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 | |
|---|---|---|---|---|---|---|---|---|---|
| 751 | Lyra Mertens-Hall | 54.85 | 10 | BB Min | A: 48.79 (+6.06s | 11.0%) | Multnomah Athletic Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 752 | Lucy Lu | 54.85 | 10 | BB Min | A: 48.79 (+6.06s | 11.0%) | Tri-city Channel Cats | 06/06/2025 | 2025 TRI CITY INVITATIONAL | |
| 753 | Doreen Zhang | 54.86 | 10 | BB Min | A: 48.79 (+6.07s | 11.1%) | Santa Clara Swim Club | 06/27/2025 | Valley Splash | |
| 754 | Annais Kim | 54.88 | 9 | BB Min | A: 48.79 (+6.09s | 11.1%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 755 | Quinn Taute | 54.89 | 8 | BB Min | A: 48.79 (+6.10s | 11.1%) | Torpedo Swim School | 05/15/2026 | 2026 Kent B Holdren Memorial Meet | |
| 756 | Alexia Afanasyeva | 54.91 | 10 | BB Min | A: 48.79 (+6.12s | 11.1%) | Hillsboro Swim Team | 05/01/2026 | 2026 THSC Spring Invite | |
| 757 | Naomi Zhao | 54.92 | 10 | BB Min | A: 48.79 (+6.13s | 11.2%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 758 | Danielle Peacock | 54.93 | 10 | BB Min | A: 48.79 (+6.14s | 11.2%) | Bellingham Bay Swim Team | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 759 | Caroline Velez | 54.93 | 10 | BB Min | A: 48.79 (+6.14s | 11.2%) | Swim Tampa Aquatics | 04/11/2026 | 2026 Stingrays Early LCM Season Opener | |
| 760 | Catherine Li | 54.94 | 10 | BB Min | A: 48.79 (+6.15s | 11.2%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 761 | Adriana Matousek | 54.94 | 9 | BB Min | A: 48.79 (+6.15s | 11.2%) | Longmont Swim Club | 05/02/2026 | 2026 CO Longmont IMR IMX Adrenaline Gauntlet | |
| 762 | Heidi Burson | 54.94 | 10 | BB Min | A: 48.79 (+6.15s | 11.2%) | Nitro Swimming | 05/09/2026 | 2026 ST NTRO LC School S Out | |
| 763 | Addison Plank | 54.95 | 11 | BB Min | A: 48.79 (+6.16s | 11.2%) | California Capital Aquatics | 06/20/2025 | Reno Aquatic Club Gamble | |
| 764 | Emilie Bieker | 54.95 | 10 | BB Min | A: 48.79 (+6.16s | 11.2%) | Legacy Aquatics | 11/01/2025 | Oregon City Fall Open 2025 | |
| 765 | Madeline Popa | 54.96 | 8 | BB Min | A: 48.79 (+6.17s | 11.2%) | Tampa Bay Aquatic Club | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 766 | Amelia Schoessler | 54.96 | 9 | BB Min | A: 48.79 (+6.17s | 11.2%) | South Shore Sails | 05/15/2026 | 2026 ST SRG LCM Bud Dallmann Memorial | |
| 767 | Moira Harris | 54.99 | 9 | BB Min | A: 48.79 (+6.20s | 11.3%) | Tampa Bay Aquatics | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 768 | Elizabeth Vincent | 54.99 | 10 | BB Min | A: 48.79 (+6.20s | 11.3%) | North Coast Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 769 | Myra Hulbert | 55.00 | 10 | BB Min | A: 48.79 (+6.21s | 11.3%) | Cascade Swim Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 770 | Madison Duckworth | 55.01 | 10 | BB Min | A: 48.79 (+6.22s | 11.3%) | Wasatch Front Fish Market | 05/02/2025 | 2025 UVrays LC May Invitational | |
| 771 | Maizie White-Stielstra | 55.01 | 9 | BB Min | A: 48.79 (+6.22s | 11.3%) | San Gabriel Aquatics | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 772 | Kinley Saul | 55.02 | 10 | BB Min | A: 48.79 (+6.23s | 11.3%) | South Metro Storm | 05/03/2026 | 2026 MN SEMS LC Invite | |
| 773 | Amy McCulloch | 55.03 | 10 | BB Min | A: 48.79 (+6.24s | 11.3%) | Isle Swim Club | 04/10/2026 | 2026 April Classic | |
| 774 | Molly Hall | 55.03 | 10 | BB Min | A: 48.79 (+6.24s | 11.3%) | Front Range Barracudas | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 775 | Sophia Lukkes | 55.03 | 10 | BB Min | A: 48.79 (+6.24s | 11.3%) | Pierre Swim Team | 07/18/2025 | 2025 SD State Long Course Meet | |
