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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1401 | Lillian Potts | 39.36 | 10 | BB Min | A: 37.99 (+1.37s | 3.5%) | Tiger Shark of Texas | 11/07/2025 | 2025 ST SCY Surge Shark Sizzler | |
| 1402 | Piper MacNicol | 39.36 | 10 | BB Min | A: 37.99 (+1.37s | 3.5%) | Waves Of Wilmington Inc | 04/17/2026 | 2026 Spring Showers NSEA V WOW Dual Meet | |
| 1403 | Emma Kahler | 39.36 | 10 | BB Min | A: 37.99 (+1.37s | 3.5%) | Orange Beach Swim Team | 02/13/2026 | 2026 SES Region 4 Championships | |
| 1404 | Macklin McAlister | 39.37 | 10 | BB Min | A: 37.99 (+1.38s | 3.5%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 02/27/2026 | 2026 Junior Cup | |
| 1405 | Charlotte Bobic | 39.38 | 10 | BB Min | A: 37.99 (+1.39s | 3.5%) | Sioux Falls Swim Team | 02/20/2026 | 2026 SD 12 Under Short Course State A Champ | |
| 1406 | Olivia Diaz-Pease | 39.38 | 10 | BB Min | A: 37.99 (+1.39s | 3.5%) | Santa Clara Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 1407 | Katherine Thurman | 39.38 | 10 | BB Min | A: 37.99 (+1.39s | 3.5%) | Nova of Virginia | 03/21/2026 | NOVA Short Course Send Off 2026 | |
| 1408 | Stella Scibelli | 39.38 | 9 | BB Min | A: 37.99 (+1.39s | 3.5%) | East Coast Aquatic Team | 03/28/2026 | ECAT March 2026 Invitational Copied | |
| 1409 | Chelsea Smithco | 39.39 | 10 | BB Min | A: 37.99 (+1.40s | 3.6%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 1410 | Kaitlin Schaefer | 39.39 | 10 | BB Min | A: 37.99 (+1.40s | 3.6%) | Long Island Aquatic Club | 11/21/2025 | 2025 MR LIAC Thanksgiving Invite | |
| 1411 | Amelia O'Donnell | 39.39 | 10 | BB Min | A: 37.99 (+1.40s | 3.6%) | Kent County YMCA | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 1412 | Ariana Grbovic | 39.39 | 10 | BB Min | A: 37.99 (+1.40s | 3.6%) | Monocacy Aquatic Club | 11/01/2025 | 2025 Bridget Vache Memorial MAC Fall Frenzy | |
| 1413 | Kate Lester | 39.40 | 10 | BB Min | A: 37.99 (+1.41s | 3.6%) | Buckeye Swim Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1414 | Zureena Hughes | 39.40 | 10 | BB Min | A: 37.99 (+1.41s | 3.6%) | Tnt Swimming | 01/16/2026 | 2026 GPAC Winter Invitational | |
| 1415 | Eliana Chan | 39.40 | 10 | BB Min | A: 37.99 (+1.41s | 3.6%) | Pleasanton Seahawks | 04/09/2026 | 2026 Far Western SC Hosted By SCSC | |
| 1416 | Aya Sharif | 39.41 | 10 | BB Min | A: 37.99 (+1.42s | 3.6%) | Charles River Aquatics | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 1417 | Clare Bernard | 39.41 | 10 | BB Min | A: 37.99 (+1.42s | 3.6%) | Metro Marlins Swim Team | 02/07/2026 | 2026 MN WEST EXPRESS LAST CHANCE MEET | |
| 1418 | Callie Ballard | 39.41 | 10 | BB Min | A: 37.99 (+1.42s | 3.6%) | Marlins Of Raleigh | 02/13/2026 | Speedo 2026 MOR Short Course Qualifier Meet | |
| 1419 | Sara Buckner | 39.41 | 10 | BB Min | A: 37.99 (+1.42s | 3.6%) | Karishim Swim Club | 01/16/2026 | 2026 NE CRIM Bronze Championship | |
| 1420 | Towela Sebit | 39.41 | 10 | BB Min | A: 37.99 (+1.42s | 3.6%) | Houston Hydra | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 1421 | Zoey Najor | 39.42 | 9 | BB Min | A: 37.99 (+1.43s | 3.6%) | Motor City Aquatics | 01/16/2026 | 2026 Odd Age Classic | |
| 1422 | Gabrielle Sandler | 39.42 | 10 | BB Min | A: 37.99 (+1.43s | 3.6%) | Farmingdale Aquatics | 01/10/2026 | 2026 MR FA Iron Dragon Invitational | |
| 1423 | ViMoon Pham | 39.44 | 10 | BB Min | A: 37.99 (+1.45s | 3.7%) | Spartan Aquatic Club | 02/14/2026 | SAC Winter Classic | |
| 1424 | Arden Lee | 39.44 | 10 | BB Min | A: 37.99 (+1.45s | 3.7%) | Rosemead Rapids | 12/13/2024 | 2024 CA GWSC SCS WAG | |
| 1425 | Stella Norton | 39.44 | 10 | BB Min | A: 37.99 (+1.45s | 3.7%) | Red Wing Swim Club | 03/27/2026 | 2026 MN RWSC Fall Winter Mini Meet Champs | |
