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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1101 | Emma Eagleton | 54.03 | 10 | B Min | BB: 49.69 (+4.34s | 8.0%) | Pacific Swim | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | |
| 1102 | Ivy McCrea | 54.06 | 9 | B Min | BB: 49.69 (+4.37s | 8.1%) | Vallejo Aquatic Club | 06/20/2025 | Reno Aquatic Club Gamble | |
| 1103 | Ila Knackstedt | 54.08 | 10 | B Min | BB: 49.69 (+4.39s | 8.1%) | Swim Lake City Legends | 07/17/2025 | 2025 UTAGS LC Championships | |
| 1104 | Evelyn St Onge | 54.09 | 8 | B Min | BB: 49.69 (+4.40s | 8.1%) | COSA Swimming | 07/11/2026 | 2026 CO SOCO LC Championship Last Chance | |
| 1105 | Kelly Xia | 54.09 | 10 | B Min | BB: 49.69 (+4.40s | 8.1%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 1106 | Mia Tamura | 54.11 | 9 | B Min | BB: 49.69 (+4.42s | 8.2%) | Sunnyvale Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 1107 | Hazel Towns | 54.12 | 9 | B Min | BB: 49.69 (+4.43s | 8.2%) | Olympus Aquatics | 06/06/2025 | Speed Lake City 2025 | |
| 1108 | Brielle Akers | 54.12 | 9 | B Min | BB: 49.69 (+4.43s | 8.2%) | Coronado Swim -team Elite | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 1109 | Caelyn Gibbons | 54.15 | 9 | B Min | BB: 49.69 (+4.46s | 8.2%) | Pikes Peak Athletics | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 1110 | Cora Sun | 54.16 | 9 | B Min | BB: 49.69 (+4.47s | 8.3%) | Wave Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 1111 | Aliana Mazon | 54.16 | 10 | B Min | BB: 49.69 (+4.47s | 8.3%) | Pueblo Swim Club | 07/11/2026 | 2026 CO SOCO LC Championship Last Chance | |
| 1112 | Ruby Spannagel | 54.16 | 10 | B Min | BB: 49.69 (+4.47s | 8.3%) | Valley Aquatics | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 1113 | Aurelia Varney-Washington | 54.18 | 8 | B Min | BB: 49.69 (+4.49s | 8.3%) | South Bay Aquatics | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | |
| 1114 | Evi Qi | 54.19 | 10 | B Min | BB: 49.69 (+4.50s | 8.3%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1115 | Saanjhi Sharma | 54.20 | 9 | B Min | BB: 49.69 (+4.51s | 8.3%) | ElitSwim Club | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 1116 | Caroline Czisch | 54.21 | 9 | B Min | BB: 49.69 (+4.52s | 8.3%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 1117 | Willa Matacale | 54.22 | 9 | B Min | BB: 49.69 (+4.53s | 8.4%) | Excel Aquatics | 06/04/2026 | 2026 Beaman Toyota Firecracker Invite | |
| 1118 | Makena Thomason | 54.23 | 10 | B Min | BB: 49.69 (+4.54s | 8.4%) | Lahaina Swim Club | 05/30/2026 | 2026 MAGSA LCM A 2 Meet | |
| 1119 | Elina Jumani | 54.24 | 8 | B Min | BB: 49.69 (+4.55s | 8.4%) | Bellevue Club Swim Team | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 1120 | Tess Jackman | 54.25 | 10 | B Min | BB: 49.69 (+4.56s | 8.4%) | Harbor Aquatics Club | 05/29/2025 | 2025 IE VS Apple Capital | |
| 1121 | Ava Wu | 54.26 | 9 | B Min | BB: 49.69 (+4.57s | 8.4%) | Cascade Swim Club | 09/19/2026 | 2026 PN CSC September Shakeout Approved | |
| 1122 | Antonella Garcia | 54.26 | 7 | B Min | BB: 49.69 (+4.57s | 8.4%) | Rancho San Dieguito | 05/23/2026 | 2026 SI HSA A All Ages NTS May 23 24 | |
| 1123 | Adalyn Moser | 54.26 | 10 | B Min | BB: 49.69 (+4.57s | 8.4%) | Fort Collins Area Swim Team | 07/10/2026 | 2026 CO NCS Gold District Championships | |
| 1124 | Lena Paul | 54.27 | 9 | B Min | BB: 49.69 (+4.58s | 8.4%) | Aces Swim Club | 07/10/2026 | 2026 CO ACES DSA Summer Blast | |
