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 | |
|---|---|---|---|---|---|---|---|---|---|
| 5251 | Penrose Jaczko | 44.58 | 10 | B Min | BB: 43.29 (+1.29s | 2.9%) | Nation\\\\\\'s Capital Swim Club | 02/13/2026 | 2026 ASA President S Day Classic | |
| 5252 | Emery Souchock | 44.59 | 8 | B Min | BB: 43.29 (+1.30s | 2.9%) | Saline Swim Team | 02/06/2026 | SST Snowstorm Splash | |
| 5253 | Natalee Buckheit | 44.59 | 10 | B Min | BB: 43.29 (+1.30s | 2.9%) | Aqua Culture Swim School | 02/01/2026 | 2026 Little Blue Penguin Pentathlon | |
| 5254 | Adeline Zeanah | 44.59 | 10 | B Min | BB: 43.29 (+1.30s | 2.9%) | Tennessee Aquatics | 02/13/2026 | 2026 SE BAY Region 2 Championships Copied | |
| 5255 | Anna Ornelas | 44.59 | 10 | B Min | BB: 43.29 (+1.30s | 2.9%) | Centro Acuatico Universitario | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 5256 | Asher East | 44.59 | 10 | B Min | BB: 43.29 (+1.30s | 2.9%) | Hub Fins | 10/04/2025 | 2025 CMSA Vance Rose Invitational | |
| 5257 | Hailey Esbenshade | 44.59 | 10 | B Min | BB: 43.29 (+1.30s | 2.9%) | Ohana Swim Team | 02/13/2026 | 2026 PN UPAC 4th Annual Feb Fly In Approved | |
| 5258 | Victoria Emrich | 44.59 | 8 | B Min | BB: 43.29 (+1.30s | 2.9%) | West Texas Typhoon | 12/07/2025 | 2025 BD Del Norte #3 | |
| 5259 | Catherine Croft | 44.59 | 9 | B Min | BB: 43.29 (+1.30s | 2.9%) | 92ny Flying Dolphins | 01/16/2026 | 2026 MR LIE Winterfest Invitational | |
| 5260 | Laina Newman | 44.60 | 9 | B Min | BB: 43.29 (+1.31s | 2.9%) | Commonwealth Swimming | 01/16/2026 | 2026 NE CS Bronze Championships | |
| 5261 | Viktoria Nastoska | 44.60 | 9 | B Min | BB: 43.29 (+1.31s | 2.9%) | Aquatic Team Of Mecklenburg | 01/10/2026 | ATOM Frosty Invitational 2026 | |
| 5262 | Krista Natino | 44.60 | 10 | B Min | BB: 43.29 (+1.31s | 2.9%) | South Florida Aquatic Club | 01/16/2026 | 2026 Speedo SoFlo Open | |
| 5263 | Chloe Zhou | 44.60 | 7 | B Min | BB: 43.29 (+1.31s | 2.9%) | Nitro Swimming | 02/06/2026 | 2026 ST AQTX STX Champs North | |
| 5264 | Emma Bryan | 44.60 | 10 | B Min | BB: 43.29 (+1.31s | 2.9%) | MN Flyers Swim Team | 11/01/2025 | 2025 MN NOR Champ Belt Sprint Spec (Fall) | |
| 5265 | Emily Durfee | 44.60 | 10 | B Min | BB: 43.29 (+1.31s | 2.9%) | South Shore YMCA Strypers | 10/17/2025 | 2025 NE NSSC Beede Halloween Classic Copied | |
| 5266 | Megan Chang | 44.60 | 9 | B Min | BB: 43.29 (+1.31s | 2.9%) | Nitro Swimming | 01/17/2026 | 2026 ST AQTX B Champs North | |
| 5267 | Maya Bhachawat | 44.60 | 9 | B Min | BB: 43.29 (+1.31s | 2.9%) | Long Island Aquatic Club | 01/10/2026 | 2026 MR FA Iron Dragon Invitational | |
| 5268 | Maeve Herbst | 44.60 | 9 | B Min | BB: 43.29 (+1.31s | 2.9%) | FireFish Swim Team | 01/16/2026 | 2026 NE CS Bronze Championships | |
| 5269 | Mackenzie Klipp | 44.61 | 9 | B Min | BB: 43.29 (+1.32s | 3.0%) | Quest Swimming | 11/15/2025 | 2025 WAC Fall Classic | |
| 5270 | Madeline Popa | 44.61 | 8 | B Min | BB: 43.29 (+1.32s | 3.0%) | Tampa Bay Aquatic Club | 02/06/2026 | 2026 TBAC Winter Meet Copied | |
| 5271 | Tessa Vanhoozier | 44.61 | 9 | B Min | BB: 43.29 (+1.32s | 3.0%) | Aquatic Team Of Mecklenburg | 01/10/2026 | ATOM Frosty Invitational 2026 | |
| 5272 | Monika Likhachova | 44.61 | 10 | B Min | BB: 43.29 (+1.32s | 3.0%) | South Snohomish Co Dolphins | 01/24/2026 | 2026 PN IST January Invitational Approved | |
| 5273 | Lily Noble | 44.61 | 11 | B Min | BB: 43.29 (+1.32s | 3.0%) | FireFish Swim Team | 01/10/2026 | 2026 NE KING RI Rhody Nor Eastah | |
| 5274 | Ava Monce | 44.61 | 10 | B Min | BB: 43.29 (+1.32s | 3.0%) | Barracuda Swim Club of Northea | 09/27/2025 | 2025 Red Piranha Swimming SC Kickoff | |
