Western Zone Zone Girls 10 & under - 50 M Back
These rankings show the swimmers' placement within their Zone.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 301 | Harlow Redson | 45.04 | 10 | BB Min | A: 43.59 (+1.45s | 3.2%) | North Jeffco Swim Team | 07/10/2026 | 2026 CO Firecracker Last Chance Invite | |
| 302 | Hellen Xia | 45.08 | 10 | BB Min | A: 43.59 (+1.49s | 3.3%) | Trident Swim Club | 07/24/2025 | 2025 CA SCS RAA Summer A G Champs | |
| 303 | Makena Kam | 45.09 | 10 | BB Min | A: 43.59 (+1.50s | 3.3%) | Beach Cities Alpha | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 304 | Ivy Oclassen | 45.09 | 10 | BB Min | A: 43.59 (+1.50s | 3.3%) | North Jeffco Swim Team | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 305 | Ariana Matt | 45.09 | 10 | BB Min | A: 43.59 (+1.50s | 3.3%) | Nation\\\\\\'s Capital Swim Club | 06/05/2026 | HNVR Storm Surge 2026 | |
| 306 | Sydney Harvey | 45.10 | 10 | BB Min | A: 43.59 (+1.51s | 3.3%) | Pikes Peak Athletics | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 307 | Ellie Wong | 45.11 | 9 | BB Min | A: 43.59 (+1.52s | 3.4%) | Dare Aquatics | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 308 | Riley O'Grady | 45.12 | 10 | BB Min | A: 43.59 (+1.53s | 3.4%) | Riverside Aquatics Association | 06/11/2026 | 2026 SCS June AG Invite | |
| 309 | Hana Dolan | 45.12 | 10 | BB Min | A: 43.59 (+1.53s | 3.4%) | Pearl City Aquatics | 07/03/2026 | 2026 Keo Nakama Swim Meet | |
| 310 | Hallie Carollo | 45.13 | 10 | BB Min | A: 43.59 (+1.54s | 3.4%) | Eastmont | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | |
| 311 | Maya Fazio | 45.14 | 10 | B: 44.79 (+0.35s | 0.8%) | Mission Viejo Nadadores | 07/23/2026 | 2026 CA SCS Summer A G Champs | ||
| 312 | Allison Sanchez | 45.14 | 9 | BB Min | A: 43.59 (+1.55s | 3.4%) | Pueblo Swim Club | 06/05/2026 | 2026 COSA Long Couse Open | |
| 313 | Adelaide Flaherty | 45.15 | 9 | BB Min | A: 43.59 (+1.56s | 3.5%) | Olympus Aquatics | 07/17/2025 | 2025 UTAGS LC Championships | |
| 314 | Ayumi Sario | 45.15 | 9 | BB Min | A: 43.59 (+1.56s | 3.5%) | Brea Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 315 | Phoebe Peixoto | 45.15 | 10 | BB Min | A: 43.59 (+1.56s | 3.5%) | Team Eugene Aquatics | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 316 | Emily Downs | 45.15 | 10 | BB Min | A: 43.59 (+1.56s | 3.5%) | Valley Aquatics | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 317 | Isabella Mendoza | 45.15 | 10 | BB Min | A: 43.59 (+1.56s | 3.5%) | California Gold | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 318 | Alexa Jenner | 45.16 | 9 | BB Min | A: 43.59 (+1.57s | 3.5%) | Phoenix Swim Club | 06/20/2025 | 2025 SI SPLASH AND DASH | |
| 319 | Sarah Chartrand | 45.18 | 10 | BB Min | A: 43.59 (+1.59s | 3.5%) | King Aquatic Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 320 | Calista Dickinson | 45.19 | 10 | BB Min | A: 43.59 (+1.60s | 3.5%) | Boulder City Henderson Swim Te | 03/30/2025 | Sand Vs BCH LCM Dual 2025 | |
| 321 | Estelle Chung | 45.19 | 10 | BB Min | A: 43.59 (+1.60s | 3.5%) | Monterey Park Manta Rays | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 322 | Stella Park | 45.22 | 10 | BB Min | A: 43.59 (+1.63s | 3.6%) | Fast Swim Team | 07/23/2026 | 2026 CA SCS Summer A G Champs | |
| 323 | Eliana Clemenza | 45.23 | 10 | BB Min | A: 43.59 (+1.64s | 3.6%) | Seals Aquatics | 06/27/2026 | NVST Summer Plunge 2026 | |
| 324 | Miriam Schissler | 45.25 | 9 | BB Min | A: 43.59 (+1.66s | 3.7%) | San Clemente Aquatic Team | 06/12/2025 | 2025 June Age Group Invite | |
