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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1401 | Elisa Wang | 51.42 | 9 | B Min | BB: 49.69 (+1.73s | 3.4%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 1402 | Scarlett Wyman | 51.43 | 9 | B Min | BB: 49.69 (+1.74s | 3.4%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 1403 | Brinsly Johnson | 51.43 | 7 | B Min | BB: 49.69 (+1.74s | 3.4%) | Hastings Area Swim Team | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 1404 | Hannah Kotilinek | 51.44 | 9 | B Min | BB: 49.69 (+1.75s | 3.4%) | Wright County Wave Swim Club | 07/18/2025 | 2025 MN TUNA Minnesota Regional Championship | |
| 1405 | Chloe Lin | 51.44 | 10 | B Min | BB: 49.69 (+1.75s | 3.4%) | Los Altos Mountain View Aquati | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 1406 | Summer Polintan | 51.44 | 9 | B Min | BB: 49.69 (+1.75s | 3.4%) | Coronado Swim -team Elite | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 1407 | Zoe Fruhling | 51.46 | 10 | B Min | BB: 49.69 (+1.77s | 3.4%) | Sparks Piranhas Swim Team | 07/12/2025 | 2025 Silver State Championships | |
| 1408 | Janell Johnson | 51.47 | 9 | B Min | BB: 49.69 (+1.78s | 3.5%) | Alamo Area Aquatic Association | 04/10/2026 | Blossom Into Spring 5 | |
| 1409 | Amelia White | 51.47 | 10 | B Min | BB: 49.69 (+1.78s | 3.5%) | H2okie Aquatics | 05/31/2024 | 2024 Virginia Commonwealth Games | |
| 1410 | Iris Wang | 51.47 | 9 | B Min | BB: 49.69 (+1.78s | 3.5%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 1411 | Sadie Cox | 51.49 | 10 | B Min | BB: 49.69 (+1.80s | 3.5%) | Alamo Area Aquatic Association | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 1412 | Yaretzy Perez Rodriguez | 51.49 | 9 | B Min | BB: 49.69 (+1.80s | 3.5%) | Alamo Area Aquatic Association | 05/16/2025 | 2025 ST AAAA NS Salute To The Troops | |
| 1413 | Ashland Johnson | 51.50 | 9 | B Min | BB: 49.69 (+1.81s | 3.5%) | Hillsboro Swim Team | 05/01/2026 | 2026 THSC Spring Invite | |
| 1414 | Margot Ozanus | 51.50 | 9 | B Min | BB: 49.69 (+1.81s | 3.5%) | Sarasota Sharks | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 1415 | Alannah Moore | 51.50 | 10 | B Min | BB: 49.69 (+1.81s | 3.5%) | Hickam Hurricanes | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 1416 | Milena Grees | 51.51 | 10 | B Min | BB: 49.69 (+1.82s | 3.5%) | Gator Swim Club | 05/15/2026 | 2026 FAST May Invite | |
| 1417 | Katherine Bohn | 51.52 | 10 | B Min | BB: 49.69 (+1.83s | 3.6%) | Rochester Swim Club | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 1418 | Elsa Lehner | 51.53 | 10 | B Min | BB: 49.69 (+1.84s | 3.6%) | Alamo Area Aquatic Association | 05/02/2025 | 2025 ST 22nd Annual Cinco De Mayo | |
| 1419 | Melody Yang | 51.53 | 10 | B Min | BB: 49.69 (+1.84s | 3.6%) | Edina Swim Club | 06/13/2025 | 2025 MN NSAC Summer Slam Invite | |
| 1420 | Mia Young | 51.53 | 8 | B Min | BB: 49.69 (+1.84s | 3.6%) | Hillsboro Swim Team | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 1421 | Amber Lou | 51.53 | 9 | B Min | BB: 49.69 (+1.84s | 3.6%) | DeAnza Cupertino Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1422 | Mikaela Portillo | 51.53 | 9 | B Min | BB: 49.69 (+1.84s | 3.6%) | Boerne Elite Aquatics | 05/15/2026 | 2026 ST SRG LCM Bud Dallmann Memorial | |
| 1423 | Kailey Charles | 51.54 | 10 | B Min | BB: 49.69 (+1.85s | 3.6%) | Tampa Y Swimming | 04/11/2026 | 2026 Stingrays Early LCM Season Opener | |
| 1424 | Claire niu | 51.54 | 10 | B Min | BB: 49.69 (+1.85s | 3.6%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1425 | Mackenzie Atkins | 51.54 | 9 | B Min | BB: 49.69 (+1.85s | 3.6%) | Florida West Coast Aquatics | 04/17/2026 | 2026 SAINT PETE S 1st LONG COURSE MEET | |
