USA Girls 10 & under - 50 M Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 701 | Sofia Marquez Ruiz | 54.36 | 10 | BB Min | A: 48.79 (+5.57s | 10.2%) | Escualos | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 702 | Whitnee Jacobson | 54.39 | 10 | BB Min | A: 48.79 (+5.60s | 10.3%) | Red Wing Swim Club | 07/18/2025 | 2025 MN MTKA Minnesota Regional Championship | |
| 703 | Charlotte Zanutto | 54.39 | 10 | BB Min | A: 48.79 (+5.60s | 10.3%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 704 | Summer Polintan | 54.40 | 9 | BB Min | A: 48.79 (+5.61s | 10.3%) | Coronado Swim -team Elite | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 705 | Kyla Parnell | 54.40 | 9 | BB Min | A: 48.79 (+5.61s | 10.3%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 706 | Emma Olsen | 54.42 | 10 | BB Min | A: 48.79 (+5.63s | 10.3%) | Fort Collins Area Swim Team | 04/24/2026 | 2026 CO FAST Spring Splash | |
| 707 | Viola Rizzardi | 54.42 | 10 | BB Min | A: 48.79 (+5.63s | 10.3%) | Accokeek Stroke Technique Swim | 08/06/2025 | 2025 Summer Elite Showcase | |
| 708 | Hattie Amsel | 54.43 | 9 | BB Min | A: 48.79 (+5.64s | 10.4%) | Nitro Swimming | 05/09/2026 | 2026 ST NTRO LC School S Out | |
| 709 | Avery Hawk | 54.44 | 9 | BB Min | A: 48.79 (+5.65s | 10.4%) | Pikes Peak Athletics | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 710 | Elizabeth Lieberman | 54.45 | 9 | BB Min | A: 48.79 (+5.66s | 10.4%) | Bolles School Sharks | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 711 | Amanda Wu | 54.45 | 9 | BB Min | A: 48.79 (+5.66s | 10.4%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 712 | Lucie Huntsinger | 54.45 | 10 | BB Min | A: 48.79 (+5.66s | 10.4%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 713 | Jahzara Saunders | 54.47 | 9 | BB Min | A: 48.79 (+5.68s | 10.4%) | Gator Swim Club | 05/15/2026 | 2026 FAST May Invite | |
| 714 | Clare Bernard | 54.47 | 10 | BB Min | A: 48.79 (+5.68s | 10.4%) | Metro Marlins Swim Team | 05/02/2026 | 2026 MN RSC Pentathlon | |
| 715 | Piper McQueen | 54.47 | 10 | BB Min | A: 48.79 (+5.68s | 10.4%) | Apex | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 716 | Keira Hunter | 54.51 | 9 | BB Min | A: 48.79 (+5.72s | 10.5%) | Planet Swim Aquatics | 05/16/2026 | 2026 PSA May Invite | |
| 717 | Pearl Spaugy | 54.52 | 9 | BB Min | A: 48.79 (+5.73s | 10.5%) | Multnomah Athletic Club | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 718 | Arya Coates | 54.52 | 10 | BB Min | A: 48.79 (+5.73s | 10.5%) | The Olympic Club | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 719 | Juliette Maglinti | 54.52 | 9 | BB Min | A: 48.79 (+5.73s | 10.5%) | Warrior Aquatic Club | 05/16/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 720 | Alejandra Garvin | 54.53 | 10 | BB Min | A: 48.79 (+5.74s | 10.5%) | Clovis Swim Club | 06/21/2025 | 2025 FDST June A B Modified LC Invitational | |
| 721 | Lily Berg | 54.53 | 10 | BB Min | A: 48.79 (+5.74s | 10.5%) | Castle Rock Swimming | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 722 | Chloe Solonskyi | 54.54 | 8 | BB Min | A: 48.79 (+5.75s | 10.5%) | SwimRise Aquatics | 04/10/2026 | 2026 April Classic | |
| 723 | Ember Howard | 54.55 | 10 | BB Min | A: 48.79 (+5.76s | 10.6%) | Fast Falcons | 05/15/2026 | 2026 FAST May Invite | |
| 724 | Victoria Aluicio | 54.60 | 9 | BB Min | A: 48.79 (+5.81s | 10.6%) | Blue Marlins Of Hialeah Garden | 04/18/2026 | SCS Under The Sun Invitational | |
| 725 | Laura Francis | 54.61 | 10 | BB Min | A: 48.79 (+5.82s | 10.7%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 726 | Finley Sciarrotta | 54.62 | 10 | BB Min | A: 48.79 (+5.83s | 10.7%) | Lincoln City Swim Club | 03/07/2026 | Valley Coast Swim League 2026 | |