| 325 | Dora Zhang | 45.27 | 10 | BB Min | A: 43.59 (+1.68s | 3.7%) | Sunnyvale Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 326 | Sophia Yogues | 45.28 | 8 | BB Min | A: 43.59 (+1.69s | 3.7%) | Fusion Aquatics | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 327 | Chloe Han | 45.28 | 10 | BB Min | A: 43.59 (+1.69s | 3.7%) | Rancho San Dieguito | 05/23/2026 | 2026 SI HSA A All Ages NTS May 23 24 | |
| 328 | Ziya Bello | 45.29 | 9 | BB Min | A: 43.59 (+1.70s | 3.8%) | Paseo Aquatics Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 329 | Lanxuan Shen | 45.30 | 9 | BB Min | A: 43.59 (+1.71s | 3.8%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 330 | Lola Berkstresser | 45.31 | 10 | BB Min | A: 43.59 (+1.72s | 3.8%) | North Jeffco Swim Team | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 331 | Aurora Huang | 45.33 | 8 | BB Min | A: 43.59 (+1.74s | 3.8%) | Flying Fish Swim Club | 07/23/2026 | 2026 CA SCS RAA Summer A G Champs Copied | |
| 332 | Cecilia Lin | 45.34 | 10 | BB Min | A: 43.59 (+1.75s | 3.9%) | Excel Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 333 | McKenzie Phillips | 45.35 | 10 | BB Min | A: 43.59 (+1.76s | 3.9%) | Denver Swim Academy | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 334 | Jillian Parkin | 45.37 | 9 | BB Min | A: 43.59 (+1.78s | 3.9%) | Chinook Aquatic Club | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 335 | Lyla-Jean Giordano | 45.38 | 10 | BB Min | A: 43.59 (+1.79s | 3.9%) | Calabasas Waves | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 336 | Olivia Hernandez | 45.38 | 10 | BB Min | A: 43.59 (+1.79s | 3.9%) | Bend Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 337 | Logan Edleson | 45.39 | 9 | BB Min | A: 43.59 (+1.80s | 4.0%) | North Coast Aquatics | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 338 | Charlie Deegan | 45.40 | 10 | BB Min | A: 43.59 (+1.81s | 4.0%) | River Road Swim Team | 05/01/2026 | 2026 AAA May LC Invitational | |
| 339 | Karmyn Aiwohi | 45.40 | 10 | BB Min | A: 43.59 (+1.81s | 4.0%) | Kamehameha Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 340 | Bella Li | 45.43 | 9 | BB Min | A: 43.59 (+1.84s | 4.1%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 341 | Ellie Lung | 45.45 | 10 | BB Min | A: 43.59 (+1.86s | 4.1%) | South San Francisco Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 342 | Eliana Chan | 45.46 | 10 | BB Min | A: 43.59 (+1.87s | 4.1%) | Pleasanton Seahawks | 06/20/2026 | Alto Summer Swelter | |
| 343 | Bianca Clyde | 45.46 | 10 | BB Min | A: 43.59 (+1.87s | 4.1%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 344 | Soomin Han | 45.47 | 9 | BB Min | A: 43.59 (+1.88s | 4.1%) | Quicksilver Swimming | 05/02/2026 | Alto Spring Jam CBA | |
| 345 | Charlotte Borovsky | 45.48 | 9 | BB Min | A: 43.59 (+1.89s | 4.2%) | Aces Swim Club | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 346 | Elieen Song | 45.49 | 10 | BB Min | A: 43.59 (+1.90s | 4.2%) | Streamliner Aquatics | 07/04/2026 | Pendleton Open 2026 | |
| 347 | Kayona Brown | 45.50 | 10 | BB Min | A: 43.59 (+1.91s | 4.2%) | Humboldt Swim Club | 06/12/2026 | Neptune Swimming June LC Meet | |
| 348 | Amalica Gooze | 45.55 | 10 | BB Min | A: 43.59 (+1.96s | 4.3%) | Cascade Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 349 | Lucy Fronk | 45.56 | 9 | BB Min | A: 43.59 (+1.97s | 4.3%) | South Davis Aquatics Team | 07/17/2025 | 2025 UTAGS LC Championships | |
| 350 | Emma Olsen | 45.61 | 10 | BB Min | A: 43.59 (+2.02s | 4.4%) | Fort Collins Area Swim Team | 04/24/2026 | 2026 CO FAST Spring Splash | |
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.