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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1101 | Isabella Britz | 44.99 | 10 | BB Min | A: 42.79 (+2.20s | 4.9%) | Tide Swimming | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 1102 | Makenna Sturgeon | 45.00 | 10 | BB Min | A: 42.79 (+2.21s | 4.9%) | Neptune Swimming | 07/25/2026 | 2026 REAL Championships | |
| 1103 | Ella Dewar | 45.00 | 10 | BB Min | A: 42.79 (+2.21s | 4.9%) | Crimson Aquatics | 02/06/2026 | 2026 NE CRIM Last Chance Meet | |
| 1104 | Madison Pronovost | 45.00 | 10 | BB Min | A: 42.79 (+2.21s | 4.9%) | Legacy Aquatics | 04/25/2026 | LA Spring Kickoff 2026 | |
| 1105 | Madeline Niemaseck | 45.00 | 8 | BB Min | A: 42.79 (+2.21s | 4.9%) | SwimRVA | 03/20/2026 | 2026 SwimRVA Clover Cup | |
| 1106 | Alexa Wang | 45.00 | 10 | BB Min | A: 42.79 (+2.21s | 4.9%) | Plymouth Canton Cruisers | 02/27/2026 | 2026 Junior Cup | |
| 1107 | Bella Li | 45.00 | 9 | BB Min | A: 42.79 (+2.21s | 4.9%) | Santa Clara Swim Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 1108 | Gabriella Magpantay | 45.01 | 9 | BB Min | A: 42.79 (+2.22s | 4.9%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 1109 | Adeline Nielsen | 45.02 | 10 | BB Min | A: 42.79 (+2.23s | 5.0%) | Brighton Aquatics Bull Sharks | 01/16/2026 | SLA Arctic Blast 2026 | |
| 1110 | Nora Zhuang | 45.02 | 10 | BB Min | A: 42.79 (+2.23s | 5.0%) | Rancho Family YMCA | 01/17/2026 | 2026 SBA All Ages A BB Meet | |
| 1111 | Myla Winner | 45.02 | 10 | BB Min | A: 42.79 (+2.23s | 5.0%) | Seahawks Swim club | 02/27/2026 | Ozark Division I Championship | |
| 1112 | Makai Tanoai | 45.03 | 9 | BB Min | A: 42.79 (+2.24s | 5.0%) | Unattached | 11/08/2025 | BIG ISLAND SWIMMING @ KCAC | |
| 1113 | Margaret Mariscalco | 45.04 | 9 | BB Min | A: 42.79 (+2.25s | 5.0%) | SwimRVA | 01/24/2026 | 2026 WAC Mike Willard Polar Plunge | |
| 1114 | Ella Gengler | 45.04 | 9 | BB Min | A: 42.79 (+2.25s | 5.0%) | Riptide Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 1115 | Parissa Mair | 45.04 | 9 | BB Min | A: 42.79 (+2.25s | 5.0%) | Jersey Wahoos | 11/07/2025 | 2025 Mid Atlantic AG Championship Showdown | |
| 1116 | Ella Moore | 45.04 | 10 | BB Min | A: 42.79 (+2.25s | 5.0%) | Machine Aquatics | 03/20/2026 | March Madness 2026 | |
| 1117 | Harper Degner | 45.04 | 8 | BB Min | A: 42.79 (+2.25s | 5.0%) | Denver Swim Academy | 02/21/2026 | 2026 CO DSA Last Chance | |
| 1118 | Arlo Jerkins | 45.05 | 9 | BB Min | A: 42.79 (+2.26s | 5.0%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 1119 | Colbie Chang | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 1120 | Abigail Hinz | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 1121 | Arrietty Shieh | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 1122 | Layla Glass | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | College Area Swim Team | 08/08/2026 | 2026 SI CAST All Ages August Wrap Up Meet C | |
| 1123 | Anna Van De Wege | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Benton Harbor-St. Joseph YMCA | 03/07/2026 | 2026 Michigan YMCA State Championship | |
| 1124 | Mali Pavlis | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Tennessee Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 1125 | Makena Kam | 45.06 | 10 | BB Min | A: 42.79 (+2.27s | 5.0%) | Beach Cities Alpha | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 1126 | Claire Doherty | 45.07 | 10 | BB Min | A: 42.79 (+2.28s | 5.1%) | Mason Makos Swim Team | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 1127 | Addie Bischoff | 45.07 | 10 | BB Min | A: 42.79 (+2.28s | 5.1%) | Fins Swim Team | 01/16/2026 | 2026 Gabrielle Rose Tiger Classic | |
