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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4651 | Agnes McLachlan | 45.44 | 9 | B Min | BB: 43.29 (+2.15s | 4.7%) | YMCA of the Triangle Area Swim | 02/13/2026 | Speedo 2026 MOR Short Course Qualifier Meet | |
| 4652 | Audrey Turner | 45.44 | 8 | B Min | BB: 43.29 (+2.15s | 4.7%) | YMCA of Middletown Barracudas | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4653 | Aria Tucker | 45.44 | 10 | B Min | BB: 43.29 (+2.15s | 4.7%) | Smithfield YMCA Dolphins | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 4654 | Olivia Lopez | 45.44 | 9 | B Min | BB: 43.29 (+2.15s | 4.7%) | Bethesda-Chevy Chase YMCA | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 4655 | Emma Henderson | 45.44 | 9 | B Min | BB: 43.29 (+2.15s | 4.7%) | Frederick Area Swim Team | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 4656 | Camila Montero | 45.44 | 9 | B Min | BB: 43.29 (+2.15s | 4.7%) | Sea to Desert Swim Association | 02/07/2025 | 2025 SI SDSA All Ages A BB | |
| 4657 | Nadia Herring | 45.44 | 10 | B Min | BB: 43.29 (+2.15s | 4.7%) | Las Cruces Aquatic Team | 09/20/2026 | 2026 BD Del Norte #1 | |
| 4658 | Liuyu Wang | 45.44 | 10 | B Min | BB: 43.29 (+2.15s | 4.7%) | Belmont Aquatic Team | 01/09/2026 | 2026 NE CRA New Year Distance And Specialty | |
| 4659 | Elsa Frohlich | 45.44 | 9 | B Min | BB: 43.29 (+2.15s | 4.7%) | Northern Dutchess Aquatic Club | 03/27/2026 | 2026 MR Metro Bronze Championship North | |
| 4660 | Kaelyn Kyaing | 45.44 | 9 | B Min | BB: 43.29 (+2.15s | 4.7%) | YMCA of the North Shore Sharks | 12/05/2025 | 2025 NE YNS Reid Sacco Prelims Finals Invite | |
| 4661 | Aileen Montazeri | 45.44 | 10 | B Min | BB: 43.29 (+2.15s | 4.7%) | YMCA of Metro North Tritons | 06/06/2026 | 2026 NE NSSC June Invitational @ SJP | |
| 4662 | Avery Lehman | 45.44 | 9 | B Min | BB: 43.29 (+2.15s | 4.7%) | AC Swim Club | 10/03/2026 | Neptune Swimming Fall Classic | |
| 4663 | Elisabeth Hoffmann | 45.45 | 8 | B Min | BB: 43.29 (+2.16s | 4.8%) | Badger Swim Club,Inc. | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 4664 | Makenzie Smeaton | 45.45 | 10 | B Min | BB: 43.29 (+2.16s | 4.8%) | Tom Taylor Family YMCA | 01/24/2026 | 2026 WA State Y Championship Meet | |
| 4665 | Ainsley Sylvain | 45.45 | 9 | B Min | BB: 43.29 (+2.16s | 4.8%) | Lakeshore Swim Club | 02/19/2026 | 2026 OH Cleveland SC Regional Championships | |
| 4666 | Riley Cavanaugh | 45.45 | 10 | B Min | BB: 43.29 (+2.16s | 4.8%) | Riptide Swim Team (Uss) | 11/07/2025 | 2025 FXFX Loughmiller Memorial | |
| 4667 | Jocelyn Williams | 45.46 | 9 | B Min | BB: 43.29 (+2.17s | 4.8%) | Huntington YMCA Bluefish | 11/14/2025 | 2025 MR COND November IMX Invitational | |
| 4668 | Allison St. Rock | 45.46 | 9 | B Min | BB: 43.29 (+2.17s | 4.8%) | Storrs Aquatics | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 4669 | Shannon Halverson | 45.46 | 9 | B Min | BB: 43.29 (+2.17s | 4.8%) | Magic Valley Marlins | 12/20/2025 | 2025 BY Candy Cane Invitational | |
| 4670 | Leonor Bonetti | 45.46 | 9 | B Min | BB: 43.29 (+2.17s | 4.8%) | The Capitol Sea Devils | 01/24/2026 | 2026 SDS Polar Bear Invitational | |
| 4671 | Alexis King | 45.46 | 8 | B Min | BB: 43.29 (+2.17s | 4.8%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 4672 | Josephine Ormberg | 45.46 | 10 | B Min | BB: 43.29 (+2.17s | 4.8%) | Yakima YMCA Swim Team | 10/10/2026 | SWAT Fall Challenge 2026 | |
| 4673 | Winnie Mancuso | 45.47 | 9 | B Min | BB: 43.29 (+2.18s | 4.8%) | Gold Medal Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 4674 | Sofie Peak | 45.47 | 8 | B Min | BB: 43.29 (+2.18s | 4.8%) | Falfins Swimming | 12/19/2025 | 2025 CO Falfins Holiday Open | |
