Western Zone Zone Girls 10 & under - 50 Y Breast
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 851 | Emmalia Courter | 48.10 | 10 | BB Min | A: 42.79 (+5.31s | 11.0%) | Pacific Swim | 10/24/2025 | 2025 SI JBST ALL AGES A BB MEET | |
| 852 | Celine Huang | 48.11 | 10 | BB Min | A: 42.79 (+5.32s | 11.1%) | Chinook Aquatic Club | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | |
| 853 | Mia Belleci | 48.11 | 10 | BB Min | A: 42.79 (+5.32s | 11.1%) | Aulea Swim Club | 10/25/2025 | 2025 HI 25th Annual Bill Smith Invitational | |
| 854 | Elissa Justice | 48.12 | 9 | BB Min | A: 42.79 (+5.33s | 11.1%) | Life Time Colorado Swim Club | 02/13/2026 | 2026 CO Valentine Open | |
| 855 | Ivy Coleman | 48.12 | 8 | BB Min | A: 42.79 (+5.33s | 11.1%) | Clovis Swim Club | 11/22/2025 | 2025 Dr Dowain Wright Memorial ABC | |
| 856 | Ellie Rasmussen | 48.13 | 9 | BB Min | A: 42.79 (+5.34s | 11.1%) | Sandpipers of Nevada | 11/08/2024 | 2024 NV State Championships | |
| 857 | Evelyn Ye | 48.14 | 9 | BB Min | A: 42.79 (+5.35s | 11.1%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 858 | Ellieanna Carabajal | 48.16 | 10 | BB Min | A: 42.79 (+5.37s | 11.2%) | Front Range Barracudas | 01/16/2026 | 2026 CO CUDA Classic | |
| 859 | Lilinoenani Akau | 48.17 | 10 | BB Min | A: 42.79 (+5.38s | 11.2%) | Maui Dolphins Swim Club | 11/15/2025 | 2025 MAGSA SCY A3 Meet | |
| 860 | Emery Peterson | 48.18 | 9 | BB Min | A: 42.79 (+5.39s | 11.2%) | Lewis Clark Neptune Swim Team | 01/16/2026 | 2026 Hells Canyon Invitational | |
| 861 | Reese Turra | 48.20 | 9 | BB Min | A: 42.79 (+5.41s | 11.2%) | SlipStream Aquatics | 09/14/2025 | 2025 CO SSA Red Vs Yellow Intra Squad | |
| 862 | Joy Hildebrand | 48.20 | 9 | BB Min | A: 42.79 (+5.41s | 11.2%) | Palo Alto Stanford Aquatics | 01/25/2025 | Z1N SC Championship | |
| 863 | Kaylie Nishihira | 48.21 | 10 | BB Min | A: 42.79 (+5.42s | 11.2%) | Punahou Aquatics Institute | 11/09/2025 | OSL A+ SCY Meet | |
| 864 | Otoha Kojima | 48.21 | 9 | BB Min | A: 42.79 (+5.42s | 11.2%) | Aquawolves Swimming | 01/16/2026 | 2026 CO CUDA Classic | |
| 865 | Iris Eby | 48.21 | 11 | BB Min | A: 42.79 (+5.42s | 11.2%) | Front Range Barracudas | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 866 | Parker Chang | 48.22 | 10 | BB Min | A: 42.79 (+5.43s | 11.3%) | Bulldog Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 867 | Penny Datko | 48.22 | 10 | BB Min | A: 42.79 (+5.43s | 11.3%) | Fort Collins Area Swim Team | 01/10/2026 | 2026 CO FAST Vs TOPS Vs RIP | |
| 868 | Naomi Lynn | 48.23 | 10 | BB Min | A: 42.79 (+5.44s | 11.3%) | Wave Aquatics | 11/22/2025 | 2025 PN Nov AGI, Division 2 (SMAC) | |
| 869 | Cali Hammond | 48.24 | 10 | BB Min | A: 42.79 (+5.45s | 11.3%) | Lewis Clark Neptune Swim Team | 01/16/2026 | 2026 Hells Canyon Invitational | |
| 870 | Grace Zheng | 48.25 | 10 | BB Min | A: 42.79 (+5.46s | 11.3%) | Circle City Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 871 | Jia Ryu | 48.25 | 10 | BB Min | A: 42.79 (+5.46s | 11.3%) | Palo Alto Stanford Aquatics | 01/25/2025 | Z1N SC Championship | |
| 872 | Aviana Sajuthi-Leach | 48.25 | 8 | BB Min | A: 42.79 (+5.46s | 11.3%) | Bay Club Panthers | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 873 | Nathalie Zackor | 48.25 | 10 | BB Min | A: 42.79 (+5.46s | 11.3%) | Otter Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 874 | Karolina Blom | 48.26 | 9 | BB Min | A: 42.79 (+5.47s | 11.3%) | Pacific Coast Marlins | 11/22/2025 | Thankswimming Classic 2025 | |
| 875 | Harlin Divine | 48.26 | 10 | BB Min | A: 42.79 (+5.47s | 11.3%) | CAC Stingrays Swim Team | 02/13/2026 | 2026 CO NJ Groundhog Invite | |