| 727 | Reagan Gabbard | 54.63 | 10 | BB Min | A: 48.79 (+5.84s | 10.7%) | Sarasota Sharks | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 728 | Amilia Fiaschi | 54.65 | 8 | BB Min | A: 48.79 (+5.86s | 10.7%) | Beaverton Area Aquatics Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 729 | Elliana Rudebusch | 54.65 | 9 | BB Min | A: 48.79 (+5.86s | 10.7%) | Piranhas Swim Club | 05/08/2026 | 2026 MN STRM Spring Startup | |
| 730 | Addison Barham | 54.65 | 10 | BB Min | A: 48.79 (+5.86s | 10.7%) | St. Thomas Swimming Associatio | 06/12/2025 | 2025 RAFC Summer Solstice | |
| 731 | Allison Tjhin | 54.65 | 10 | BB Min | A: 48.79 (+5.86s | 10.7%) | Diablo Aquatics | 05/24/2025 | 2025 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 732 | Charlotte Muller | 54.65 | 10 | BB Min | A: 48.79 (+5.86s | 10.7%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 733 | Lucia Mundell-Pentelow | 54.66 | 10 | BB Min | A: 48.79 (+5.87s | 10.7%) | T2 Aquatics | 05/02/2026 | 2026 Sea Dragon May Open | |
| 734 | Clara Cederholm | 54.67 | 9 | BB Min | A: 48.79 (+5.88s | 10.8%) | Olympus Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 735 | Naya Williams | 54.67 | 8 | BB Min | A: 48.79 (+5.88s | 10.8%) | South Bay Aquatics | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 736 | Amelia White | 54.67 | 10 | BB Min | A: 48.79 (+5.88s | 10.8%) | H2okie Aquatics | 07/12/2024 | 2024 CCA Summer Awards | |
| 737 | Vasilisa Rusetskaya | 54.68 | 9 | BB Min | A: 48.79 (+5.89s | 10.8%) | Freedom Aquatics | 08/06/2025 | 2025 Summer Elite Showcase | |
| 738 | Hannah Bauler | 54.69 | 9 | BB Min | A: 48.79 (+5.90s | 10.8%) | Alamo Heights Aquatic Club ? A | 04/18/2026 | 2026 ST NIST Spring Into Long Course | |
| 739 | Anna Chogovadze | 54.70 | 9 | BB Min | A: 48.79 (+5.91s | 10.8%) | Mission Aurora Colorado Swimmi | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 740 | Sophia Bull | 54.70 | 9 | BB Min | A: 48.79 (+5.91s | 10.8%) | Gulliver Swim Club | 05/01/2026 | Jesse Vasallo Swimming Invitational | |
| 741 | Elizabeth Jiao | 54.71 | 10 | BB Min | A: 48.79 (+5.92s | 10.8%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 742 | Beyah Hwunan | 54.71 | 9 | BB Min | A: 48.79 (+5.92s | 10.8%) | Aulea Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 743 | Madhuri Mukhram | 54.72 | 10 | BB Min | A: 48.79 (+5.93s | 10.8%) | Bellingham Bay Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 744 | Kirsten Peredo | 54.72 | 9 | BB Min | A: 48.79 (+5.93s | 10.8%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 745 | Charlotte Struble | 54.73 | 8 | BB Min | A: 48.79 (+5.94s | 10.9%) | Sea Devils | 05/15/2026 | 2026 MN HURR LC Spring Opener | |
| 746 | Keira Kristo-Reinking | 54.75 | 9 | BB Min | A: 48.79 (+5.96s | 10.9%) | Lone Star Aquatic Club | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 747 | Aubree Charlesworth | 54.76 | 9 | BB Min | A: 48.79 (+5.97s | 10.9%) | Maverick Aquatics | 07/11/2025 | 2025 CO Western Slope LeagueChampionships | |
| 748 | Lillyana Basil | 54.79 | 10 | BB Min | A: 48.79 (+6.00s | 11.0%) | Unattached | 04/18/2026 | 2026 ST NIST Spring Into Long Course | |
| 749 | Jordan Woods | 54.81 | 9 | BB Min | A: 48.79 (+6.02s | 11.0%) | Flatiron Athletic Club | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 750 | Isla Brown | 54.81 | 10 | BB Min | A: 48.79 (+6.02s | 11.0%) | Monterey Bay Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
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.