| 776 | Isabella Shen | 55.04 | 9 | BB Min | A: 48.79 (+6.25s | 11.4%) | Pine Crest Swim Team | 04/18/2026 | SCS Under The Sun Invitational | |
| 777 | Cecelia Staples | 55.05 | 10 | BB Min | A: 48.79 (+6.26s | 11.4%) | Bolles School Sharks | 07/25/2025 | 2025 Area 1 LCM Championships | |
| 778 | Maya Goetz | 55.05 | 9 | BB Min | A: 48.79 (+6.26s | 11.4%) | Aspire Aquatics of Colorado | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 779 | Zoe Wang | 55.06 | 9 | BB Min | A: 48.79 (+6.27s | 11.4%) | Hydro Swim Club | 06/20/2025 | 2025 Planet Swim Summer Championships | |
| 780 | Zoe Scott | 55.09 | 10 | BB Min | A: 48.79 (+6.30s | 11.4%) | Northside Aquatics | 04/18/2026 | 2026 ST NIST Spring Into Long Course | |
| 781 | Nina Rogovoy | 55.10 | 10 | BB Min | A: 48.79 (+6.31s | 11.5%) | Jbarracudas Swim Team | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
| 782 | Riley Shipp | 55.11 | 10 | BB Min | A: 48.79 (+6.32s | 11.5%) | Planet Swim Aquatics | 05/16/2026 | 2026 PSA May Invite | |
| 783 | Margot Ozanus | 55.11 | 9 | BB Min | A: 48.79 (+6.32s | 11.5%) | Sarasota Sharks | 04/25/2026 | 11th Annual Hohne Memorial Invitational | |
| 784 | Eleanor Andersen | 55.11 | 10 | BB Min | A: 48.79 (+6.32s | 11.5%) | Aquawolves Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 785 | Elena Hynst | 55.12 | 10 | BB Min | A: 48.79 (+6.33s | 11.5%) | SwimRVA | 06/27/2024 | NOVA Firecracker Classic | |
| 786 | Claire Wang | 55.12 | 10 | BB Min | A: 48.79 (+6.33s | 11.5%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 787 | Isabel Riccitelli | 55.15 | 10 | BB Min | A: 48.79 (+6.36s | 11.5%) | Cali Piranha Swim Team | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 788 | Yura Kim | 55.15 | 8 | BB Min | A: 48.79 (+6.36s | 11.5%) | Nitro Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 789 | Lillie Marcus | 55.16 | 9 | BB Min | A: 48.79 (+6.37s | 11.5%) | West Florida Lightning Aquatic | 05/01/2026 | 2026 WFLA SPRING OPEN | |
| 790 | Ann Garcia Seeley | 55.16 | 9 | BB Min | A: 48.79 (+6.37s | 11.5%) | Riptide Swim Team | 04/25/2025 | 2025 CO Steve Drozda LC Shotgun | |
| 791 | Olive Mitchell | 55.16 | 9 | BB Min | A: 48.79 (+6.37s | 11.5%) | Newport Swim Team | 11/14/2025 | Pumpkin Sprint Meet 2025 | |
| 792 | Sarah De Kleyn | 55.16 | 9 | BB Min | A: 48.79 (+6.37s | 11.5%) | Indian River Aquatics | 05/08/2026 | 2026 Wellington May Long Course Meet | |
| 793 | Lucy Oates | 55.16 | 10 | BB Min | A: 48.79 (+6.37s | 11.5%) | Westlake Aquatic Facility | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 794 | Aria Jaggi | 55.16 | 10 | BB Min | A: 48.79 (+6.37s | 11.5%) | Jbarracudas Swim Team | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 795 | Amelie Johnson | 55.17 | 10 | BB Min | A: 48.79 (+6.38s | 11.6%) | Planet Swim Aquatics | 04/25/2025 | 14th Annual JAX50 Sprint Dual Challenge | |
| 796 | Ariana Williams | 55.19 | 7 | BB Min | A: 48.79 (+6.40s | 11.6%) | Lone Star Aquatic Club | 05/01/2026 | 2026 ST AAAA 23rd Annual Cinco De Mayo | |
| 797 | Amelia Kam | 55.20 | 7 | BB Min | A: 48.79 (+6.41s | 11.6%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 798 | Anna Latham | 55.21 | 10 | BB Min | A: 48.79 (+6.42s | 11.6%) | Front Range Barracudas | 04/25/2025 | 2025 CO Steve Drozda LC Shotgun | |
| 799 | Everly Cox | 55.21 | 9 | BB Min | A: 48.79 (+6.42s | 11.6%) | Cascade Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 800 | Leah Spillane | 55.21 | 9 | BB Min | A: 48.79 (+6.42s | 11.6%) | Excel Aquatics | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
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.