| 4675 | Emma Zhao | 45.47 | 10 | B Min | BB: 43.29 (+2.18s | 4.8%) | Long Island Aquatic Club | 10/04/2025 | 2025 MR LIAC Fast Fall Invitational | |
| 4676 | Bailey Courtney | 45.47 | 9 | B Min | BB: 43.29 (+2.18s | 4.8%) | Middle Tennessee Swim Club | 12/13/2025 | 2025 Marshmallow Mini | |
| 4677 | Peyton Fournier | 45.47 | 9 | B Min | BB: 43.29 (+2.18s | 4.8%) | Golden West Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 4678 | Simone Murray | 45.47 | 9 | B Min | BB: 43.29 (+2.18s | 4.8%) | Jupiter Dragons Swim Team | 09/12/2026 | LLL ALmost Fall Invite 91226 | |
| 4679 | Claire Zhang | 45.48 | 9 | B Min | BB: 43.29 (+2.19s | 4.8%) | Wasatch Front Fish Market | 11/12/2025 | WFFM November Developmental | |
| 4680 | Sadie Givens | 45.48 | 10 | B Min | BB: 43.29 (+2.19s | 4.8%) | Huntsville Swim Association | 02/06/2026 | 2026 SES Region 3 Champions | |
| 4681 | Ellie Kraft | 45.48 | 9 | B Min | BB: 43.29 (+2.19s | 4.8%) | Heartland Swim Assoc | 05/03/2026 | Mission Valley YMCA Rising Stars 1 | |
| 4682 | Madison Koehn | 45.48 | 7 | B Min | BB: 43.29 (+2.19s | 4.8%) | Monocacy Aquatic Club | 03/21/2026 | 2026 Maryland 8 Under Championship Meet | |
| 4683 | Olivia Ochoa | 45.48 | 9 | B Min | BB: 43.29 (+2.19s | 4.8%) | Tac Titans | 05/02/2026 | 2026 TAC TITANS Oceanus Challenge Meet | |
| 4684 | Emma Ladd | 45.48 | 9 | B Min | BB: 43.29 (+2.19s | 4.8%) | Carrollwood Village Swim Team | 10/09/2026 | 2026 GTSA TYR Swim Classic | |
| 4685 | Sophia Long | 45.48 | 10 | B Min | BB: 43.29 (+2.19s | 4.8%) | Nitro Swimming | 09/18/2026 | 2026 ST AQTX Round Rock Unclassified | |
| 4686 | Eleanor Wight | 45.48 | 10 | B Min | BB: 43.29 (+2.19s | 4.8%) | Fairport Area Swim Team | 10/10/2026 | 2026 Super STAR Series #1 | |
| 4687 | Emma Grzanka | 45.48 | 9 | B Min | BB: 43.29 (+2.19s | 4.8%) | Swimchester Sailfish | 10/16/2026 | Ryan Moore Invitational | |
| 4688 | Molli Praksti | 45.49 | 10 | B Min | BB: 43.29 (+2.20s | 4.8%) | Flint YMCA Falcons | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 4689 | Willa Kline | 45.49 | 9 | B Min | BB: 43.29 (+2.20s | 4.8%) | First Colony Swim Team, Inc. | 11/08/2024 | Sharks November Invitational | |
| 4690 | Avery Cardone | 45.49 | 8 | B Min | BB: 43.29 (+2.20s | 4.8%) | Pine Bush Piranhas | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 4691 | Maya Hall | 45.49 | 10 | B Min | BB: 43.29 (+2.20s | 4.8%) | South San Francisco Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 4692 | Sydney Pho | 45.49 | 9 | B Min | BB: 43.29 (+2.20s | 4.8%) | Gold\\\\\\'s Aquatics Club | 09/26/2026 | 2026 PN IST Sockeye Sprints Approved | |
| 4693 | Emmerson Cotton | 45.49 | 8 | B Min | BB: 43.29 (+2.20s | 4.8%) | Excel Aquatics | 10/23/2026 | 2026 Pumpkin Spice Splash | |
| 4694 | Quincy Ryan | 45.50 | 9 | B Min | BB: 43.29 (+2.21s | 4.9%) | Webbs Tornadoes Swim Team | 05/15/2026 | 2026 NE CCSC Medley Mayhem At Sandwich High | |
| 4695 | Siyana Pavlov | 45.50 | 10 | B Min | BB: 43.29 (+2.21s | 4.9%) | Wellington Storm | 10/02/2026 | Mike Horgan 2026 | |
| 4696 | Ivy Su | 45.50 | 9 | B Min | BB: 43.29 (+2.21s | 4.9%) | Alto Swim Club | 10/24/2026 | BAC SPOOKY FALL CLASSIC | |
| 4697 | Quinn Lawrie | 45.51 | 9 | B Min | BB: 43.29 (+2.22s | 4.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 4698 | Olivia Forger | 45.51 | 9 | B Min | BB: 43.29 (+2.22s | 4.9%) | Club Wolverine | 02/21/2026 | 2026 CW Goldfish Invite | |
| 4699 | Eloise Opferman | 45.51 | 9 | B Min | BB: 43.29 (+2.22s | 4.9%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/22/2025 | 2025 Royal Fall Cup | |
| 4700 | Sawyer Roe | 45.51 | 8 | B Min | BB: 43.29 (+2.22s | 4.9%) | Swim Gators Str | 03/07/2026 | 2026 Lake Huron Regional Meet | |
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.