| 1128 | Goldie Hyman | 45.07 | 9 | BB Min | A: 42.79 (+2.28s | 5.1%) | YMCA of the Triangle Area Swim | 03/19/2026 | 2026 USRY Short Course Champs | |
| 1129 | Amelia Horng | 45.08 | 10 | BB Min | A: 42.79 (+2.29s | 5.1%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 1130 | Jacqueline Chung | 45.09 | 9 | BB Min | A: 42.79 (+2.30s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 ASA President S Day Classic | |
| 1131 | Lilia Yamamoto | 45.09 | 10 | BB Min | A: 42.79 (+2.30s | 5.1%) | Splash Aquatics | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 1132 | Nora Gaughan | 45.10 | 9 | BB Min | A: 42.79 (+2.31s | 5.1%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 1133 | Maya Koren | 45.10 | 10 | BB Min | A: 42.79 (+2.31s | 5.1%) | Manoa Aquatics | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 1134 | Triniti Coats | 45.10 | 10 | BB Min | A: 42.79 (+2.31s | 5.1%) | Tiger Shark of Texas | 11/07/2025 | 2025 ST SCY Surge Shark Sizzler | |
| 1135 | Giovannina Bonsignore | 45.10 | 10 | BB Min | A: 42.79 (+2.31s | 5.1%) | Three Village Swim Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 1136 | Ella Herrington | 45.11 | 10 | BB Min | A: 42.79 (+2.32s | 5.1%) | H2okie Aquatics | 02/27/2026 | 2026 SW District Champs 9 Over | |
| 1137 | Austin Lee | 45.11 | 9 | BB Min | A: 42.79 (+2.32s | 5.1%) | Texas Elite Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 1138 | Amber Leu | 45.11 | 10 | BB Min | A: 42.79 (+2.32s | 5.1%) | Sacramento Aquatics Club | 11/08/2025 | Folsom Classic 2025 | |
| 1139 | Natalie Chong | 45.12 | 10 | BB Min | A: 42.79 (+2.33s | 5.2%) | Swim Streamline at Northampton | 01/03/2025 | 2025 SSAN Winter Invite | |
| 1140 | Emmalyn Childers | 45.12 | 10 | BB Min | A: 42.79 (+2.33s | 5.2%) | West Virginia Wild | 01/17/2026 | Club Mountaineer January Age Group Winter Spl | |
| 1141 | Sein Moon | 45.12 | 9 | BB Min | A: 42.79 (+2.33s | 5.2%) | Pleasanton Seahawks | 07/25/2026 | Zone 2 Summer Championships | |
| 1142 | Grey Banhos | 45.12 | 8 | BB Min | A: 42.79 (+2.33s | 5.2%) | Scioto Country Club | 03/12/2026 | 2026 OH SC Junior Championships | |
| 1143 | Therese Lasnoski | 45.12 | 10 | BB Min | A: 42.79 (+2.33s | 5.2%) | Lake Country Swim Team | 01/09/2026 | 2026 MN FOXJ Winter Classic | |
| 1144 | Hayden Gallagher | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Sunnyvale Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 1145 | Everly Yamashita | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 1146 | Hayden Watkins | 45.13 | 10 | BB Min | A: 42.79 (+2.34s | 5.2%) | Coast Gaurd Blue Dolphins | 11/07/2025 | 2025 CGBD Carl Warner Classic | |
| 1147 | Cecilia Ostlund | 45.14 | 10 | BB Min | A: 42.79 (+2.35s | 5.2%) | Sarpy County Swim Club | 01/31/2026 | 2026 MW SCSC President S Day Meet | |
| 1148 | Ellen Highland | 45.14 | 10 | BB Min | A: 42.79 (+2.35s | 5.2%) | Longhorn Aquatics | 07/18/2026 | 2026 SGA Gold Rush | |
| 1149 | Vasilisa Rusetskaya | 45.14 | 9 | BB Min | A: 42.79 (+2.35s | 5.2%) | Freedom Aquatics | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 1150 | Edith Cass | 45.14 | 10 | BB Min | A: 42.79 (+2.35s | 5.2%) | Lake Oswego Swim Club | 05/09/2026 | 2026 Spring Sprinter Invitational | |
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.