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 | |
|---|---|---|---|---|---|---|---|---|---|
| 7101 | Mary Herman | 47.07 | 10 | B Min | BB: 43.29 (+3.78s | 8.0%) | Life Time Colorado Swim Club | 12/13/2024 | 2024 CO Falfins Holiday Open | |
| 7102 | Laylah Boit | 47.07 | 9 | B Min | BB: 43.29 (+3.78s | 8.0%) | Piranhas Swim Club | 02/07/2026 | 2026 MN PRNH Winter Whiteout | |
| 7103 | Isabella Jedzejec | 47.07 | 9 | B Min | BB: 43.29 (+3.78s | 8.0%) | Tampa Bay Aquatic Club | 08/23/2025 | SPA TBAC AUGUST 23, 2025 | |
| 7104 | Jazlynn Bernal | 47.07 | 9 | B Min | BB: 43.29 (+3.78s | 8.0%) | Patuxent Aquatics Club | 02/13/2026 | 39th Black History Swim Meet | |
| 7105 | Daniela Martinez Velasco | 47.08 | 9 | B Min | BB: 43.29 (+3.79s | 8.1%) | Nitro Swimming | 01/31/2026 | 2026 ST NTRO Fiery Flames | |
| 7106 | Drew Diefendorf | 47.08 | 10 | B Min | BB: 43.29 (+3.79s | 8.1%) | Albany Aquatic Association | 01/03/2026 | 2026 CAT Short Course Open | |
| 7107 | Elliana Limperos | 47.08 | 10 | B Min | BB: 43.29 (+3.79s | 8.1%) | Piranhas YMCA of the Suncoast | 11/21/2025 | SPA PYP NOVEMBER 2025 | |
| 7108 | Angelina Petito | 47.08 | 8 | B Min | BB: 43.29 (+3.79s | 8.1%) | West Islip Swim Club | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 7109 | Anny Cao | 47.08 | 8 | B Min | BB: 43.29 (+3.79s | 8.1%) | First Colony Swim Team, Inc. | 11/08/2024 | Sharks November Invitational | |
| 7110 | Catherine McGugin | 47.08 | 8 | B Min | BB: 43.29 (+3.79s | 8.1%) | Fenix Swim Club | 11/08/2025 | Golden Eagle Classic 25 | |
| 7111 | Patricia Foreman | 47.08 | 10 | B Min | BB: 43.29 (+3.79s | 8.1%) | Gbsa - Greater Baltimore Swim | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 7112 | Amelia Horng | 47.08 | 9 | B Min | BB: 43.29 (+3.79s | 8.1%) | Wave Aquatics | 11/01/2025 | 2025 PN Bob Miller Sprint Distance Classic | |
| 7113 | Charlotte Kesser | 47.08 | 10 | B Min | BB: 43.29 (+3.79s | 8.1%) | Team Charlotte Swimming | 03/07/2026 | 2026 MSA March Madness Invitational | |
| 7114 | Kynlee Mair | 47.08 | 9 | B Min | BB: 43.29 (+3.79s | 8.1%) | Wasatch Swim Club | 11/01/2025 | Race Swami Dia De Los Muertos Classic 2025 | |
| 7115 | Stella Morency | 47.09 | 9 | B Min | BB: 43.29 (+3.80s | 8.1%) | Greater Lowell Family YMCA | 01/24/2026 | 2026 NE NSSC Snowman Sprints | |
| 7116 | Grace Mauldin | 47.09 | 9 | B Min | BB: 43.29 (+3.80s | 8.1%) | Potomac Marlins | 02/20/2026 | 2026 FXFX Forty Niner | |
| 7117 | Alira Miracle | 47.09 | 10 | B Min | BB: 43.29 (+3.80s | 8.1%) | Dads Club Swim Team | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 7118 | Avery Hillard | 47.09 | 9 | B Min | BB: 43.29 (+3.80s | 8.1%) | Rockford Riptide | 02/07/2026 | 2026 Grand Rapids Open | |
| 7119 | Selah Portella | 47.10 | 9 | B Min | BB: 43.29 (+3.81s | 8.1%) | Centreville Swim Club | 01/17/2026 | PVS January Open 2026 PWCS | |
| 7120 | Charlie Whitley | 47.10 | 9 | B Min | BB: 43.29 (+3.81s | 8.1%) | East Carolina Aquatics | 11/21/2025 | 2025 ECA Southeastern Classic | |
| 7121 | Emma Langer | 47.10 | 9 | B Min | BB: 43.29 (+3.81s | 8.1%) | SwimRise Aquatics | 02/20/2026 | 2026 Area 1 Spring Championships | |
| 7122 | Gabriella Rosas | 47.10 | 10 | B Min | BB: 43.29 (+3.81s | 8.1%) | Form Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | |
| 7123 | Anna Appleman | 47.10 | 10 | B Min | BB: 43.29 (+3.81s | 8.1%) | Arlington Aquatic Club | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | |
| 7124 | Devon Goldman | 47.10 | 9 | B Min | BB: 43.29 (+3.81s | 8.1%) | Sebastopol Sea Serpents | 03/28/2026 | SSS Shamrock Showdown CBA+ | |