| 876 | Nora Evans | 48.27 | 10 | BB Min | A: 42.79 (+5.48s | 11.4%) | Lehi Aquatics | 10/10/2025 | 2025 PC Sprints | |
| 877 | Zoe Bowman | 48.27 | 9 | BB Min | A: 42.79 (+5.48s | 11.4%) | Pikes Peak Athletics | 01/10/2026 | 2026 CO PPA January Meet | |
| 878 | Lincoln O'Gorman | 48.28 | 9 | BB Min | A: 42.79 (+5.49s | 11.4%) | Lake Oswego Swim Club | 11/07/2025 | 2025 McSwimville Invitational | |
| 879 | Eleanor Rogers | 48.30 | 10 | BB Min | A: 42.79 (+5.51s | 11.4%) | Sparks Piranhas Swim Team | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 880 | Summer Brockman | 48.30 | 10 | BB Min | A: 42.79 (+5.51s | 11.4%) | Bellingham Bay Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 2 | |
| 881 | BasilLee Pippin-Kanai | 48.31 | 9 | BB Min | A: 42.79 (+5.52s | 11.4%) | Warrior Aquatic Club | 02/07/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 882 | Lausanne Doan | 48.31 | 9 | BB Min | A: 42.79 (+5.52s | 11.4%) | Seattle Metropolitan Aquatic C | 02/08/2026 | 2026 PN SMAC February Mini Meet Approved | |
| 883 | Maahi Rao | 48.32 | 10 | BB Min | A: 42.79 (+5.53s | 11.4%) | Rancho San Dieguito | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 884 | Charlotte Chan | 48.32 | 10 | BB Min | A: 42.79 (+5.53s | 11.4%) | Hawaii Swimming Club | 10/25/2025 | 2025 MAGSA 12 Under ABC SCY Meet | |
| 885 | Tiffany Xiao | 48.33 | 9 | BB Min | A: 42.79 (+5.54s | 11.5%) | Orinda Aquatics | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 886 | Anna Stojanovic | 48.34 | 9 | BB Min | A: 42.79 (+5.55s | 11.5%) | VillaSport Swim Team | 01/18/2025 | 2025 LSST January Frosty Meet | |
| 887 | Katherine Murphy | 48.34 | 10 | BB Min | A: 42.79 (+5.55s | 11.5%) | Aptos Cabrillo Swim Club | 07/18/2025 | CVAL | |
| 888 | Andie Webb | 48.36 | 9 | BB Min | A: 42.79 (+5.57s | 11.5%) | Socal Aquatics Association | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 889 | Maya Gilbert | 48.36 | 10 | BB Min | A: 42.79 (+5.57s | 11.5%) | Wild West Aquatic Club | 10/25/2025 | 2025 Bd Swatoberfest Sprintacular All | |
| 890 | Mia Wong | 48.36 | 9 | BB Min | A: 42.79 (+5.57s | 11.5%) | Usf Youth Swimming | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 891 | Deija Goncalves de Jesus | 48.37 | 10 | BB Min | A: 42.79 (+5.58s | 11.5%) | Life Time Fitness Utah Swim Te | 10/24/2025 | SSC Witchy Waters 2025 | |
| 892 | Iris Wang | 48.37 | 9 | BB Min | A: 42.79 (+5.58s | 11.5%) | Santa Clara Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 893 | Lana Gieseking | 48.38 | 10 | BB Min | A: 42.79 (+5.59s | 11.6%) | Sfrp Rossi Swim Team | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 894 | Clara Cederholm | 48.39 | 8 | BB Min | A: 42.79 (+5.60s | 11.6%) | Olympus Aquatics | 02/21/2025 | 2025 Olympus Aquatics Last Chance | |
| 895 | Addison Herchold | 48.41 | 10 | BB Min | A: 42.79 (+5.62s | 11.6%) | University Place Aquatic Club | 11/02/2025 | 2025 PN UPAC Fall Qual | |
| 896 | Maria Dashouk | 48.41 | 10 | BB Min | A: 42.79 (+5.62s | 11.6%) | Alto Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 897 | Madhuri Mukhram | 48.41 | 10 | BB Min | A: 42.79 (+5.62s | 11.6%) | Bellingham Bay Swim Team | 01/24/2026 | 2026 PN BBST Aly Fell Memorial Approved | |
| 898 | Ella Johnson | 48.42 | 10 | BB Min | A: 42.79 (+5.63s | 11.6%) | Pueblo Swim Club | 02/13/2026 | 2026 CO Valentine Open | |
| 899 | Santana Velasquez | 48.43 | 9 | BB Min | A: 42.79 (+5.64s | 11.6%) | Las Animas Trofins | 07/25/2025 | 2025 CO SECAL Championships | |
| 900 | Amalia Bosa | 48.44 | 10 | BB Min | A: 42.79 (+5.65s | 11.7%) | Lake Oswego Swim Club | 12/13/2025 | 2025 OR HEAT Winter Invitational | |
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.