%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | ||
| 8247 | Savannah Cummings | 49.44 | 8 | B: 48.59 (+0.85s | 1.7%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | ||
| 8248 | Kenzie Rafferty | 49.44 | 9 | B: 48.59 (+0.85s | 1.7%) | Powell Crosley YMCA | 02/19/2026 | 2026 OH CM SC Regional Championships | ||
| 8249 | Soujoud Almasalmh | 49.44 | 9 | B: 48.59 (+0.85s | 1.7%) | South East Metro Sharks | 01/25/2026 | 2026 MN HURR January Invitational | ||
| 8250 | Jubilee Geschwendt | 49.44 | 9 | B: 48.59 (+0.85s | 1.7%) | Oyster River Otters | 06/26/2026 | 2026 NE CS Summer Classic | ||
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.