| 5275 | Briella Stokes | 44.62 | 9 | B Min | BB: 43.29 (+1.33s | 3.0%) | Hauppauge Swimming | 12/11/2025 | 2025 MR HAUP Eagle Invitational | |
| 5276 | Ellie Ahn | 44.62 | 10 | B Min | BB: 43.29 (+1.33s | 3.0%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 5277 | Allison Hernandez | 44.62 | 9 | B Min | BB: 43.29 (+1.33s | 3.0%) | Prince William Swim Club | 02/13/2026 | 2026 Northern District 12 Under Championship | |
| 5278 | Yuna Jang | 44.62 | 10 | B Min | BB: 43.29 (+1.33s | 3.0%) | Livonia Community Swim Club | 02/28/2026 | 2026 Last Chance Meet | |
| 5279 | Morgan Quattlebaum | 44.62 | 11 | B Min | BB: 43.29 (+1.33s | 3.0%) | Mecklenburg Swim Association | 02/07/2026 | MSA IM Tough Meet 2026 | |
| 5280 | Mia Andrasko | 44.62 | 9 | B Min | BB: 43.29 (+1.33s | 3.0%) | Pearl City Aquatics | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 5281 | Catherine Sheng | 44.63 | 9 | B Min | BB: 43.29 (+1.34s | 3.0%) | Tac Titans | 12/19/2025 | 2025 TAC TITANS Jingle Bells Meet | |
| 5282 | Zoe Mahnke | 44.63 | 8 | B Min | BB: 43.29 (+1.34s | 3.0%) | YMCA of the Triangle Area Swim | 02/13/2026 | Speedo 2026 MOR Short Course Qualifier Meet | |
| 5283 | Alaina O'Connor | 44.63 | 9 | B Min | BB: 43.29 (+1.34s | 3.0%) | Coast Aquatics | 02/13/2026 | 2026 SES Region 4 Championships | |
| 5284 | Sarika Bhattacharyya | 44.63 | 9 | B Min | BB: 43.29 (+1.34s | 3.0%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 5285 | Summer Hill | 44.63 | 10 | B Min | BB: 43.29 (+1.34s | 3.0%) | Lehi Aquatics | 12/13/2025 | 2025 UTAH Winter Classic | |
| 5286 | Julia Mardambek | 44.63 | 9 | B Min | BB: 43.29 (+1.34s | 3.0%) | Nation\\\\\\'s Capital Swim Club | 10/18/2025 | 2025 AAC Fall Gator Mini Meet | |
| 5287 | Jahzara Saunders | 44.63 | 9 | B Min | BB: 43.29 (+1.34s | 3.0%) | Gator Swim Club | 09/21/2025 | 2025 FAST Pentathlon | |
| 5288 | Emma McBride | 44.63 | 9 | B Min | BB: 43.29 (+1.34s | 3.0%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | |
| 5289 | Isabella Mcknight | 44.63 | 9 | B Min | BB: 43.29 (+1.34s | 3.0%) | Swim Kauai Aquatics | 12/06/2025 | Kauai Ho Oilo Winter Meet | |
| 5290 | Sojung Park | 44.63 | 7 | B Min | BB: 43.29 (+1.34s | 3.0%) | Los Angeles Swim Club | 10/25/2025 | CANY Harry Potter Meet | |
| 5291 | Aurora Clark | 44.63 | 9 | B Min | BB: 43.29 (+1.34s | 3.0%) | Las Cruces Aquatic Team | 11/02/2025 | 2025 BD Del Norte #2 | |
| 5292 | Madelyn Wiesen | 44.63 | 9 | B Min | BB: 43.29 (+1.34s | 3.0%) | Denver Swim Academy | 02/14/2026 | 2026 CO ACES Winter Open | |
| 5293 | Brynn Vanorny | 44.63 | 10 | B Min | BB: 43.29 (+1.34s | 3.0%) | SwimRise Aquatics | 01/30/2026 | 2026 Hydro Winter Open | |
| 5294 | Sydney Wiegel | 44.63 | 10 | B Min | BB: 43.29 (+1.34s | 3.0%) | Norfolk Silver Dolphins | 11/22/2025 | ECAT FPJ Memorial Invitational 2025 | |
| 5295 | Cecilia Gadzinski | 44.64 | 9 | B Min | BB: 43.29 (+1.35s | 3.0%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 01/16/2026 | 2026 Odd Age Classic | |
| 5296 | Elsa Fregoso | 44.64 | 10 | B Min | BB: 43.29 (+1.35s | 3.0%) | San Antonio Wave | 11/07/2025 | 2025 ST SASA Sombrero Series Tres | |
| 5297 | Kate Ventura | 44.64 | 10 | B Min | BB: 43.29 (+1.35s | 3.0%) | Wave Aquatics | 11/22/2025 | 2025 PN Nov AGI, Division 2 (SMAC) | |
| 5298 | Hannah Anslinger | 44.64 | 9 | B Min | BB: 43.29 (+1.35s | 3.0%) | The Dalles Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 5299 | Miranda Stewart | 44.64 | 10 | B Min | BB: 43.29 (+1.35s | 3.0%) | Neptune Swimming | 07/26/2025 | 2025 REAL Championships | |
| 5300 | Tayren Mahaulu | 44.64 | 9 | B Min | BB: 43.29 (+1.35s | 3.0%) | Warrior Aquatic Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | |
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.