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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5101 | Adela Gonzalez | 46.00 | 9 | B Min | BB: 43.29 (+2.71s | 5.9%) | El Paso Aqua Posse | 09/20/2026 | 2026 BD Del Norte #1 | |
| 5102 | Grace Boer | 46.01 | 10 | B Min | BB: 43.29 (+2.72s | 5.9%) | Grand Rapids Aquatics | 11/15/2025 | 2025 GR Gales Of November Open Invitational | |
| 5103 | Ava Hamrick | 46.01 | 8 | B Min | BB: 43.29 (+2.72s | 5.9%) | Logan County High School | 12/13/2025 | 2025 WCST Holiday Invitational | |
| 5104 | Emma Saxon | 46.01 | 9 | B Min | BB: 43.29 (+2.72s | 5.9%) | Ensworth Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 5105 | Noelle Berkland | 46.01 | 10 | B Min | BB: 43.29 (+2.72s | 5.9%) | Park City Swimming | 10/10/2025 | 2025 PC Sprints | |
| 5106 | Alyse Derrico | 46.01 | 9 | B Min | BB: 43.29 (+2.72s | 5.9%) | Indian River Aquatics | 02/06/2026 | 2026 Stanton C Craigie Memorial Invite | |
| 5107 | Libby Andreason | 46.01 | 9 | B Min | BB: 43.29 (+2.72s | 5.9%) | Lehi Aquatics | 11/01/2025 | Dive Into The Unknown 2025 | |
| 5108 | Hathaway Dary | 46.01 | 8 | B Min | BB: 43.29 (+2.72s | 5.9%) | Carolina Aquatic Team | 11/21/2025 | 2025 ECA Southeastern Classic | |
| 5109 | Brianna Shay | 46.01 | 5 | B Min | BB: 43.29 (+2.72s | 5.9%) | Hillsborough Aquatic Club | 02/14/2026 | 2026 CAT Valentine Splash | |
| 5110 | Delaney Lynch | 46.01 | 9 | B Min | BB: 43.29 (+2.72s | 5.9%) | Carrollwood Village Swim Team | 10/09/2026 | 2026 GTSA TYR Swim Classic | |
| 5111 | Aria Hanger | 46.01 | 10 | B Min | BB: 43.29 (+2.72s | 5.9%) | Hydro Swim Club | 10/25/2026 | 2026 Hydro Halloween Pentathlon | |
| 5112 | Ivy Coleman | 46.02 | 8 | B Min | BB: 43.29 (+2.73s | 5.9%) | Clovis Swim Club | 01/10/2026 | 2026 Clovis Swim Club Winter Open | |
| 5113 | Vesper Simonetti | 46.02 | 8 | B Min | BB: 43.29 (+2.73s | 5.9%) | Greater Columbus Swim Tm Of Oh | 02/19/2026 | 2026 OH UASC SC Regional Championships | |
| 5114 | Emily Blanner | 46.02 | 9 | B Min | BB: 43.29 (+2.73s | 5.9%) | Parkway-Rockwood Gateway Swim | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
| 5115 | Stella Jacobs | 46.02 | 10 | B Min | BB: 43.29 (+2.73s | 5.9%) | Swimchester Sailfish | 10/16/2026 | Ryan Moore Invitational | |
| 5116 | Sophie Humphrey | 46.02 | 8 | B Min | BB: 43.29 (+2.73s | 5.9%) | Pack Swim Team of Pittsford | 10/24/2026 | 2026 Victor Halloween Classic | |
| 5117 | Charlotte Lai Ong Teung | 46.02 | 8 | B Min | BB: 43.29 (+2.73s | 5.9%) | Alto Swim Club | 10/24/2026 | BAC SPOOKY FALL CLASSIC | |
| 5118 | Kha Le | 46.02 | 9 | B Min | BB: 43.29 (+2.73s | 5.9%) | Beaverton Area Aquatics Club | 10/23/2026 | 2026 THSC Fall Invitational | |
| 5119 | Maren Shah | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | Form Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | |
| 5120 | Aliyah Pleisch | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | Nation\\\\\\'s Capital Swim Club | 01/10/2026 | 2026 MAKO POLAR PLUNGE | |
| 5121 | Barri Lucas | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | The Woodlands Swim Team | 01/17/2025 | 2025 TWST Speedo Winter Classic Invitational | |
| 5122 | Emily Larcom | 46.03 | 9 | B Min | BB: 43.29 (+2.74s | 6.0%) | Monocacy Aquatic Club | 05/02/2026 | 2026 MAC May Hem Mini Meet | |
| 5123 | Hattie Martin | 46.03 | 10 | B Min | BB: 43.29 (+2.74s | 6.0%) | Seattle Metropolitan Aquatic C | 11/09/2025 | 2025 PN SMAC November Mini Meet | |
| 5124 | Alaina Leung | 46.03 | 9 | B Min | BB: 43.29 (+2.74s | 6.0%) | Swim Kauai Aquatics | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 5125 | Devon Goldman | 46.03 | 9 | B Min | BB: 43.29 (+2.74s | 6.0%) | Sebastopol Sea Serpents | 10/23/2026 | SSS 2026 Pumpkin Plunge | |
