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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1051 | Molly Bayer | 53.64 | 10 | B Min | BB: 49.69 (+3.95s | 7.4%) | Canon City Piranhas | 06/05/2026 | 2026 CO La Junta Tigersharks Invitational | |
| 1052 | Robby Rozelle | 53.64 | 10 | B Min | BB: 49.69 (+3.95s | 7.4%) | Spokane Waves Aquatic Team | 04/25/2026 | 2026 SWAT Spring Fling | |
| 1053 | Nastassia Burton | 53.64 | 10 | B Min | BB: 49.69 (+3.95s | 7.4%) | Rogue Rapids | 05/16/2026 | 2026 TEAM Showdown | |
| 1054 | Olivia Le | 53.66 | 10 | B Min | BB: 49.69 (+3.97s | 7.4%) | East Bay Bat Rays | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 1055 | Lyza Esterson | 53.67 | 10 | B Min | BB: 49.69 (+3.98s | 7.4%) | Salem Swim Club | 06/05/2026 | 2026 CST Summer Invitational | |
| 1056 | Magdalaina Powell | 53.67 | 10 | B Min | BB: 49.69 (+3.98s | 7.4%) | The Dalles Swim Team | 06/12/2026 | 73rd Ted Walker Invitational 2026 | |
| 1057 | Caitlin Kelly | 53.68 | 9 | B Min | BB: 49.69 (+3.99s | 7.4%) | Sea to Desert Swim Association | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | |
| 1058 | Maryann Stapley | 53.71 | 9 | B Min | BB: 49.69 (+4.02s | 7.5%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 1059 | Kallie Schoeny | 53.72 | 8 | B Min | BB: 49.69 (+4.03s | 7.5%) | Coeur D\\\\\\'alene Area Swim Team | 04/26/2025 | 2025 SWAT Spring Fling | |
| 1060 | Maho Shimobe | 53.74 | 10 | B Min | BB: 49.69 (+4.05s | 7.5%) | Unattached | 06/06/2026 | 2026 CO MACS Suburban League Invite | |
| 1061 | Keller Mccutcheon | 53.76 | 10 | B Min | BB: 49.69 (+4.07s | 7.6%) | Cortez Water Dragons | 07/11/2025 | 2025 CO Western Slope LeagueChampionships | |
| 1062 | Kalista Choo | 53.76 | 9 | B Min | BB: 49.69 (+4.07s | 7.6%) | Alameda Gators | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 1063 | Clara Chaikin | 53.76 | 9 | B Min | BB: 49.69 (+4.07s | 7.6%) | Denver Swim Academy | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 1064 | Leighton Demo | 53.77 | 9 | B Min | BB: 49.69 (+4.08s | 7.6%) | Capital City Athletics | 05/02/2026 | 2026 CO Longmont IMR IMX Adrenaline Gauntlet | |
| 1065 | Bella Nieblas | 53.77 | 10 | B Min | BB: 49.69 (+4.08s | 7.6%) | Renegade Aquatics | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | |
| 1066 | Tessa Piotrowski | 53.78 | 10 | B Min | BB: 49.69 (+4.09s | 7.6%) | Foothills Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 1067 | Wesley Siebe | 53.80 | 10 | B Min | BB: 49.69 (+4.11s | 7.6%) | Bend Swim Club | 06/19/2026 | Bend Swim Club Sun Country Invite 2026 | |
| 1068 | Mila Astorga | 53.82 | 10 | B Min | BB: 49.69 (+4.13s | 7.7%) | Portland Aquatic Club | 06/20/2025 | 72nd Annual Ted Walker Invitational | |
| 1069 | Maggie Larison | 53.83 | 9 | B Min | BB: 49.69 (+4.14s | 7.7%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | |
| 1070 | Charlotte Kalogrides | 53.84 | 8 | B Min | BB: 49.69 (+4.15s | 7.7%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 1071 | Deborah Wu | 53.84 | 9 | B Min | BB: 49.69 (+4.15s | 7.7%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 1072 | Hannah Peck | 53.86 | 8 | B Min | BB: 49.69 (+4.17s | 7.7%) | Terrapins Swim Team | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 1073 | Jennifer Zhao | 53.86 | 10 | B Min | BB: 49.69 (+4.17s | 7.7%) | Palo Alto Stanford Aquatics | 05/16/2026 | 2026 DACA LC CBA+ | |
| 1074 | Josephine Turner | 53.87 | 10 | B Min | BB: 49.69 (+4.18s | 7.8%) | King Aquatic Club | 04/25/2025 | 2025 PN KING Spring Derby | |
| 1075 | Kate Lackey | 53.88 | 8 | B Min | BB: 49.69 (+4.19s | 7.8%) | Denver Swim Academy | 06/26/2026 | 2026 CO Zone 2 District Meet DU | |