| 1426 | Eva Saez Oliva | 51.54 | 9 | B Min | BB: 49.69 (+1.85s | 3.6%) | Hurricane Aquatics | 05/15/2026 | 2026 Gulliver LCM Summer Classic | |
| 1427 | Maggie Freundt | 51.55 | 9 | B Min | BB: 49.69 (+1.86s | 3.6%) | Laker Swim | 05/15/2026 | 2026 FAST May Invite | |
| 1428 | Catherine Proctor | 51.55 | 10 | B Min | BB: 49.69 (+1.86s | 3.6%) | Univ. of Denver Hilltoppers | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 1429 | Alexis Griffin | 51.56 | 9 | B Min | BB: 49.69 (+1.87s | 3.6%) | Quest Swimming | 06/14/2024 | SwimRVA Summer Invitational | |
| 1430 | Avnitha Mocherla | 51.58 | 9 | B Min | BB: 49.69 (+1.89s | 3.7%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1431 | Sailor LI | 51.58 | 8 | B Min | BB: 49.69 (+1.89s | 3.7%) | San Ramon Valley Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 1432 | Noelle Liang | 51.59 | 9 | B Min | BB: 49.69 (+1.90s | 3.7%) | Otter Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 1433 | Elyse Lee | 51.59 | 9 | B Min | BB: 49.69 (+1.90s | 3.7%) | Daly City Dolphins | 06/06/2025 | BAC C B A Meet | |
| 1434 | Felix Tobias | 51.60 | 10 | B Min | BB: 49.69 (+1.91s | 3.7%) | Heartland Swim Assoc | 06/20/2025 | 2025 SI SPLASH AND DASH | |
| 1435 | Kali Joseph | 51.61 | 9 | B Min | BB: 49.69 (+1.92s | 3.7%) | Pikes Peak Athletics | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 1436 | Bristol Glass | 51.62 | 10 | B Min | BB: 49.69 (+1.93s | 3.7%) | Quest Swimming | 05/04/2024 | BASS Jim Frye Memorial Invitational May 202 | |
| 1437 | Madison Sublett | 51.62 | 10 | B Min | BB: 49.69 (+1.93s | 3.7%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 1438 | Charlotte Bobic | 51.63 | 10 | B Min | BB: 49.69 (+1.94s | 3.8%) | Sioux Falls Swim Team | 06/27/2025 | 2025 SD SFST Sanford Invite | |
| 1439 | Santana Velasquez | 51.63 | 10 | B Min | BB: 49.69 (+1.94s | 3.8%) | Las Animas Trofins | 07/12/2025 | 2025 Canon City Pentathlon | |
| 1440 | Elise Tremolet de Villers | 51.63 | 9 | B Min | BB: 49.69 (+1.94s | 3.8%) | North Jeffco Swim Team | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 1441 | Macee Voges | 51.64 | 10 | B Min | BB: 49.69 (+1.95s | 3.8%) | South Davis Aquatics Team | 07/06/2025 | 2025 CHAT LC Last Chance Tri Meet | |
| 1442 | Della Rosser | 51.64 | 8 | B Min | BB: 49.69 (+1.95s | 3.8%) | Puget Sound Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1443 | Olivia Welch | 51.65 | 9 | B Min | BB: 49.69 (+1.96s | 3.8%) | Winchester Swim Team | 11/05/2025 | Winchester Swim Team Intra Squad Meet | |
| 1444 | Abigail Forster | 51.66 | 10 | B Min | BB: 49.69 (+1.97s | 3.8%) | Terrapins Swim Team | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 1445 | Amy Zhang | 51.66 | 10 | B Min | BB: 49.69 (+1.97s | 3.8%) | Quicksilver Swimming | 05/22/2024 | Zone 1S Micro Meet SJ1 (Host QSS) | |
| 1446 | Manyu Zhao | 51.66 | 8 | B Min | BB: 49.69 (+1.97s | 3.8%) | Waterloo Swimming | 04/19/2026 | 2026 ST WLOO Classic | |
| 1447 | Lydia Kingery | 51.67 | 9 | B Min | BB: 49.69 (+1.98s | 3.8%) | Tide Swimming | 07/11/2024 | 2024 VSI Regional Summer Awards | |
| 1448 | Margaret Tashima | 51.67 | 8 | B Min | BB: 49.69 (+1.98s | 3.8%) | Foxjets Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 1449 | Landon Day | 51.67 | 9 | B Min | BB: 49.69 (+1.98s | 3.8%) | Bend Swim Club | 05/02/2025 | Bend Swim Club May Invitational | |
| 1450 | Maria Ivanskaya | 51.68 | 10 | B Min | BB: 49.69 (+1.99s | 3.9%) | King Aquatic 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.