| 1426 | Grace Cremins | 39.44 | 10 | BB Min | A: 37.99 (+1.45s | 3.7%) | Long Island Express | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 1427 | Amy Cui | 39.44 | 10 | BB Min | A: 37.99 (+1.45s | 3.7%) | Aquajets Swim Team | 01/24/2026 | 2026 MN AQJT Winter Invite | |
| 1428 | Kiley Joseph | 39.45 | 10 | BB Min | A: 37.99 (+1.46s | 3.7%) | Long Island Aquatic Club | 11/21/2025 | 2025 MR LIAC Thanksgiving Invite | |
| 1429 | Addison Pitz | 39.45 | 9 | BB Min | A: 37.99 (+1.46s | 3.7%) | Sioux Falls Swim Team | 01/23/2026 | SFST SD 2026 January Invite | |
| 1430 | Madison Fogarty | 39.45 | 10 | BB Min | A: 37.99 (+1.46s | 3.7%) | Crimson Aquatics | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 1431 | Claire Peterson | 39.46 | 9 | BB Min | A: 37.99 (+1.47s | 3.7%) | Amherst Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1432 | Laila Williams | 39.46 | 8 | BB Min | A: 37.99 (+1.47s | 3.7%) | Riptide Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 1433 | Megan Xiao | 39.46 | 9 | BB Min | A: 37.99 (+1.47s | 3.7%) | Xtreme Swim Club | 01/09/2026 | 2026 NE NSSC January 9 11 BC Meet | |
| 1434 | Chloe Lin | 39.46 | 10 | BB Min | A: 37.99 (+1.47s | 3.7%) | Los Altos Mountain View Aquati | 03/07/2026 | 2026 PASA Last Chance For JO S | |
| 1435 | Emma Yarbrough | 39.46 | 8 | BB Min | A: 37.99 (+1.47s | 3.7%) | Fast Falcons | 01/30/2026 | 2026 FAST February Helping Hands Invite | |
| 1436 | Bonnie Boon | 39.46 | 10 | BB Min | A: 37.99 (+1.47s | 3.7%) | Tac Titans | 03/25/2026 | 2026 TAC TITANS Tarheel States Meet | |
| 1437 | Isadora Fain | 39.47 | 10 | BB Min | A: 37.99 (+1.48s | 3.7%) | Layton Surfers | 10/24/2025 | SSC Witchy Waters 2025 | |
| 1438 | Hadley Tomkowicz | 39.47 | 10 | BB Min | A: 37.99 (+1.48s | 3.7%) | Champlain Valley Swim Academy- | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1439 | Cora Platt | 39.47 | 10 | BB Min | A: 37.99 (+1.48s | 3.7%) | YMCA of Virginia\\\\\\'s Blue Ridge | 01/02/2026 | 2026 LY Winter Invitational | |
| 1440 | Leah Zhang | 39.47 | 9 | BB Min | A: 37.99 (+1.48s | 3.7%) | Mount Carmel Force Aquatics | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1441 | Angelina Workman | 39.47 | 10 | BB Min | A: 37.99 (+1.48s | 3.7%) | Naval Academy Aquatic Club | 12/11/2025 | 2025 East Coast WinterFest | |
| 1442 | Marilyn French | 39.48 | 9 | BB Min | A: 37.99 (+1.49s | 3.8%) | Old Dominion Aquatic Club | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1443 | Sophia Rusu | 39.49 | 10 | BB Min | A: 37.99 (+1.50s | 3.8%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 1444 | Ava Lee | 39.49 | 10 | BB Min | A: 37.99 (+1.50s | 3.8%) | Twisters Swim Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 1445 | Ashleigh Wuchter | 39.50 | 10 | BB Min | A: 37.99 (+1.51s | 3.8%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 1446 | Vaidehi Bharadwaj | 39.50 | 10 | BB Min | A: 37.99 (+1.51s | 3.8%) | Pro Swimming | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 1447 | Catherine Ye | 39.50 | 10 | BB Min | A: 37.99 (+1.51s | 3.8%) | Commonwealth Swimming | 06/06/2026 | 2026 NE NSSC June Invitational @ SJP | |
| 1448 | Sophia Rullmann | 39.51 | 10 | BB Min | A: 37.99 (+1.52s | 3.8%) | McCallie-GPS Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 1449 | Natalie Camfferman | 39.51 | 10 | BB Min | A: 37.99 (+1.52s | 3.8%) | Castle Rock Swimming | 02/20/2026 | 2026 CO PPA February Frenzy Last Chance Meet | |
| 1450 | Piper Sheehan | 39.51 | 10 | BB Min | A: 37.99 (+1.52s | 3.8%) | Deadwood/Lead 76ers | 02/21/2025 | 2025 12 U Short Course State A 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.