| 1076 | Ami Tanaka | 53.89 | 9 | B Min | BB: 49.69 (+4.20s | 7.8%) | Burlingame Aquatics | 06/29/2024 | Alto Summer Swelter | |
| 1077 | Hannah Anslinger | 53.89 | 10 | B Min | BB: 49.69 (+4.20s | 7.8%) | The Dalles Swim Team | 06/12/2026 | 73rd Ted Walker Invitational 2026 | |
| 1078 | Qianxun Min | 53.90 | 8 | B Min | BB: 49.69 (+4.21s | 7.8%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1079 | Phoebe Cummings | 53.92 | 10 | B Min | BB: 49.69 (+4.23s | 7.8%) | Team Eugene Aquatics | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 1080 | Amber Chan | 53.93 | 9 | B Min | BB: 49.69 (+4.24s | 7.9%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 1081 | Evelyn Long | 53.95 | 10 | B Min | BB: 49.69 (+4.26s | 7.9%) | Boulder Swim Team | 07/10/2026 | 2026 CO Firecracker Last Chance Invite | |
| 1082 | Iris Zhang | 53.95 | 8 | B Min | BB: 49.69 (+4.26s | 7.9%) | Tualatin Hills Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 1083 | Rosalie McNutt | 53.96 | 9 | B Min | BB: 49.69 (+4.27s | 7.9%) | Loveland Swim Club | 04/24/2026 | 2026 CO FAST Spring Splash | |
| 1084 | Ava Donovan | 53.96 | 9 | B Min | BB: 49.69 (+4.27s | 7.9%) | Aquawolves Swimming | 05/23/2026 | 2026 CO CUDA Vs AQUA Dual | |
| 1085 | June Johnston | 53.96 | 10 | B Min | BB: 49.69 (+4.27s | 7.9%) | Kamehameha Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 1086 | Brielle Hellu | 53.97 | 10 | B Min | BB: 49.69 (+4.28s | 7.9%) | COSA Swimming | 07/11/2026 | 2026 CO SOCO LC Championship Last Chance | |
| 1087 | Marley Perez | 53.97 | 9 | B Min | BB: 49.69 (+4.28s | 7.9%) | Salida Cyclones | 07/17/2026 | 2026 CO Alicia Leavitt Memorial | |
| 1088 | Delaney Moody | 53.98 | 9 | B Min | BB: 49.69 (+4.29s | 7.9%) | Fallon Barracuda Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 1089 | Ava Welsh | 53.98 | 9 | B Min | BB: 49.69 (+4.29s | 7.9%) | Maverick Aquatics | 07/10/2026 | 2026 CO Western Slope League Championships | |
| 1090 | Anuchandra Praveen Kumar | 53.98 | 10 | B Min | BB: 49.69 (+4.29s | 7.9%) | Brentwood Seawolves | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 1091 | Tylee Stratton | 53.98 | 9 | B Min | BB: 49.69 (+4.29s | 7.9%) | Spokane Waves Aquatic Team | 06/19/2026 | 2026 SWAT Summer Solstice | |
| 1092 | Charlotte Wong | 53.99 | 10 | B Min | BB: 49.69 (+4.30s | 8.0%) | Sunnyvale Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 1093 | Sarah Chen | 53.99 | 10 | B Min | BB: 49.69 (+4.30s | 8.0%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | |
| 1094 | Chin-Erdene Munkhdorj | 54.00 | 10 | B Min | BB: 49.69 (+4.31s | 8.0%) | Lehi Aquatics | 04/25/2025 | 2025 Stingrays LC Kickoff | |
| 1095 | Emma Clarke | 54.00 | 9 | B Min | BB: 49.69 (+4.31s | 8.0%) | Greenwood Tiger Sharks | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 1096 | Elysia Esparza-Chen | 54.01 | 9 | B Min | BB: 49.69 (+4.32s | 8.0%) | Pacific Dragons Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1097 | Addison Mou | 54.01 | 10 | B Min | BB: 49.69 (+4.32s | 8.0%) | Almaden Riptide | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 1098 | Brynn Mumford | 54.02 | 9 | B Min | BB: 49.69 (+4.33s | 8.0%) | Coastal Machine Aquatics Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 1099 | Lily Balliet | 54.02 | 8 | B Min | BB: 49.69 (+4.33s | 8.0%) | Castle Rock Swimming | 06/26/2026 | 2026 CO Zone 2 District Meet DU | |
| 1100 | Hailey Engler | 54.03 | 9 | B Min | BB: 49.69 (+4.34s | 8.0%) | Sandpipers of Nevada | 03/30/2025 | Sand Vs BCH LCM Dual 2025 | |
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.