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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3001 | Lennon Stone | 42.80 | 10 | BB Min | A: 37.99 (+4.81s | 11.2%) | Walnut Creek Aquabears | 11/15/2024 | Pacific Swimming SCY B BB+ Last Chance Meet | |
| 3002 | Sorelle Henrichs | 42.80 | 9 | BB Min | A: 37.99 (+4.81s | 11.2%) | SlipStream Aquatics | 03/14/2025 | 2025 CO NJ Mile High Championships | |
| 3003 | Meenakshi Machha | 42.80 | 10 | BB Min | A: 37.99 (+4.81s | 11.2%) | Stingray Swim Team | 11/22/2025 | 2025 PN Nov AGI, Division 2 (SMAC) | |
| 3004 | Ramona Marchetti | 42.80 | 9 | BB Min | A: 37.99 (+4.81s | 11.2%) | Rima United | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 3005 | Clara Fiske | 42.80 | 9 | BB Min | A: 37.99 (+4.81s | 11.2%) | Revolution Swim Club | 01/09/2026 | 2026 NE CRIM Jan Team Specialty | |
| 3006 | Charlotte Davenport | 42.81 | 10 | BB Min | A: 37.99 (+4.82s | 11.3%) | YMCA of Snohomish County Barra | 05/15/2026 | 2026 PN TAC Spring Thunderbird Approved | |
| 3007 | Sadie Chao | 42.81 | 9 | BB Min | A: 37.99 (+4.82s | 11.3%) | Highland Dolphins Aquatic Club | 03/07/2026 | BAC Race To AGCs | |
| 3008 | Frances Crossman | 42.81 | 10 | BB Min | A: 37.99 (+4.82s | 11.3%) | Cascade Swim Club | 03/28/2026 | 2026 PN Spring Showdown, Div 3 Approved | |
| 3009 | Lydia Stursma | 42.81 | 9 | BB Min | A: 37.99 (+4.82s | 11.3%) | Huntsville Swim Association | 01/16/2026 | 2026 HSA TYR Invitational | |
| 3010 | Haydrianna Tran | 42.81 | 10 | BB Min | A: 37.99 (+4.82s | 11.3%) | King Aquatic Club | 01/31/2026 | 2026 PN KING Beast IMX IMR Invitational Appr | |
| 3011 | Louise Simpson | 42.81 | 10 | BB Min | A: 37.99 (+4.82s | 11.3%) | Canoe City Swim Club | 05/16/2026 | 2026 NE Seal Summer Sprint Meet | |
| 3012 | Avery Pascucci | 42.81 | 9 | BB Min | A: 37.99 (+4.82s | 11.3%) | Long Island Aquatic Club | 03/27/2026 | 2026 MR Bronze Championship South LIE | |
| 3013 | Tatiana Marian | 42.81 | 10 | BB Min | A: 37.99 (+4.82s | 11.3%) | Neptune Swimming | 07/25/2026 | 2026 REAL Championships | |
| 3014 | Olivia Martin | 42.82 | 10 | BB Min | A: 37.99 (+4.83s | 11.3%) | Danvers YMCA Dolfins | 04/04/2026 | 2026 NE NSSC Sprint Meet | |
| 3015 | Nithila Sudalaimuthu | 42.82 | 10 | BB Min | A: 37.99 (+4.83s | 11.3%) | Front Range Barracudas | 04/17/2026 | 2026 CO CUDA April Pizza Meet | |
| 3016 | Alice Green | 42.83 | 8 | BB Min | A: 37.99 (+4.84s | 11.3%) | Stingray Swim Team | 04/18/2026 | 2026 PN MMSC Marlins Madness Approved | |
| 3017 | Ella Gorshkov | 42.83 | 9 | BB Min | A: 37.99 (+4.84s | 11.3%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 3018 | Kai Heli | 42.83 | 10 | BB Min | A: 37.99 (+4.84s | 11.3%) | Tucson Ford Dealers Aquatics | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 3019 | Audrey Leong | 42.83 | 10 | BB Min | A: 37.99 (+4.84s | 11.3%) | Qns Aquatic Club | 02/07/2026 | 2026 MR QNS We Fly High Invitational | |
| 3020 | Oceane Loya | 42.83 | 10 | BB Min | A: 37.99 (+4.84s | 11.3%) | El Paso Aqua Posse | 01/23/2026 | 2026 BD JCAT IMX 2026 | |
| 3021 | Grace Jin | 42.83 | 10 | BB Min | A: 37.99 (+4.84s | 11.3%) | YMCA of the Triangle Area Swim | 12/05/2025 | 2025 TYDE Winter Championship | |
| 3022 | Bailey Sokoloff | 42.83 | 9 | BB Min | A: 37.99 (+4.84s | 11.3%) | Patriot Aquatics | 02/28/2026 | 2026 Spring Area 2 Championships | |
| 3023 | Genevieve London | 42.83 | 9 | BB Min | A: 37.99 (+4.84s | 11.3%) | Raleigh Swimming Association | 07/25/2026 | 2026 RSA Flip Flop | |
| 3024 | Vivienne Jameson | 42.83 | 10 | BB Min | A: 37.99 (+4.84s | 11.3%) | Saint Petersburg Aquatics | 10/17/2025 | FRIDAY NITE RACES OCT 2025 | |
| 3025 | Viola Zhang | 42.83 | 9 | BB Min | A: 37.99 (+4.84s | 11.3%) | All Star Aquatics | 12/05/2025 | 2025 Christmas Championships | |