| 1125 | Finley Houtzer | 54.27 | 8 | B Min | BB: 49.69 (+4.58s | 8.4%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 1126 | Naomi Alozie-Obuh | 54.27 | 8 | B Min | BB: 49.69 (+4.58s | 8.4%) | Denver Swim Academy | 06/26/2026 | 2026 CO Zone 2 District Meet DU | |
| 1127 | Ruby Lee | 54.29 | 7 | B Min | BB: 49.69 (+4.60s | 8.5%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | |
| 1128 | Yi-Yi Yan | 54.30 | 10 | B Min | BB: 49.69 (+4.61s | 8.5%) | Canyons Aquatic Club | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 1129 | Isla Herdell | 54.30 | 10 | B Min | BB: 49.69 (+4.61s | 8.5%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | |
| 1130 | Frankie Medina | 54.32 | 9 | B Min | BB: 49.69 (+4.63s | 8.5%) | Foothills Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 1131 | Luna Huang | 54.34 | 8 | B Min | BB: 49.69 (+4.65s | 8.6%) | Tualatin Hills Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 1132 | Oleksandra Osadcha | 54.35 | 9 | B Min | BB: 49.69 (+4.66s | 8.6%) | Terrapins Swim Team | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 1133 | Gabrielle Byrum | 54.35 | 9 | B Min | BB: 49.69 (+4.66s | 8.6%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | |
| 1134 | Addy Frazier | 54.38 | 9 | B Min | BB: 49.69 (+4.69s | 8.6%) | West Coast Aquatics | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 1135 | Cora Agan | 54.43 | 9 | B Min | BB: 49.69 (+4.74s | 8.7%) | Chinook Aquatic Club | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 1136 | Ella Roberts | 54.45 | 9 | B Min | BB: 49.69 (+4.76s | 8.7%) | Denver Swim Academy | 06/26/2026 | 2026 CO Zone 2 District Meet DU | |
| 1137 | Emery Anderson | 54.45 | 10 | B Min | BB: 49.69 (+4.76s | 8.7%) | Team Sopris Swimming | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 1138 | Eiea Piano | 54.45 | 8 | B Min | BB: 49.69 (+4.76s | 8.7%) | Hawaii Swimming Club | 05/30/2026 | 2026 MAGSA LCM A 2 Meet | |
| 1139 | Mia Thai | 54.45 | 10 | B Min | BB: 49.69 (+4.76s | 8.7%) | Burlingame Aquatics | 06/12/2026 | BAC Long Course | |
| 1140 | Olivia Ganster | 54.46 | 9 | B Min | BB: 49.69 (+4.77s | 8.8%) | Roadrunner Aquatics | 04/26/2025 | Merced Skimmers Long Course Meet | |
| 1141 | Zoe Hill | 54.47 | 8 | B Min | BB: 49.69 (+4.78s | 8.8%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | |
| 1142 | Neve Caldwell | 54.48 | 9 | B Min | BB: 49.69 (+4.79s | 8.8%) | Foothills Swim Team | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 1143 | Jadzia Vo | 54.50 | 8 | B Min | BB: 49.69 (+4.81s | 8.8%) | Unattached | 05/18/2024 | San Benito Aquatics C B A+ | |
| 1144 | Cienna Gotelli | 54.51 | 8 | B Min | BB: 49.69 (+4.82s | 8.8%) | Heartland Swim Assoc | 05/23/2026 | 2026 SI HSA A All Ages NTS May 23 24 | |
| 1145 | Nancy Aldrich | 54.51 | 10 | B Min | BB: 49.69 (+4.82s | 8.8%) | Pueblo Swim Club | 06/05/2026 | 2026 COSA Long Couse Open | |
| 1146 | Hannah Pollock | 54.53 | 10 | B Min | BB: 49.69 (+4.84s | 8.9%) | Wind N Sea Swim Team | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | |
| 1147 | Zahra Elkenawy | 54.55 | 8 | B Min | BB: 49.69 (+4.86s | 8.9%) | Pacifica Sea Lions | 05/02/2026 | Alto Spring Jam CBA | |
| 1148 | Eva Martinez | 54.56 | 8 | B Min | BB: 49.69 (+4.87s | 8.9%) | Centro Acuatico Universitario | 05/16/2026 | 2026 BD SWAT School S Out Summer Bash | |
| 1149 | Harriet Engler | 54.57 | 9 | B Min | BB: 49.69 (+4.88s | 8.9%) | Issaquah Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | |
| 1150 | Piper Li | 54.58 | 7 | B Min | BB: 49.69 (+4.89s | 9.0%) | Pro Swimming | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
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.