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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1351 | Molly Jeffers | 46.29 | 10 | BB Min | A: 43.59 (+2.70s | 5.8%) | Blazing Barracudas | 07/24/2025 | 2025 LE Age Group And Senior LC Championships | |
| 1352 | Madison Cobb | 46.29 | 9 | BB Min | A: 43.59 (+2.70s | 5.8%) | Crimson Aquatics | 05/08/2026 | 2026 NE CRA MIT Team Specialty LC Meet | |
| 1353 | Catherine Tolokh | 46.29 | 9 | BB Min | A: 43.59 (+2.70s | 5.8%) | Charles River Aquatics | 06/26/2026 | 2026 NE SUN Summer Solstice | |
| 1354 | Keira Hunter | 46.30 | 9 | BB Min | A: 43.59 (+2.71s | 5.9%) | Planet Swim Aquatics | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 1355 | Samantha Garcia | 46.30 | 9 | BB Min | A: 43.59 (+2.71s | 5.9%) | Rattlers Swim Club | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 1356 | Anderson Drozd | 46.31 | 10 | BB Min | A: 43.59 (+2.72s | 5.9%) | Lowes YMCA Lightning Swim Team | 05/02/2026 | ATOM May The Force 2026 | |
| 1357 | Emma Roberts | 46.32 | 10 | BB Min | A: 43.59 (+2.73s | 5.9%) | Life Time Colorado Swim Club | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 1358 | Megan Chang | 46.32 | 10 | BB Min | A: 43.59 (+2.73s | 5.9%) | Nitro Swimming | 06/20/2026 | 2026 ST NTRO LC Summer Classic | |
| 1359 | Veliane Amoah | 46.32 | 10 | BB Min | A: 43.59 (+2.73s | 5.9%) | YMCA of Greater Nashua Storm | 05/15/2026 | 2026 NE YNS May Specialty Meet | |
| 1360 | Avery Lao | 46.33 | 10 | BB Min | A: 43.59 (+2.74s | 5.9%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 1361 | Riley Knightly | 46.33 | 10 | BB Min | A: 43.59 (+2.74s | 5.9%) | Frederick Area Swim Team | 05/29/2026 | 2026 FOX Speedo Summer Spectacular Meet | |
| 1362 | Sailor Li | 46.33 | 8 | BB Min | A: 43.59 (+2.74s | 5.9%) | San Ramon Valley Aquatics | 06/27/2026 | NVST Summer Plunge 2026 | |
| 1363 | Jillian Parkin | 46.33 | 9 | BB Min | A: 43.59 (+2.74s | 5.9%) | Chinook Aquatic Club | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 1364 | Makenzie Stark | 46.34 | 10 | BB Min | A: 43.59 (+2.75s | 5.9%) | Nashville Aquatic Club | 05/16/2026 | NAC LC May Classic | |
| 1365 | Baileigh Martin | 46.34 | 9 | BB Min | A: 43.59 (+2.75s | 5.9%) | Northglenn Fusion Swim Club | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 1366 | Nellie Nareedokmai | 46.34 | 10 | BB Min | A: 43.59 (+2.75s | 5.9%) | Jcc Sailfish | 06/12/2025 | Holtrey Summer Classic | |
| 1367 | Amelia Nagle | 46.35 | 10 | BB Min | A: 43.59 (+2.76s | 6.0%) | Planet Swim Aquatics | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 1368 | Lainn Carter | 46.35 | 10 | BB Min | A: 43.59 (+2.76s | 6.0%) | Helios | 05/08/2026 | 2026 Cyrus Blakney Memorial A May Zing Meet | |
| 1369 | Ruby Randazzo | 46.35 | 10 | BB Min | A: 43.59 (+2.76s | 6.0%) | SwimMAC Carolina | 06/26/2026 | Sharks Aquatic Club Last Chance Qualifier | |
| 1370 | Alaina O'Connor | 46.35 | 9 | BB Min | A: 43.59 (+2.76s | 6.0%) | Coast Aquatics | 05/02/2026 | 2026 GPAC Flip Flop Invitational | |
| 1371 | Lily Delgross | 46.35 | 9 | BB Min | A: 43.59 (+2.76s | 6.0%) | North Carolina Aquatic Club | 06/25/2026 | ONSA Independence Invitational Copied | |
| 1372 | Carson Ellis | 46.35 | 10 | BB Min | A: 43.59 (+2.76s | 6.0%) | Occoquan Swimming | 06/05/2026 | HNVR Storm Surge 2026 | |
| 1373 | Skye Young | 46.36 | 9 | BB Min | A: 43.59 (+2.77s | 6.0%) | Cerritos Aquatic Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 1374 | Sofia Drury Deza | 46.36 | 10 | BB Min | A: 43.59 (+2.77s | 6.0%) | Aulea Swim Club | 06/06/2026 | 2026 15th Annual Wada Rainbow Invitational | |
