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 | |
|---|---|---|---|---|---|---|---|---|---|
| 4201 | Emma Miyamoto | 51.27 | 10 | B Min | BB: 48.69 (+2.58s | 5.0%) | Aloha Aquatics Association | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 4202 | Skylar Byerson | 51.27 | 9 | B Min | BB: 48.69 (+2.58s | 5.0%) | Poseidon Swimming Inc | 10/24/2025 | NOVA Halloween Haunt | |
| 4203 | Molly Lynch | 51.27 | 9 | B Min | BB: 48.69 (+2.58s | 5.0%) | Makos Aquatics Club of Gainesv | 02/14/2026 | 10th Annual Small Team Championships | |
| 4204 | Everlei Ogram | 51.28 | 9 | B Min | BB: 48.69 (+2.59s | 5.1%) | Kingfish Swimming Medfield | 11/14/2025 | 2025 NE KING CAC Fall Invite Copied | |
| 4205 | Rayeanne Sun | 51.28 | 10 | B Min | BB: 48.69 (+2.59s | 5.1%) | Streamliner Aquatics | 12/20/2025 | 2025 BY Candy Cane Invitational | |
| 4206 | Abby Sharrett | 51.28 | 10 | B Min | BB: 48.69 (+2.59s | 5.1%) | Houston Hydra | 02/21/2025 | 2025 Gulf 12 Under Champs (TASC) | |
| 4207 | Nadia Reese | 51.28 | 10 | B Min | BB: 48.69 (+2.59s | 5.1%) | Sonoma Sea Dragons | 11/22/2025 | Thankswimming Classic 2025 | |
| 4208 | Anya Zhou | 51.28 | 9 | B Min | BB: 48.69 (+2.59s | 5.1%) | Nitro Swimming | 01/17/2026 | 2026 ST AQTX B Champs North | |
| 4209 | Valerie Truong | 51.29 | 10 | B Min | BB: 48.69 (+2.60s | 5.1%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 4210 | Charlei Ahmann | 51.29 | 10 | B Min | BB: 48.69 (+2.60s | 5.1%) | Watertown Area Swim Club | 05/30/2026 | 2026 Too Cool For The Pool | |
| 4211 | Sophie Chang | 51.29 | 9 | B Min | BB: 48.69 (+2.60s | 5.1%) | All Star Aquatics | 02/13/2026 | 2026 ASA President S Day Classic | |
| 4212 | Emma Hu | 51.29 | 9 | B Min | BB: 48.69 (+2.60s | 5.1%) | YMCA of the Triangle Area Swim | 01/17/2026 | 2026 YBAC Blizzard Invitational | |
| 4213 | Elisabeth Atkins | 51.29 | 10 | B Min | BB: 48.69 (+2.60s | 5.1%) | Piedmont Aquatic Club | 03/20/2026 | 2026 BRSL Championships | |
| 4214 | Penelope Arias | 51.29 | 9 | B Min | BB: 48.69 (+2.60s | 5.1%) | Seattle Metropolitan Aquatic C | 04/25/2026 | 2026 PN SSCD Spring Open Approved | |
| 4215 | Adaline Martiny | 51.30 | 9 | B Min | BB: 48.69 (+2.61s | 5.1%) | Merritt Athletic Swimming | 03/21/2026 | 2026 Maryland 9 10 B Championship Meet | |
| 4216 | Allegra Caromile | 51.30 | 10 | B Min | BB: 48.69 (+2.61s | 5.1%) | Smithfield YMCA Dolphins | 12/05/2025 | 2025 NE KCY YMCA Winter Champs | |
| 4217 | Sarah Wallace | 51.30 | 10 | B Min | BB: 48.69 (+2.61s | 5.1%) | New Wave Swim Team | 11/01/2025 | WAVE TA NSEA TRiMeet 2025 | |
| 4218 | Molly Johnson | 51.30 | 9 | B Min | BB: 48.69 (+2.61s | 5.1%) | Aquawolves Swimming | 02/14/2026 | 2026 CO AQUA February Home Meet | |
| 4219 | Bella Wang | 51.31 | 9 | B Min | BB: 48.69 (+2.62s | 5.1%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 4220 | Quinn Rich | 51.31 | 10 | B Min | BB: 48.69 (+2.62s | 5.1%) | North Kent Aquatic Team | 03/07/2026 | 2026 Lake Michigan Regional Meet | |
| 4221 | Jennie Liu | 51.31 | 9 | B Min | BB: 48.69 (+2.62s | 5.1%) | Milpitas Aquatic Club | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | |
| 4222 | Hayley Mann | 51.31 | 8 | B Min | BB: 48.69 (+2.62s | 5.1%) | Badger Swim Club,Inc. | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 4223 | Hazel Calderon | 51.31 | 9 | B Min | BB: 48.69 (+2.62s | 5.1%) | Westlake Aquatic Facility | 01/10/2026 | 2026 ST AHAC B Champs South Copied | |
| 4224 | Amelia Bernier | 51.31 | 8 | B Min | BB: 48.69 (+2.62s | 5.1%) | Tide Swimming | 02/07/2026 | 2026 8 And Under Southeastern District Champs | |
| 4225 | Laila Al-Turk | 51.32 | 10 | B Min | BB: 48.69 (+2.63s | 5.1%) | Greater Omaha Aquatics Leopard | 11/05/2025 | BLCK MW BT Block Party Sprint #1 | |