| 7125 | Rachel Loudon | 47.10 | 7 | B Min | BB: 43.29 (+3.81s | 8.1%) | Cascade Swim Club | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 7126 | Cassandra McLellan | 47.10 | 9 | B Min | BB: 43.29 (+3.81s | 8.1%) | West Texas Typhoon | 02/22/2026 | 2026 BD SC Jr Border Championship | |
| 7127 | Savannah Hsu | 47.10 | 8 | B Min | BB: 43.29 (+3.81s | 8.1%) | Long Island Aquatic Club | 01/10/2026 | 2026 MR FA Iron Dragon Invitational | |
| 7128 | Laila Lancaster | 47.10 | 10 | B Min | BB: 43.29 (+3.81s | 8.1%) | Detroit All Star Aquatics | 01/16/2026 | SLA Arctic Blast 2026 | |
| 7129 | Heidi Casavant | 47.10 | 10 | B Min | BB: 43.29 (+3.81s | 8.1%) | Thames Aquatic Club | 10/25/2025 | 2025 NE SHAWMUT Pumpkin Splash Copied | |
| 7130 | Molly Basenberg | 47.10 | 9 | B Min | BB: 43.29 (+3.81s | 8.1%) | Commonwealth Swimming | 03/20/2026 | 2026 NE ORO TSSA Champs | |
| 7131 | Brooke LeTourneau | 47.11 | 10 | B Min | BB: 43.29 (+3.82s | 8.1%) | Lone Star Aquatic Club | 02/28/2026 | 2026 ST SCY Surge Marsh Madness | |
| 7132 | Kyra Siegler | 47.11 | 10 | B Min | BB: 43.29 (+3.82s | 8.1%) | Legacy Aquatics | 02/16/2025 | LA Last Chance | |
| 7133 | Maya Finegold | 47.11 | 9 | B Min | BB: 43.29 (+3.82s | 8.1%) | Palo Alto Stanford Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 7134 | Klara Miezianko | 47.11 | 10 | B Min | BB: 43.29 (+3.82s | 8.1%) | Minnetonka Swim Club | 01/30/2026 | 2026 MN MTKA TYR Team Challenge | |
| 7135 | Heymi Nakfour | 47.11 | 10 | B Min | BB: 43.29 (+3.82s | 8.1%) | YMCA of Central Florida | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 7136 | Blakely Poarch | 47.11 | 9 | B Min | BB: 43.29 (+3.82s | 8.1%) | Tullahoma Swim Club | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 7137 | Josephine Cho | 47.11 | 10 | B Min | BB: 43.29 (+3.82s | 8.1%) | Manta Rays | 12/13/2025 | 2025 MR TRI Winter SCY Invitational | |
| 7138 | Everly Terrell | 47.11 | 10 | B Min | BB: 43.29 (+3.82s | 8.1%) | Gsa | 03/20/2026 | 2026 STAR Tar Heel States | |
| 7139 | Josephine Marichal | 47.11 | 10 | B Min | BB: 43.29 (+3.82s | 8.1%) | Down East Family YMCA | 02/27/2026 | 2026 NE Maine State Y Championships | |
| 7140 | Lucy Wei | 47.11 | 8 | B Min | BB: 43.29 (+3.82s | 8.1%) | Bellevue Club Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 7141 | Ellen Zvonar | 47.12 | 8 | B Min | BB: 43.29 (+3.83s | 8.1%) | City of Mobile Swim Associatio | 01/16/2026 | 2026 GPAC Winter Invitational | |
| 7142 | Hadley Carne | 47.12 | 10 | B Min | BB: 43.29 (+3.83s | 8.1%) | Lakeridge Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 7143 | Charlotte Arends | 47.12 | 9 | B Min | BB: 43.29 (+3.83s | 8.1%) | Willmar Aquatic Racing Stingra | 10/26/2025 | 2025 MN HAST Great Pumpkin | |
| 7144 | Lana Giordano | 47.12 | 8 | B Min | BB: 43.29 (+3.83s | 8.1%) | YMCA of Metro North Tritons | 01/30/2026 | 2026 NE GS Silver Championships | |
| 7145 | Cora Wagner | 47.12 | 9 | B Min | BB: 43.29 (+3.83s | 8.1%) | Sea Devils | 01/10/2026 | 2026 MN MONC New Years Invite | |
| 7146 | Sydney Schroeder | 47.12 | 8 | B Min | BB: 43.29 (+3.83s | 8.1%) | Canyons Aquatic Club | 10/25/2025 | CANY Harry Potter Meet | |
| 7147 | Maura Rojas | 47.13 | 10 | B Min | BB: 43.29 (+3.84s | 8.1%) | Team Charlotte Swimming | 01/04/2026 | 2026 Team Sailfish Dual Copied | |
| 7148 | Evelyn Koehler | 47.13 | 9 | B Min | BB: 43.29 (+3.84s | 8.1%) | Worthington Swim Club | 02/19/2026 | 2026 OH WOR SC Regional Championships | |
| 7149 | London Krupinski | 47.13 | 9 | B Min | BB: 43.29 (+3.84s | 8.1%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 03/07/2026 | 2026 Lake Huron Regional Meet | |
| 7150 | Hazel Stephens | 47.13 | 8 | B Min | BB: 43.29 (+3.84s | 8.1%) | Middies Wave Ryders | 01/19/2026 | 2026 MR YMID MLK 8 Under 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.