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 | |
|---|---|---|---|---|---|---|---|---|---|
| 351 | Sofia Khalfin | 41.77 | 9 | A Min | AA: 40.89 (+0.88s | 2.1%) | Terrapins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 352 | Quail Serra | 41.77 | 10 | A Min | AA: 40.89 (+0.88s | 2.1%) | Sebastopol Sea Serpents | 10/09/2026 | VJO S Sprint For The Golden Ticket 2026 C | |
| 353 | Nora Moore | 41.79 | 10 | A Min | AA: 40.89 (+0.90s | 2.2%) | SwimMAC Carolina | 01/02/2026 | 2026 SwimMAC IMX Winter Invite Copied | |
| 354 | Charlotte Lohser | 41.81 | 10 | A Min | AA: 40.89 (+0.92s | 2.2%) | Swim Florida | 09/19/2026 | 2026 GCST FALL OPEN | |
| 355 | Ruby Li | 41.81 | 10 | A Min | AA: 40.89 (+0.92s | 2.2%) | Palo Alto Stanford Aquatics | 10/24/2026 | SUNN Fall Classic 2026 | |
| 356 | Nya Ferguson | 41.82 | 9 | A Min | AA: 40.89 (+0.93s | 2.2%) | Sunrise Swimming | 09/11/2026 | September Central Park Series | |
| 357 | Vanessa Pham | 41.82 | 10 | A Min | AA: 40.89 (+0.93s | 2.2%) | Nitro Swimming | 10/18/2026 | 2026 ST TXLA 10 U Fall Kick Off Invite | |
| 358 | Sadie George | 41.84 | 10 | A Min | AA: 40.89 (+0.95s | 2.3%) | Sand Mountain Park Swimming | 09/26/2026 | 2026 KONA ICE INVITATIONAL | |
| 359 | Teagan Clift | 41.84 | 10 | A Min | AA: 40.89 (+0.95s | 2.3%) | Portland Aquatic Club | 09/26/2026 | FGSC 2026 Season Opener Pentathlon | |
| 360 | Arianna Sookal | 41.84 | 10 | A Min | AA: 40.89 (+0.95s | 2.3%) | Cardinal Aquatics | 10/16/2026 | 2026 SwimVille USA Jack Thompson Classic | |
| 361 | Evelina Cheng | 41.86 | 10 | A Min | AA: 40.89 (+0.97s | 2.3%) | Mason Makos Swim Team | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 362 | Mary McInnis | 41.88 | 10 | A Min | AA: 40.89 (+0.99s | 2.4%) | Unattached | 09/20/2026 | Blue Tide 2026 Season Opener | |
| 363 | Arabella Rusch | 41.89 | 10 | A Min | AA: 40.89 (+1.00s | 2.4%) | Herndon Aquatic Club | 03/21/2026 | 2026 MAKO SPRING FLING | |
| 364 | Anya Reckhow | 41.89 | 8 | A Min | AA: 40.89 (+1.00s | 2.4%) | Cascade Swim Club | 10/03/2026 | 2026 PN CSC Fall Classic Invitational Approve | |
| 365 | Abigail Hartman | 41.90 | 10 | A Min | AA: 40.89 (+1.01s | 2.4%) | Machine Aquatics | 02/20/2026 | 2026 Machine Qualifier | |
| 366 | Christina Perdomo | 41.93 | 9 | A Min | AA: 40.89 (+1.04s | 2.5%) | Metro Area Life Time | 10/17/2026 | 2026 EEX RU Scared Yet | |
| 367 | Elle McLaughlin | 41.94 | 10 | A Min | AA: 40.89 (+1.05s | 2.5%) | MN Flyers Swim Team | 11/01/2025 | 2025 MN NOR Champ Belt Sprint Spec (Fall) | |
| 368 | Yuguo Li | 41.94 | 8 | A Min | AA: 40.89 (+1.05s | 2.5%) | Spartan Aquatic Club | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 369 | Quinn Ryan | 41.95 | 10 | A Min | AA: 40.89 (+1.06s | 2.5%) | York Swim Club of Northern Vir | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 370 | Natalie Williams | 41.98 | 10 | A Min | AA: 40.89 (+1.09s | 2.6%) | Unattached | 09/12/2026 | 2026 Elizabeth Kazeck Fall Sprint | |
| 371 | Elisabeth MacPhail | 41.98 | 8 | A Min | AA: 40.89 (+1.09s | 2.6%) | Edina Swim Club | 10/10/2026 | 2026 MN EDI Gator Splash And Dash | |
| 372 | Claire Johnson | 41.98 | 10 | A Min | AA: 40.89 (+1.09s | 2.6%) | San Gabriel Aquatics | 10/09/2026 | 2026 ST LSAC 7th Annual Gnarfest | |
| 373 | Shirley Bin | 41.98 | 10 | A Min | AA: 40.89 (+1.09s | 2.6%) | Milpitas Aquatic Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 374 | Lillian Qian | 42.00 | 10 | A Min | AA: 40.89 (+1.11s | 2.6%) | Long Island Aquatic Club | 02/20/2026 | 2026 MR Silvers Championship South HAUP | |
| 375 | Darcy Danisovszky | 42.00 | 10 | A Min | AA: 40.89 (+1.11s | 2.6%) | Planet Swim Aquatics | 09/26/2026 | EAJ Speedo September Meet 2026 | |
