USA Girls 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1001 | Leila Trencevska | 43.33 | 9 | BB Min | A: 42.79 (+0.54s | 1.2%) | YMCA Fairfax County Reston | 10/04/2025 | 2025 Harvest Moon Invitational | |
| 1002 | Claire Cao | 43.33 | 9 | BB Min | A: 42.79 (+0.54s | 1.2%) | Badger Swim Club,Inc. | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1003 | Ava Gao | 43.33 | 10 | BB Min | A: 42.79 (+0.54s | 1.2%) | DeAnza Cupertino Aquatics | 03/28/2026 | LAMV C B A+ Meet | |
| 1004 | Whitnee Jacobson | 43.33 | 10 | BB Min | A: 42.79 (+0.54s | 1.2%) | Red Wing Swim Club | 02/27/2026 | 2026 MN RSC Minnesota Regional Championship | |
| 1005 | Emerson Parks | 43.34 | 9 | BB Min | A: 42.79 (+0.55s | 1.3%) | Unattached | 01/30/2026 | 2026 BSS February Classic Copied | |
| 1006 | Anna Dansereau | 43.34 | 9 | BB Min | A: 42.79 (+0.55s | 1.3%) | Arlington Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 1007 | Audrey Hart | 43.34 | 9 | BB Min | A: 42.79 (+0.55s | 1.3%) | Madison Swimming Association | 02/27/2026 | 2026 SE Southeastern Winter SC Championships | |
| 1008 | Stephy Chen | 43.34 | 10 | BB Min | A: 42.79 (+0.55s | 1.3%) | Waterloo Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1009 | Evangeline Kluttz | 43.35 | 10 | BB Min | A: 42.79 (+0.56s | 1.3%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 NCAP Winter Qualifier | |
| 1010 | Kiera Newell | 43.35 | 9 | BB Min | A: 42.79 (+0.56s | 1.3%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 1011 | Emily Wright | 43.35 | 9 | BB Min | A: 42.79 (+0.56s | 1.3%) | Qns Aquatic Club | 11/14/2025 | 2025 MR VAC Viking Classic Invitational | |
| 1012 | Naomi Freehill | 43.35 | 10 | BB Min | A: 42.79 (+0.56s | 1.3%) | Aquatex Swim & Water Polo Team | 12/12/2025 | 2025 ST AAAA NS Winter Wonderland | |
| 1013 | Hanna Yamamoto | 43.36 | 10 | BB Min | A: 42.79 (+0.57s | 1.3%) | Novi Sturgeons | 12/12/2025 | OLY Swimming Holiday Bowl | |
| 1014 | Adora Wachuku | 43.36 | 6 | BB Min | A: 42.79 (+0.57s | 1.3%) | Soda Fall | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | |
| 1015 | Emma Herald | 43.36 | 10 | BB Min | A: 42.79 (+0.57s | 1.3%) | Kingfish Swimming Medfield | 02/06/2026 | 2026 NE CRA Last Chance February Invite | |
| 1016 | Riley Cardella | 43.36 | 10 | BB Min | A: 42.79 (+0.57s | 1.3%) | SwimMAC Carolina | 03/20/2026 | 2026 SwimMAC Tar Heel States | |
| 1017 | Reagan Wagner | 43.37 | 10 | BB Min | A: 42.79 (+0.58s | 1.3%) | Farmington Family YMCA Stingra | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | |
| 1018 | Ella Yu | 43.37 | 10 | BB Min | A: 42.79 (+0.58s | 1.3%) | California Dolphins Swim Team | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 1019 | Allison Thibodeau | 43.37 | 10 | BB Min | A: 42.79 (+0.58s | 1.3%) | Bayside Aquatics | 02/13/2026 | 39th Black History Swim Meet | |
| 1020 | Hazel McCleland | 43.38 | 10 | BB Min | A: 42.79 (+0.59s | 1.4%) | Old Dominion Aquatic Club | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1021 | Ella Henry | 43.38 | 9 | BB Min | A: 42.79 (+0.59s | 1.4%) | Albany Armada Aquatics | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 1022 | Isabella Mitchell | 43.38 | 9 | BB Min | A: 42.79 (+0.59s | 1.4%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 1023 | Hadley Saechao | 43.38 | 9 | BB Min | A: 42.79 (+0.59s | 1.4%) | Lynchburg YMCA Swim Team | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1024 | Blake Hersey | 43.39 | 10 | BB Min | A: 42.79 (+0.60s | 1.4%) | Annapolis Swim Club | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
| 1025 | Summer Williams | 43.39 | 9 | BB Min | A: 42.79 (+0.60s | 1.4%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 1026 | Lilly Ackley | 43.39 | 10 | BB Min | A: 42.79 (+0.60s | 1.4%) | North Baltimore Aquatic Club | 11/14/2025 | 2025 NBAC Thanksgiving Meet | |