| 4226 | Ashree Suldhal | 51.32 | 10 | B Min | BB: 48.69 (+2.63s | 5.1%) | Benton Harbor-St. Joseph YMCA | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | |
| 4227 | Inara Dehar | 51.32 | 9 | B Min | BB: 48.69 (+2.63s | 5.1%) | Los Altos Mountain View Aquati | 07/19/2025 | 2025 DACA SC CBA Meet | |
| 4228 | Poppy Robbins | 51.32 | 9 | B Min | BB: 48.69 (+2.63s | 5.1%) | Upper Valley Aquatic Club | 01/16/2026 | 2026 NE UVAC Bronze Championships | |
| 4229 | Celine Lu | 51.32 | 8 | B Min | BB: 48.69 (+2.63s | 5.1%) | Long Island Aquatic Club | 01/10/2026 | 2026 MR FA Iron Dragon Invitational | |
| 4230 | Maria Moenter | 51.32 | 9 | B Min | BB: 48.69 (+2.63s | 5.1%) | T2 Aquatics | 09/13/2025 | 2025 T2 10 Under Kickoff | |
| 4231 | Allison Zhang | 51.32 | 9 | B Min | BB: 48.69 (+2.63s | 5.1%) | Westchester Aquatic Club | 02/28/2026 | 2026 MR QNS I Know I Can Invitational | |
| 4232 | Aurora Dalessandro | 51.32 | 10 | B Min | BB: 48.69 (+2.63s | 5.1%) | Club Fit Jefferson Valley | 02/06/2026 | 2026 MR COND Last Chance Invitational | |
| 4233 | Mila Didovic | 51.32 | 9 | B Min | BB: 48.69 (+2.63s | 5.1%) | Sarasota Sharks | 01/23/2026 | 2026 Hot Chocolate Invite | |
| 4234 | Skylar Ma | 51.32 | 9 | B Min | BB: 48.69 (+2.63s | 5.1%) | Lifetime | 03/13/2026 | 2026 NE INST NE Cup | |
| 4235 | Alyssa Chung | 51.33 | 7 | B Min | BB: 48.69 (+2.64s | 5.1%) | Cavalier Aquatics/Piedmont Fam | 01/31/2026 | LY Vs CA Y January Dual | |
| 4236 | Sofia Heaven | 51.33 | 9 | B Min | BB: 48.69 (+2.64s | 5.1%) | Seals Aquatics | 11/22/2025 | Thankswimming Classic 2025 | |
| 4237 | Abella Supertino | 51.34 | 9 | B Min | BB: 48.69 (+2.65s | 5.2%) | Blue Dolfins | 12/13/2025 | 2025 BD Holiday Invite | |
| 4238 | Eilie Roe | 51.34 | 10 | B Min | BB: 48.69 (+2.65s | 5.2%) | Mariemont Ohio Swim Team | 02/19/2026 | 2026 OH RAYS SC Regional Championships | |
| 4239 | Keelin Walsh | 51.34 | 10 | B Min | BB: 48.69 (+2.65s | 5.2%) | Quest Swimming | 09/19/2025 | Quest Swimming Kickoff Intrasquad | |
| 4240 | Alexandra Sun | 51.35 | 8 | B Min | BB: 48.69 (+2.66s | 5.2%) | Asphalt Green Unified Aquatics | 01/17/2026 | 2026 MR AGUA MLK Invitational | |
| 4241 | Alannah Moore | 51.35 | 10 | B Min | BB: 48.69 (+2.66s | 5.2%) | Hickam Hurricanes | 04/18/2026 | 44th Annual Harry Mamizuka Invitational | |
| 4242 | Deetya Ivalla | 51.35 | 10 | B Min | BB: 48.69 (+2.66s | 5.2%) | Drop Aquatics | 02/27/2026 | 2026 MCSA Junior Cup | |
| 4243 | Valerie Salerno | 51.35 | 9 | B Min | BB: 48.69 (+2.66s | 5.2%) | Fairfax Foxes Swimming | 11/07/2025 | 2025 FXFX Loughmiller Memorial | |
| 4244 | Harper Fey | 51.35 | 9 | B Min | BB: 48.69 (+2.66s | 5.2%) | Monmouth Barracudas | 04/10/2026 | 2026 GTSA TYR Spring Championship | |
| 4245 | Rose Boneparth | 51.35 | 10 | B Min | BB: 48.69 (+2.66s | 5.2%) | Portland Porpoise Swim Club | 01/16/2026 | 2026 NE CRIM Bronze Championship | |
| 4246 | Alexa Brinkley | 51.35 | 10 | B Min | BB: 48.69 (+2.66s | 5.2%) | Quest Swimming | 09/19/2025 | Quest Swimming Kickoff Intrasquad | |
| 4247 | Lillyana Basil | 51.35 | 10 | B Min | BB: 48.69 (+2.66s | 5.2%) | Alamo Area Aquatic Association | 01/21/2026 | 2026 ST AAAA NS January Race Night | |
| 4248 | Viviana Thomas | 51.36 | 10 | B Min | BB: 48.69 (+2.67s | 5.2%) | Celebration Cyclones | 04/18/2026 | 2026 BMAC Spring Speed Challenge | |
| 4249 | Teagan Spinosa | 51.36 | 7 | B Min | BB: 48.69 (+2.67s | 5.2%) | T2 Aquatics | 02/07/2026 | 2026 GCST WINTER OPEN | |
| 4250 | Rose Ramirez | 51.36 | 7 | B Min | BB: 48.69 (+2.67s | 5.2%) | Katy Aquatic Team For Youth | 01/18/2025 | 2025 LSST January Frosty 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.