| 376 | Kennedy Stutzman | 42.01 | 9 | A Min | AA: 40.89 (+1.12s | 2.7%) | Lenawee County Gators | 02/21/2026 | 2026 Michigan YMCA Clusters Championship | |
| 377 | Riley Suksumrit | 42.01 | 10 | A Min | AA: 40.89 (+1.12s | 2.7%) | North Coast Aquatics | 10/03/2026 | 2026 SI CAST Pentathlon October 3 | |
| 378 | Alexa Rodde | 42.01 | 10 | A Min | AA: 40.89 (+1.12s | 2.7%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | |
| 379 | Adaline Alfiero | 42.02 | 9 | A Min | AA: 40.89 (+1.13s | 2.7%) | Marlins Of Raleigh | 01/16/2026 | 2026 RSA Winter Tri | |
| 380 | Myla Winner | 42.02 | 10 | A Min | AA: 40.89 (+1.13s | 2.7%) | Seahawks Swim club | 10/09/2026 | Fall Festival Invitational | |
| 381 | Anna Magni | 42.03 | 10 | A Min | AA: 40.89 (+1.14s | 2.7%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 382 | Lyla Small | 42.03 | 10 | A Min | AA: 40.89 (+1.14s | 2.7%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 383 | Chloe Young | 42.03 | 10 | A Min | AA: 40.89 (+1.14s | 2.7%) | Blue Wave Swimming | 07/24/2026 | 2026 Summer Area 3 Championships | |
| 384 | Lizzy Pickerman | 42.04 | 10 | A Min | AA: 40.89 (+1.15s | 2.7%) | Plymouth Canton Cruisers | 03/14/2026 | 2026 SCY 10 Under Championship Meet | |
| 385 | Alice Pudney-Dupont | 42.05 | 10 | A Min | AA: 40.89 (+1.16s | 2.8%) | Swim Fort Lauderdale | 09/20/2025 | September Open 2025 | |
| 386 | Lily Lannin | 42.05 | 9 | A Min | AA: 40.89 (+1.16s | 2.8%) | Seattle Metropolitan Aquatic C | 10/10/2026 | 2026 PN SMAC Fall Kick Off Approved | |
| 387 | Avery Goodrich | 42.06 | 10 | A Min | AA: 40.89 (+1.17s | 2.8%) | Asphalt Green Unified Aquatics | 01/30/2026 | 2026 MR LIE Second Chance Invitational | |
| 388 | Chloe Wang | 42.07 | 10 | A Min | AA: 40.89 (+1.18s | 2.8%) | Pleasanton Seahawks | 07/25/2026 | Zone 2 Summer Championships | |
| 389 | Olivia Liang | 42.08 | 10 | A Min | AA: 40.89 (+1.19s | 2.8%) | Blue Dolphin Swim Team | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | |
| 390 | Kaelin Bradley | 42.09 | 10 | A Min | AA: 40.89 (+1.20s | 2.9%) | Wilmington Aquatic Club | 12/11/2025 | 2025 Katie Ledecky Invitational | |
| 391 | Karina Molenaur | 42.09 | 9 | A Min | AA: 40.89 (+1.20s | 2.9%) | SwimMAC Carolina | 02/14/2026 | 2026 SwimMAC Qualifier Festival | |
| 392 | Mae Zajacs | 42.09 | 10 | A Min | AA: 40.89 (+1.20s | 2.9%) | Highlands Ranch Aquatics | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 393 | Emma Cunning | 42.09 | 10 | A Min | AA: 40.89 (+1.20s | 2.9%) | Csp Tideriders | 10/09/2026 | Fall Festival Invitational | |
| 394 | Layla Sweet | 42.09 | 10 | A Min | AA: 40.89 (+1.20s | 2.9%) | Metro East Titans Swimming | 09/12/2026 | 2026 Seahawks Dive Back In | |
| 395 | Gigi Carpenter | 42.10 | 10 | A Min | AA: 40.89 (+1.21s | 2.9%) | Hydra Aquatics | 03/12/2026 | 2026 OH SC Junior Championships | |
| 396 | Sofia Gordon | 42.11 | 9 | A Min | AA: 40.89 (+1.22s | 2.9%) | Swim Coral Springs | 09/11/2026 | 2026 Michael S Memorial Meet | |
| 397 | Lana Guttmann | 42.13 | 10 | A Min | AA: 40.89 (+1.24s | 2.9%) | MN Flyers Swim Team | 11/22/2025 | 2025 MN HTSC Harvest Classic | |
| 398 | Annabelle Shi | 42.13 | 9 | A Min | AA: 40.89 (+1.24s | 2.9%) | Los Angeles Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 399 | Isabel Stoddard | 42.13 | 10 | A Min | AA: 40.89 (+1.24s | 2.9%) | Cottonwood Heights Aquatics | 10/24/2025 | 2025 CHAT SDAT October Dual | |
| 400 | Nathalie Bieler | 42.13 | 10 | A Min | AA: 40.89 (+1.24s | 2.9%) | Bolles School Sharks | 09/26/2026 | EAJ Speedo September Meet 2026 | |
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.