| 1027 | Kaira Tripathy | 43.39 | 10 | BB Min | A: 42.79 (+0.60s | 1.4%) | Jbarracudas Swim Team | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 1028 | Aria Freeman | 43.40 | 9 | BB Min | A: 42.79 (+0.61s | 1.4%) | Asphalt Green Unified Aquatics | 03/13/2026 | 2026 MR SC Junior Metropolitan Championships | |
| 1029 | Madelynn Sweeney | 43.40 | 10 | BB Min | A: 42.79 (+0.61s | 1.4%) | McGrath Marlins Swim Team | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 1030 | Alexa Leyvi | 43.40 | 10 | BB Min | A: 42.79 (+0.61s | 1.4%) | Sarasota Tsunami Swim Team | 10/11/2025 | 2025 OCTOBERFEST SWIM MEET | |
| 1031 | Fabiana Silva-Gomez | 43.40 | 10 | BB Min | A: 42.79 (+0.61s | 1.4%) | Sarasota Tsunami Swim Team | 01/10/2026 | 2026 WINTERFEST SWIM MEET | |
| 1032 | Emma Liu | 43.41 | 9 | BB Min | A: 42.79 (+0.62s | 1.4%) | Katy Aquatic Team For Youth | 02/21/2025 | 2025 Gulf 12 Under Champs (KATY) | |
| 1033 | Azadeh Corsiglia | 43.41 | 10 | BB Min | A: 42.79 (+0.62s | 1.4%) | DeAnza Cupertino Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 1034 | Presley Peters | 43.42 | 10 | BB Min | A: 42.79 (+0.63s | 1.5%) | Area Tallahassee Aquatic Club | 01/30/2026 | 2026 Mac Crutchfield Invitational | |
| 1035 | Hazel Nance | 43.42 | 10 | BB Min | A: 42.79 (+0.63s | 1.5%) | Lake Oswego Swim Club | 01/02/2026 | 2026 CST Shark Chase Invitational | |
| 1036 | Norah Klasic | 43.42 | 10 | BB Min | A: 42.79 (+0.63s | 1.5%) | St Croix Swim Club | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1037 | Kadence Watts | 43.42 | 10 | BB Min | A: 42.79 (+0.63s | 1.5%) | Perry Aquatic Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1038 | Jooah Pyun | 43.43 | 10 | BB Min | A: 42.79 (+0.64s | 1.5%) | Lone Star Aquatic Club | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1039 | Lainee Brooks | 43.43 | 10 | BB Min | A: 42.79 (+0.64s | 1.5%) | Highbridge Aquatics | 12/05/2025 | 2025 Holiday Classic | |
| 1040 | Leah Moore | 43.43 | 10 | BB Min | A: 42.79 (+0.64s | 1.5%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 1041 | Zara Bold | 43.44 | 10 | BB Min | A: 42.79 (+0.65s | 1.5%) | Unattached | 02/13/2026 | 2026 NE SAC 10 Under Champs | |
| 1042 | Railynn James | 43.44 | 10 | BB Min | A: 42.79 (+0.65s | 1.5%) | Rushmore Swim Team | 02/21/2025 | 2025 12 U Short Course State A Championship | |
| 1043 | Piper McDonald | 43.45 | 10 | BB Min | A: 42.79 (+0.66s | 1.5%) | SwimNation Aquatics Programs | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 1044 | Nora Waldenmayer | 43.46 | 9 | BB Min | A: 42.79 (+0.67s | 1.5%) | Sporting Jax Aquatic Club | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 1045 | Catherine Proctor | 43.47 | 10 | BB Min | A: 42.79 (+0.68s | 1.6%) | Univ. of Denver Hilltoppers | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 1046 | Lucy Shang | 43.47 | 9 | BB Min | A: 42.79 (+0.68s | 1.6%) | North Carolina Aquatic Club | 03/26/2026 | 2026 NCAC Spring Tar Heel States Copied | |
| 1047 | Morgan Franckowiak-Clear | 43.47 | 10 | BB Min | A: 42.79 (+0.68s | 1.6%) | Great Wolf Swim Team | 02/27/2026 | 2026 MN RSC Minnesota Regional Championship | |
| 1048 | Catherine Li | 43.48 | 10 | BB Min | A: 42.79 (+0.69s | 1.6%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 1049 | Mackenzie Bernier | 43.48 | 10 | BB Min | A: 42.79 (+0.69s | 1.6%) | Seattle Metropolitan Aquatic C | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | |
| 1050 | Kyla Silva | 43.49 | 10 | BB Min | A: 42.79 (+0.70s | 1.6%) | Lifetime | 01/16/2026 | 2026 NE SAC Bronze Championships | |
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.