| 1375 | Grace Green | 46.36 | 10 | BB Min | A: 43.59 (+2.77s | 6.0%) | Stingray Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 1376 | Analeigh Wilson | 46.36 | 10 | BB Min | A: 43.59 (+2.77s | 6.0%) | Swim Streamline at Northampton | 06/11/2026 | 2026 ST NIST George Block Invitational | |
| 1377 | Eleanor Masson | 46.36 | 10 | BB Min | A: 43.59 (+2.77s | 6.0%) | Old Dominion Aquatic Club | 07/11/2024 | 2024 VSI Regional Summer Awards | |
| 1378 | Rayna Liechti | 46.36 | 10 | BB Min | A: 43.59 (+2.77s | 6.0%) | Williamsburg Aquatic Club | 05/02/2026 | BASS Jim Frye Memorial Invitational May 2026 | |
| 1379 | Gabriella Vallerotto Quiros | 46.38 | 9 | BB Min | A: 43.59 (+2.79s | 6.0%) | Bolles School Sharks | 06/18/2026 | 2026 June Classic | |
| 1380 | Lillian Dean | 46.38 | 10 | BB Min | A: 43.59 (+2.79s | 6.0%) | Voltage Aquatics | 06/07/2025 | Summer Classics 2025 | |
| 1381 | Rubie Bytwork | 46.38 | 8 | BB Min | A: 43.59 (+2.79s | 6.0%) | Rockford Riptide | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 1382 | Sierra Carr | 46.38 | 10 | BB Min | A: 43.59 (+2.79s | 6.0%) | Rancho San Dieguito | 07/24/2025 | 2025 SI LC AG CHAMPS | |
| 1383 | Cristiana Neofytou | 46.39 | 9 | BB Min | A: 43.59 (+2.80s | 6.0%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 1384 | Hazel Rivers | 46.39 | 10 | BB Min | A: 43.59 (+2.80s | 6.0%) | Foxjets Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 1385 | Cora Fogg | 46.40 | 8 | BB Min | A: 43.59 (+2.81s | 6.1%) | North Lexington YMCA | 06/26/2026 | 2026 Colonel Summer Classic Copied | |
| 1386 | Avery Eash | 46.40 | 10 | BB Min | A: 43.59 (+2.81s | 6.1%) | Palo Alto Stanford Aquatics | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 1387 | Piper Rhodenizer | 46.40 | 10 | BB Min | A: 43.59 (+2.81s | 6.1%) | Cavalier Aquatics/Piedmont Fam | 06/11/2026 | NOVA 2026 Virginia Commonwealth Games | |
| 1388 | Ellie Downs | 46.40 | 10 | BB Min | A: 43.59 (+2.81s | 6.1%) | Northeast Family YMCA | 05/15/2026 | 2026 Triton Summer Launch | |
| 1389 | Elsa Nordstrom | 46.40 | 9 | BB Min | A: 43.59 (+2.81s | 6.1%) | Raleigh Swimming Association | 06/13/2026 | 2026 MOR Liberty Meet | |
| 1390 | Evelyn Ye | 46.41 | 10 | BB Min | A: 43.59 (+2.82s | 6.1%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 1391 | Serena Murphy | 46.42 | 10 | BB Min | A: 43.59 (+2.83s | 6.1%) | Nova of Virginia | 04/17/2026 | NOVA Long Course Kick Off | |
| 1392 | Caroline Velez | 46.42 | 10 | BB Min | A: 43.59 (+2.83s | 6.1%) | Swim Tampa Aquatics | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 1393 | Alana Duffy | 46.43 | 10 | BB Min | A: 43.59 (+2.84s | 6.1%) | Punahou Aquatics Institute | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 1394 | Addison Burns | 46.43 | 9 | BB Min | A: 43.59 (+2.84s | 6.1%) | Blue Dolfins | 05/15/2026 | 2026 PA Long Course Invite | |
| 1395 | Laila Williams | 46.43 | 8 | BB Min | A: 43.59 (+2.84s | 6.1%) | Riptide Swim Team | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 1396 | Avery Peck | 46.43 | 10 | BB Min | A: 43.59 (+2.84s | 6.1%) | Terrapins Swim Team | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 1397 | Elliana Rudebusch | 46.43 | 9 | BB Min | A: 43.59 (+2.84s | 6.1%) | Piranhas Swim Club | 06/05/2026 | 2026 MN NSAC Summer Invite | |
| 1398 | Ahana Desai | 46.44 | 10 | BB Min | A: 43.59 (+2.85s | 6.1%) | Episcopal AmberJax | 06/26/2026 | 2026 Planet Swim Summer Championships | |
| 1399 | Eleanor Andersen | 46.44 | 10 | BB Min | A: 43.59 (+2.85s | 6.1%) | Aquawolves Swimming | 05/23/2026 | 2026 CO CUDA Vs AQUA Dual | |
| 1400 | Vanessa Pham | 46.44 | 9 | BB Min | A: 43.59 (+2.85s | 6.1%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
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.