| 3026 | Karina Tralik | 42.83 | 10 | BB Min | A: 37.99 (+4.84s | 11.3%) | Houston Hydra | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 3027 | Lillian Gustafson | 42.84 | 8 | BB Min | A: 37.99 (+4.85s | 11.3%) | Aquajets Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 3028 | Olive Brunswick | 42.84 | 9 | BB Min | A: 37.99 (+4.85s | 11.3%) | Rancho San Dieguito | 12/05/2025 | SI 2025 RSD All Ages WAG Max | |
| 3029 | Elsie Woo | 42.84 | 10 | BB Min | A: 37.99 (+4.85s | 11.3%) | Punahou Aquatics Institute | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 3030 | Charlotte Borovsky | 42.84 | 9 | BB Min | A: 37.99 (+4.85s | 11.3%) | Aces Swim Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | |
| 3031 | Evelyn Cassity | 42.84 | 10 | B: 38.79 (+4.05s | 9.5%) | Atlantic Beach Country Club | 07/26/2025 | 2025 NFSSL Champs | ||
| 3032 | Addilyn Seacord | 42.84 | 8 | BB Min | A: 37.99 (+4.85s | 11.3%) | Asphalt Green Unified Aquatics | 03/07/2026 | 2026 MR Metro 8 Under Championships | |
| 3033 | Everly Hsueh | 42.84 | 10 | BB Min | A: 37.99 (+4.85s | 11.3%) | Milpitas Aquatic Club | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 3034 | Tanith Sisemore | 42.84 | 10 | BB Min | A: 37.99 (+4.85s | 11.3%) | Fort Collins Area Swim Team | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | |
| 3035 | Brynn Acosta | 42.84 | 10 | BB Min | A: 37.99 (+4.85s | 11.3%) | SwimMAC Carolina | 01/23/2026 | 2026 NC SwimMAC Battle Of The Crown | |
| 3036 | Parisa Oumarova | 42.84 | 9 | BB Min | A: 37.99 (+4.85s | 11.3%) | Freedom Aquatics | 02/07/2026 | 2026 MR FREE Championships Meets Qualifier | |
| 3037 | Ella Oberthuer | 42.85 | 8 | BB Min | A: 37.99 (+4.86s | 11.3%) | Ridgewood YMCA Breakers Swim T | 03/20/2026 | 2026 NE NSSC March Madness At MIT | |
| 3038 | Gabriella Gonatos | 42.85 | 9 | BB Min | A: 37.99 (+4.86s | 11.3%) | Piranhas YMCA of the Suncoast | 02/20/2026 | Bay Area Spring Championships | |
| 3039 | Lanxuan Shen | 42.85 | 9 | BB Min | A: 37.99 (+4.86s | 11.3%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 3040 | Morgan Pannenko | 42.85 | 10 | BB Min | A: 37.99 (+4.86s | 11.3%) | Mystic Hammerheads | 02/01/2026 | 2026 NE NCYW 36th Annual YMCA Pentathlon | |
| 3041 | Yana Gumienny | 42.85 | 9 | BB Min | A: 37.99 (+4.86s | 11.3%) | Sarasota Tsunami Swim Team | 02/21/2026 | CCS Last Chance Meet Feb 2026 | |
| 3042 | Laria Maries | 42.85 | 10 | BB Min | A: 37.99 (+4.86s | 11.3%) | Blue Wave Swimming | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 3043 | Ellin Moh | 42.86 | 10 | BB Min | A: 37.99 (+4.87s | 11.4%) | Moons Aquatics Club | 09/27/2025 | 2025 PV MAKO FALL INVITATIONAL | |
| 3044 | Bristol Mooney | 42.86 | 10 | BB Min | A: 37.99 (+4.87s | 11.4%) | Ramona Swim Team | 08/08/2026 | 2026 SI CAST All Ages August Wrap Up Meet C | |
| 3045 | Azaria Nicas | 42.86 | 10 | BB Min | A: 37.99 (+4.87s | 11.4%) | Swim Streamline at Northampton | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 3046 | Dakota Combs | 42.86 | 10 | BB Min | A: 37.99 (+4.87s | 11.4%) | Valley Swim Team Phoenix | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 3047 | Layana Crutchley | 42.86 | 8 | BB Min | A: 37.99 (+4.87s | 11.4%) | Riptide Swim Team | 03/07/2026 | 2026 MN RSC 10 U State Championship | |
| 3048 | Olivia Chen | 42.86 | 9 | BB Min | A: 37.99 (+4.87s | 11.4%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 3049 | Sarah He | 42.86 | 10 | BB Min | A: 37.99 (+4.87s | 11.4%) | California Dolphins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 3050 | Carolina Espinal | 42.86 | 10 | BB Min | A: 37.99 (+4.87s | 11.4%) | Monocacy Aquatic Club | 03/13/2026 | 2026 Speedo Maryland Junior Championship Si | |
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.