Western Zone Zone Girls 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1851 | Kira Liao | 49.54 | 9 | B: 48.59 (+0.95s | 1.9%) | Palo Alto Stanford Aquatics | 07/20/2025 | 2025 PASA Summer Palooza | ||
| 1852 | Lily Li | 49.54 | 9 | B: 48.59 (+0.95s | 1.9%) | Issaquah Swim Team | 10/18/2025 | 2025 PN IST Fall Open | ||
| 1853 | Claire Mason | 49.55 | 9 | B: 48.59 (+0.96s | 1.9%) | Corvallis Aquatic Team | 03/14/2026 | 2026 CAT Spring Invite | ||
| 1854 | Pippa Ewell | 49.56 | 10 | B: 48.59 (+0.97s | 2.0%) | Wasatch Swim Club | 02/28/2025 | Beehive Finale 2025 | ||
| 1855 | Caitlin Kelly | 49.57 | 9 | B: 48.59 (+0.98s | 2.0%) | Sea to Desert Swim Association | 07/10/2026 | 2026 SI JBST All Ages Last Chance Meet | ||
| 1856 | Isabella Hills | 49.58 | 10 | B: 48.59 (+0.99s | 2.0%) | Hilltop Aquatic Swim Team | 11/14/2025 | 2025 UT HAST Fall Back Bash | ||
| 1857 | Isabella Maendel | 49.59 | 10 | B: 48.59 (+1.00s | 2.0%) | Ski Hi Aquatics | 07/11/2026 | 2026 CO Canon City Swim Meet | ||
| 1858 | Miriam GreenRose | 49.61 | 9 | B: 48.59 (+1.02s | 2.1%) | Aurora Swim Team | 11/21/2025 | NLSC Sprint Classic | ||
| 1859 | Preslyn Sampels | 49.63 | 9 | B: 48.59 (+1.04s | 2.1%) | Crescent City Swim Club | 04/24/2026 | 2026 Newport Swim Team Wray Open | ||
| 1860 | Jordan Hunt | 49.63 | 10 | B: 48.59 (+1.04s | 2.1%) | South Valley Makos | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | ||
| 1861 | Nora Dachs | 49.63 | 10 | B: 48.59 (+1.04s | 2.1%) | Otter Swim Club | 03/07/2026 | 2026 PASA Last Chance For JO S | ||
| 1862 | Ellie Hostetler | 49.63 | 9 | B: 48.59 (+1.04s | 2.1%) | Apex | 02/15/2026 | 2026 OR CB Valentine Last Chance Invitational | ||
| 1863 | Giselle Buczkowski | 49.63 | 10 | B: 48.59 (+1.04s | 2.1%) | Swim Dogs | 01/23/2026 | 2026 CO TOPS Colorado Open | ||
| 1864 | Avery Wang | 49.64 | 7 | B: 48.59 (+1.05s | 2.1%) | Sawtooth Aquatic Club | 04/05/2025 | April Pools 2025 | ||
| 1865 | Hilary Chen | 49.64 | 10 | B: 48.59 (+1.05s | 2.1%) | East Bay Bat Rays | 10/18/2025 | PC CDST SC C B BB+ | ||
| 1866 | Pauline Adam | 49.64 | 10 | B: 48.59 (+1.05s | 2.1%) | Legacy Aquatics | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | ||
| 1867 | Ellery Delgado | 49.65 | 10 | B: 48.59 (+1.06s | 2.1%) | Boulder City Henderson Swim Te | 11/08/2024 | 2024 NV State Championships | ||
| 1868 | Olivia Kassis | 49.67 | 10 | B: 48.59 (+1.08s | 2.2%) | Stingray Swim Team | 05/15/2026 | 2026 PN SRST Pacific Coast Invitational App | ||
| 1869 | Camilla Chiu | 49.68 | 10 | B: 48.59 (+1.09s | 2.2%) | Elk Grove Aquatics Club | 01/11/2025 | South San Francisco New Year Splash C B A+ | ||
| 1870 | Sailor Baez | 49.68 | 9 | B: 48.59 (+1.09s | 2.2%) | YMCA of Snohomish County Barra | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | ||
| 1871 | Ada Reynoso | 49.69 | 8 | B: 48.59 (+1.10s | 2.2%) | Socal Aquatics Association | 11/21/2025 | 2025 CA MVN Turkey Classic | ||
| 1872 | Stefanie Sun | 49.69 | 9 | B: 48.59 (+1.10s | 2.2%) | Palo Alto Stanford Aquatics | 10/05/2024 | 2024 DACA CBA SC Meet | ||
| 1873 | Clara Huang | 49.69 | 9 | B: 48.59 (+1.10s | 2.2%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | ||
| 1874 | Ella Lerro | 49.70 | 8 | B: 48.59 (+1.11s | 2.2%) | Aspire Aquatics of Colorado | 01/05/2025 | 2025 CO AAC 12 U Sprint Eliminator Invit | ||
| 1875 | Adelaide Steinberg | 49.70 | 10 | B: 48.59 (+1.11s | 2.2%) | Cascade Swim Club | 02/01/2026 | 2026 PN CSC February Mini Meet Approved | ||
