USA Girls 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1301 | Audrey Anderson | 52.49 | 9 | B Min | BB: 49.69 (+2.80s | 5.3%) | Aberdeen Swim Club | 07/18/2025 | 2025 SD State Long Course Meet | |
| 1302 | Natalie Guerrero | 52.50 | 9 | B Min | BB: 49.69 (+2.81s | 5.4%) | Avon Swim Club | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 1303 | Stella Nielsen | 52.50 | 9 | B Min | BB: 49.69 (+2.81s | 5.4%) | Minnetonka Swim Club | 06/13/2025 | 2025 MN NSAC Summer Slam Invite | |
| 1304 | Madeline Popa | 52.52 | 8 | B Min | BB: 49.69 (+2.83s | 5.4%) | Tampa Bay Aquatic Club | 01/16/2026 | 2026 TRIALS FUNDRAISER MEET | |
| 1305 | Sophia Gao | 52.53 | 8 | B Min | BB: 49.69 (+2.84s | 5.4%) | Olympus Aquatics | 05/30/2025 | 2025 UT CHAT Non Qualifier | |
| 1306 | Meriwether Melson | 52.53 | 8 | B Min | BB: 49.69 (+2.84s | 5.4%) | Nova of Virginia | 07/11/2024 | 2024 RAYS Summer Awards | |
| 1307 | Charlotte Haynes | 52.54 | 9 | B Min | BB: 49.69 (+2.85s | 5.4%) | Pierre Swim Team | 07/11/2025 | 2025 SD Long Course State B Swim Meet | |
| 1308 | Zoe Lyons | 52.54 | 8 | B Min | BB: 49.69 (+2.85s | 5.4%) | Saint Petersburg Aquatics | 01/16/2026 | 2026 TRIALS FUNDRAISER MEET | |
| 1309 | Claire Wang | 52.54 | 9 | B Min | BB: 49.69 (+2.85s | 5.4%) | Wave Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 1310 | Tessa Chaikin | 52.55 | 9 | B Min | BB: 49.69 (+2.86s | 5.4%) | Denver Swim Academy | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 1311 | Isla Davis | 52.56 | 8 | B Min | BB: 49.69 (+2.87s | 5.5%) | Streamline Aquatics | 06/20/2025 | 2025 ST AAAA NS George Block Invite | |
| 1312 | Sutton Mcnelis | 52.57 | 10 | B Min | BB: 49.69 (+2.88s | 5.5%) | Capital of Texas Aquatics | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 1313 | Aili Schwartz | 52.57 | 9 | B Min | BB: 49.69 (+2.88s | 5.5%) | Seals Aquatics | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 1314 | Nati Riveria | 52.58 | 8 | B Min | BB: 49.69 (+2.89s | 5.5%) | St. Thomas Swimming Associatio | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 1315 | Clio Haga | 52.59 | 8 | B Min | BB: 49.69 (+2.90s | 5.5%) | Sawtooth Aquatic Club | 07/18/2025 | 2025 LCM Summer Championships | |
| 1316 | Margaret Boland | 52.59 | 10 | B Min | BB: 49.69 (+2.90s | 5.5%) | Aces Swim Club | 05/16/2025 | 2025 CO ACES Spring Invite | |
| 1317 | Elizabeth Hudson | 52.60 | 9 | B Min | BB: 49.69 (+2.91s | 5.5%) | Yakima YMCA Swim Team | 07/25/2025 | 2025 IES LC CHAMPIONSHIPS | |
| 1318 | Stella Bezemer | 52.60 | 9 | B Min | BB: 49.69 (+2.91s | 5.5%) | Palo Alto Stanford Aquatics | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 1319 | Evelyn Neece | 52.61 | 8 | B Min | BB: 49.69 (+2.92s | 5.6%) | Nova of Virginia | 07/11/2024 | 2024 RAYS Summer Awards | |
| 1320 | Hazel Calderon | 52.62 | 9 | B Min | BB: 49.69 (+2.93s | 5.6%) | Westlake Aquatic Facility | 06/20/2025 | 2025 ST AAAA NS George Block Invite | |
| 1321 | Summer Lam | 52.62 | 10 | B Min | BB: 49.69 (+2.93s | 5.6%) | Flatiron Athletic Club | 07/11/2025 | 2025 CO NJ Firecracker Invite | |
| 1322 | Tess Duca | 52.64 | 10 | B Min | BB: 49.69 (+2.95s | 5.6%) | Highlands Ranch Aquatics | 04/12/2025 | 2025 CO TOPS Suburban League Pentathlon | |
| 1323 | Riley Blaugh | 52.64 | 9 | B Min | BB: 49.69 (+2.95s | 5.6%) | Sarasota Sharks | 06/19/2025 | 2025 Shark Open | |
| 1324 | Sutton Schaper | 52.64 | 10 | B Min | BB: 49.69 (+2.95s | 5.6%) | Nitro Swimming | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | |
| 1325 | Eleanor Reithel | 52.65 | 9 | B Min | BB: 49.69 (+2.96s | 5.6%) | Minnetonka Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 1326 | Harper Wesolowski | 52.66 | 8 | B Min | BB: 49.69 (+2.97s | 5.6%) | Swim Dogs | 04/12/2025 | 2025 CO TOPS Suburban League Pentathlon | |
| 1327 | Miya Ma | 52.67 | 10 | B Min | BB: 49.69 (+2.98s | 5.7%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 1328 | Andrea DeMers | 52.67 | 10 | B Min | BB: 49.69 (+2.98s | 5.7%) | Pierre Swim Team | 06/28/2025 | 2025 SD Summer Starter | |
| 1329 | Diamond Goetz | 52.68 | 10 | B Min | BB: 49.69 (+2.99s | 5.7%) | Fenix Swim Club | 01/17/2026 | 2026 Azura Winter Open LCM Invite | |
| 1330 | Hazel Eaton | 52.69 | 10 | B Min | BB: 49.69 (+3.00s | 5.7%) | AC Swim Club | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 1331 | Amelia Feng | 52.69 | 9 | B Min | BB: 49.69 (+3.00s | 5.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 1332 | Mia Miller | 52.70 | 9 | B Min | BB: 49.69 (+3.01s | 5.7%) | Jbarracudas Swim Team | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | |
| 1333 | Ivy Peterson | 52.70 | 8 | B Min | BB: 49.69 (+3.01s | 5.7%) | Edina Swim Club | 07/23/2025 | 2025 MN NSAC 10 U LC State Championship | |
| 1334 | Emery Larsen | 52.70 | 10 | B Min | BB: 49.69 (+3.01s | 5.7%) | Apex | 06/06/2025 | 2025 CST Summer Invitational | |
| 1335 | Sophia Wang | 52.71 | 9 | B Min | BB: 49.69 (+3.02s | 5.7%) | Alamo Area Aquatic Association | 07/25/2025 | 2025 ST AAAA NE LC End Of Season Splash | |
| 1336 | Cordelia Allen | 52.72 | 9 | B Min | BB: 49.69 (+3.03s | 5.7%) | Utah Valley Aquatics | 08/01/2025 | 2025 LC Beehive Finale | |
| 1337 | Valentina Saenz | 52.72 | 8 | B Min | BB: 49.69 (+3.03s | 5.7%) | West Florida Lightning Aquatic | 05/16/2025 | 2025 SAINT PETE S 2nd LONG COURSE MEET | |
| 1338 | Ally Liu | 52.73 | 9 | B Min | BB: 49.69 (+3.04s | 5.8%) | Life Time Oregon Swim Team | 06/06/2025 | 2025 THSC June Invitational | |
| 1339 | Whittaker Gold | 52.74 | 7 | B Min | BB: 49.69 (+3.05s | 5.8%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 1340 | Addison Brown | 52.74 | 8 | B Min | BB: 49.69 (+3.05s | 5.8%) | Lewis Clark Neptune Swim Team | 07/05/2025 | Pendleton Open 2025 | |
| 1341 | Payton Kuhn | 52.75 | 9 | B Min | BB: 49.69 (+3.06s | 5.8%) | Swim Florida | 05/23/2025 | 2025 T2 Aquatics Norris Foundation LC Meet | |
| 1342 | Ivy Dittman | 52.76 | 9 | B Min | BB: 49.69 (+3.07s | 5.8%) | Apex | 06/06/2025 | 2025 CST Summer Invitational | |
| 1343 | Isabella Lanfranco | 52.76 | 9 | B Min | BB: 49.69 (+3.07s | 5.8%) | Tsunamis Swim Team | 01/16/2026 | January Central Park Series | |
| 1344 | Kenley Nagel | 52.76 | 10 | B Min | BB: 49.69 (+3.07s | 5.8%) | Edina Swim Club | 06/13/2025 | 2025 MN NSAC Summer Slam Invite | |
| 1345 | Mary Lumpkins | 52.78 | 8 | B Min | BB: 49.69 (+3.09s | 5.9%) | Southwest Stars Swim Club | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 1346 | Sharon Alozie-Obuh | 52.78 | 10 | B Min | BB: 49.69 (+3.09s | 5.9%) | Denver Swim Academy | 06/19/2025 | 2025 CO ACES Summer Invite | |
| 1347 | Juliet Schafer | 52.78 | 9 | B Min | BB: 49.69 (+3.09s | 5.9%) | Boise YMCA Swim Team | 07/05/2025 | Pendleton Open 2025 | |
| 1348 | Alexandra Zhou | 52.78 | 8 | B Min | BB: 49.69 (+3.09s | 5.9%) | Brownsville Aquatics | 05/17/2025 | 2025 ST LC BAS May Swim Meet | |
| 1349 | McKenzie Phillips | 52.78 | 8 | B Min | BB: 49.69 (+3.09s | 5.9%) | Denver Athletic Club Swim Team | 06/27/2025 | 2025 CO Zone 2 DU Meet | |
| 1350 | Lily Sun | 52.78 | 8 | B Min | BB: 49.69 (+3.09s | 5.9%) | Cascade Swim Club | 04/25/2025 | 2025 PN KING Spring Derby | |
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.