| 5126 | Lively Mitchell | 46.03 | 9 | B Min | BB: 43.29 (+2.74s | 6.0%) | Northside Aquatics | 10/24/2026 | 2026 ST NIST Spooky Splash | |
| 5127 | Aya Refaei | 46.04 | 10 | B Min | BB: 43.29 (+2.75s | 6.0%) | The Capitol Sea Devils | 11/21/2025 | 2025 Swim Rock | |
| 5128 | Caroline Vogel | 46.04 | 10 | B Min | BB: 43.29 (+2.75s | 6.0%) | Nashville Aquatic Club | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 5129 | Bliss Biedebach | 46.04 | 9 | B Min | BB: 43.29 (+2.75s | 6.0%) | Greater Pensacola Aquatic Club | 02/13/2026 | 2026 SES Region 4 Championships | |
| 5130 | Juliette Leong | 46.04 | 10 | B Min | BB: 43.29 (+2.75s | 6.0%) | Sparks Piranhas Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 5131 | Sarah Xie | 46.05 | 9 | B Min | BB: 43.29 (+2.76s | 6.0%) | Monocacy Aquatic Club | 05/02/2026 | 2026 MAC May Hem Mini Meet | |
| 5132 | Zoe Guevara | 46.05 | 10 | B Min | BB: 43.29 (+2.76s | 6.0%) | Mountainside | 02/14/2025 | 2025 OR HS 6a 2 | |
| 5133 | Chima Ezekoye | 46.05 | 10 | B: 38.79 (+7.26s | 15.8%) | Aquajets Swim Team | 05/17/2025 | 2025 MN AQJT May Flowers | ||
| 5134 | Marina Hicks | 46.05 | 9 | B Min | BB: 43.29 (+2.76s | 6.0%) | City of Mobile Swim Associatio | 02/13/2026 | 2026 SES Region 4 Championships | |
| 5135 | Elise Tremolet de Villers | 46.05 | 9 | B Min | BB: 43.29 (+2.76s | 6.0%) | North Jeffco Swim Team | 03/13/2026 | Mile High Championship Invitational | |
| 5136 | Melissa Mitul | 46.05 | 10 | B Min | BB: 43.29 (+2.76s | 6.0%) | Coast Aquatics | 05/08/2026 | Friday Night Lights | |
| 5137 | Hadlie Heale | 46.06 | 9 | B Min | BB: 43.29 (+2.77s | 6.0%) | Atlantic Coast Athletic Club | 12/04/2025 | 14th Annual Swim Tri Speedo Winter Champs | |
| 5138 | Annie Wang | 46.06 | 9 | B Min | BB: 43.29 (+2.77s | 6.0%) | YMCA of Middletown Barracudas | 01/31/2026 | 2026 MR MWDA YBAR Sink Or Swim Invitational | |
| 5139 | Reeya Allam | 46.06 | 8 | B Min | BB: 43.29 (+2.77s | 6.0%) | Greater Omaha Aquatics Leopard | 01/31/2026 | 2026 MW SCSC President S Day Meet | |
| 5140 | Edie Castro | 46.06 | 10 | B Min | BB: 43.29 (+2.77s | 6.0%) | AC Swim Club | 10/03/2026 | Neptune Swimming Fall Classic | |
| 5141 | Hayden Poulin | 46.06 | 9 | B Min | BB: 43.29 (+2.77s | 6.0%) | Issaquah Swim Team | 09/26/2026 | 2026 PN IST Sockeye Sprints Approved | |
| 5142 | Colbie Mosher | 46.07 | 9 | B Min | BB: 43.29 (+2.78s | 6.0%) | North Jersey Barracudas | 12/06/2025 | 2025 MR NDAC Kevin Storrs Winter Festival | |
| 5143 | Riley Wessels | 46.07 | 10 | B Min | BB: 43.29 (+2.78s | 6.0%) | SwimTLC-Parker Phenomena Swim | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 5144 | Charlotte Butarbutar | 46.07 | 9 | B Min | BB: 43.29 (+2.78s | 6.0%) | 757swim | 02/13/2026 | 2026 Southeast District 9 12 Championship | |
| 5145 | Alisa Beltre | 46.07 | 9 | B Min | BB: 43.29 (+2.78s | 6.0%) | West Islip Swim Club | 12/12/2025 | 2025 MR RFAC Elizabeth Miller Holiday Invite | |
| 5146 | Eleanor Lee | 46.07 | 9 | B Min | BB: 43.29 (+2.78s | 6.0%) | Alamo Heights Aquatic Club ? A | 09/26/2026 | 2026 1st Annual San Antonio Dual Meet Showcas | |
| 5147 | Florence Bradley | 46.07 | 9 | B Min | BB: 43.29 (+2.78s | 6.0%) | Tornadoes Swim Team | 10/09/2026 | 2026 OR HEAT Fall Invitational | |
| 5148 | Evelynn Detrisac | 46.08 | 7 | B Min | BB: 43.29 (+2.79s | 6.1%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 5149 | Claire Goleman | 46.08 | 10 | B Min | BB: 43.29 (+2.79s | 6.1%) | Oregon City | 02/15/2025 | 2025 OR HS 6A 5 | |
| 5150 | Felicity Frydryk | 46.08 | 10 | B Min | BB: 43.29 (+2.79s | 6.1%) | Star Aquatics | 10/03/2025 | 2025 STAR September Friday Night At The Races | |
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.