| 1876 | Ellie Sutton | 49.71 | 10 | B: 48.59 (+1.12s | 2.3%) | North Bay Aquatics | 11/08/2025 | TCA PC November SC C B A+ | ||
| 1877 | Hunter Acken | 49.71 | 9 | B: 48.59 (+1.12s | 2.3%) | Life Time Colorado Swim Club | 04/25/2026 | 2026 CO COSA Spring SC Kick Off | ||
| 1878 | Olivia Lu | 49.71 | 9 | B: 48.59 (+1.12s | 2.3%) | Chinook Aquatic Club | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | ||
| 1879 | Averee Payne | 49.72 | 7 | B: 48.59 (+1.13s | 2.3%) | Neptune Swimming | 04/18/2026 | RP SWIM CLUB (PRNA) SPRING SWIM FEST! | ||
| 1880 | Sylvia Smith | 49.74 | 10 | B: 48.59 (+1.15s | 2.3%) | Northglenn Fusion Swim Club | 05/23/2026 | 2026 CO Loveland Snow Cone #1 | ||
| 1881 | Quinn Napoli | 49.74 | 10 | B: 48.59 (+1.15s | 2.3%) | Swim South Bay | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | ||
| 1882 | Lucy Cernoch | 49.74 | 10 | B: 48.59 (+1.15s | 2.3%) | SlipStream Aquatics | 01/10/2025 | 2025 CO NJ Pineapple Invitational | ||
| 1883 | Arianna Richardson | 49.74 | 9 | B: 48.59 (+1.15s | 2.3%) | University Place Aquatic Club | 02/13/2026 | 2026 PN UPAC 4th Annual Feb Fly In Approved | ||
| 1884 | Ariel Hurley | 49.75 | 8 | B: 48.59 (+1.16s | 2.3%) | San Ramon Valley Aquatics | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | ||
| 1885 | Stephanie Wang | 49.75 | 9 | B: 48.59 (+1.16s | 2.3%) | Seattle Metropolitan Aquatic C | 01/12/2025 | 2025 PN SMAC January Mini Meet | ||
| 1886 | Emma Zhang | 49.76 | 8 | B: 48.59 (+1.17s | 2.4%) | Pro Swimming | 05/30/2026 | 2026 PN Pro Summer Pentathlon Approved | ||
| 1887 | Laurel Nelson | 49.76 | 8 | B: 48.59 (+1.17s | 2.4%) | Woodmoor Tsunamis Swim Team | 07/18/2026 | 2026 CO AP Rocky Mountain State Games | ||
| 1888 | Nora Shammo | 49.76 | 10 | B: 48.59 (+1.17s | 2.4%) | Spokane Sea Serpents | 09/27/2025 | Cougar Fall Fury | ||
| 1889 | Aurora Saba | 49.78 | 10 | B: 48.59 (+1.19s | 2.4%) | VillaSport Swim Team | 02/22/2025 | 2025 Arena Short Course 10 U Championships | ||
| 1890 | Josephine Griffin | 49.79 | 9 | B: 48.59 (+1.20s | 2.4%) | Front Range Barracudas | 07/09/2026 | 2026 CO NCS 10 U Summer Festival | ||
| 1891 | Charlotte Espinosa | 49.79 | 8 | B: 48.59 (+1.20s | 2.4%) | Pueblo County Swim Team | 06/19/2026 | 2026 Max Shirley Radiff Memorial | ||
| 1892 | Avery Brooks | 49.79 | 10 | B: 48.59 (+1.20s | 2.4%) | Form Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | ||
| 1893 | Nancy Aldrich | 49.80 | 10 | B: 48.59 (+1.21s | 2.4%) | Pueblo Swim Club | 02/08/2026 | 2026 CO Falfins Short Course Series #4 | ||
| 1894 | Mary Tatum | 49.80 | 8 | B: 48.59 (+1.21s | 2.4%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | ||
| 1895 | Laurel Breland | 49.83 | 10 | B: 48.59 (+1.24s | 2.5%) | Team Sopris Swimming | 05/03/2026 | 2026 CO Montrose Mini Sprint Meet | ||
| 1896 | Rowan Watts | 49.83 | 10 | B: 48.59 (+1.24s | 2.5%) | Gold Coast Swim Team | 01/10/2026 | 2026 SCAT B C Open | ||
| 1897 | Annabelle Everett | 49.84 | 9 | B: 48.59 (+1.25s | 2.5%) | Seals Aquatics | 11/22/2025 | Thankswimming Classic 2025 | ||
| 1898 | Coco Starn | 49.85 | 10 | B: 48.59 (+1.26s | 2.5%) | Punahou Aquatics Institute | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | ||
| 1899 | Zoe Hill | 49.86 | 7 | B: 48.59 (+1.27s | 2.5%) | Neptune Swimming | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | ||
| 1900 | Skylar Mennella | 49.86 | 10 | B: 48.59 (+1.27s | 2.5%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | ||
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.