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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1201 | Khaliya Stock | 53.43 | 9 | B Min | BB: 49.69 (+3.74s | 7.0%) | Maverick Aquatics | 06/19/2025 | 2025 CO Grand Junction Invitational | |
| 1202 | Vega Kelley | 53.43 | 9 | B Min | BB: 49.69 (+3.74s | 7.0%) | Front Range Barracudas | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 1203 | Eleanor Williams | 53.47 | 9 | B Min | BB: 49.69 (+3.78s | 7.1%) | Mount Hood Aquatics | 06/12/2026 | 73rd Ted Walker Invitational 2026 | |
| 1204 | Lilly Hill | 53.50 | 10 | B Min | BB: 49.69 (+3.81s | 7.1%) | Sparks Piranhas Swim Team | 06/20/2025 | Reno Aquatic Club Gamble | |
| 1205 | Madison Alvarez | 53.51 | 9 | B Min | BB: 49.69 (+3.82s | 7.1%) | Rocky Mountain Rapids | 07/10/2026 | 2026 CO Firecracker Last Chance Invite | |
| 1206 | Maya Lennon | 53.51 | 10 | B Min | BB: 49.69 (+3.82s | 7.1%) | Pacifica Sea Lions | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 1207 | Olivia Liu | 53.52 | 8 | B Min | BB: 49.69 (+3.83s | 7.2%) | Rancho San Dieguito | 05/23/2026 | 2026 SI HSA A All Ages NTS May 23 24 | |
| 1208 | Elliotte Gibson | 53.53 | 9 | B Min | BB: 49.69 (+3.84s | 7.2%) | East Bay Bat Rays | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 1209 | Mia Fingerhut | 53.54 | 9 | B Min | BB: 49.69 (+3.85s | 7.2%) | Bend Swim Club | 05/02/2025 | Bend Swim Club May Invitational | |
| 1210 | Shelby Dietz | 53.54 | 8 | B Min | BB: 49.69 (+3.85s | 7.2%) | Douglas Dolfins Swim Team | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | |
| 1211 | Aarvi Agrawal | 53.55 | 8 | B Min | BB: 49.69 (+3.86s | 7.2%) | Lakeridge Swim Team | 06/19/2026 | Reno Aquatic Club Gamble | |
| 1212 | Daphne Errett | 53.55 | 8 | B Min | BB: 49.69 (+3.86s | 7.2%) | Butte YMCA Swim Club | 07/10/2026 | 2026 MT HLST Last Chance Invitational | |
| 1213 | Ellie-Rose Boswell | 53.56 | 9 | B Min | BB: 49.69 (+3.87s | 7.2%) | Durango Swim Club | 07/10/2026 | 2026 CO Western Slope League Championships | |
| 1214 | Dolly Stowell | 53.56 | 9 | B Min | BB: 49.69 (+3.87s | 7.2%) | Voltage Aquatics | 06/07/2025 | Summer Classics 2025 | |
| 1215 | Alice Sterbenz | 53.57 | 8 | B Min | BB: 49.69 (+3.88s | 7.2%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | |
| 1216 | Miya Tellez | 53.57 | 10 | B Min | BB: 49.69 (+3.88s | 7.2%) | Iolani Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 1217 | Gemma Huon | 53.57 | 9 | B Min | BB: 49.69 (+3.88s | 7.2%) | North Coast Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 1218 | Nora Unfried | 53.57 | 9 | B Min | BB: 49.69 (+3.88s | 7.2%) | Redmond Aquatic Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 1219 | Joelle Noffsinger | 53.58 | 9 | B Min | BB: 49.69 (+3.89s | 7.3%) | Mission Aurora Colorado Swimmi | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 1220 | Ruby Joffer | 53.58 | 9 | B Min | BB: 49.69 (+3.89s | 7.3%) | Multnomah Athletic Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 1221 | Aliana Phillips | 53.60 | 8 | B Min | BB: 49.69 (+3.91s | 7.3%) | Front Range Barracudas | 06/12/2026 | 2026 RST Coach Beth Rushmore Classic | |
| 1222 | Camila Vasquez | 53.60 | 10 | B Min | BB: 49.69 (+3.91s | 7.3%) | Vallejo Aquatic Club | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | |
| 1223 | Annie McGrath | 53.60 | 8 | B Min | BB: 49.69 (+3.91s | 7.3%) | Univ. of Denver Hilltoppers | 04/24/2026 | 2026 CO Arena Catch Me If You Can | |
| 1224 | Paris Pratico | 53.61 | 10 | B Min | BB: 49.69 (+3.92s | 7.3%) | Legacy Aquatics | 05/30/2026 | 2026 NE RIAC Sail Away On The Ferry | |
| 1225 | River Shannon | 53.62 | 10 | B Min | BB: 49.69 (+3.93s | 7.3%) | Kona Dolphins Swim Club | 06/06/2026 | BIG ISLAND SWIMMING @ KSH | |
| 1226 | 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 | |
| 1227 | Nastassia Burton | 53.64 | 9 | B Min | BB: 49.69 (+3.95s | 7.4%) | Rogue Rapids | 05/16/2026 | 2026 TEAM Showdown | |
| 1228 | 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 | |
| 1229 | Olivia Le | 53.66 | 9 | 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+ | |
| 1230 | Lyza Esterson | 53.67 | 10 | B Min | BB: 49.69 (+3.98s | 7.4%) | Salem Swim Club | 06/05/2026 | 2026 CST Summer Invitational | |
| 1231 | 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 | |
| 1232 | 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 | |
| 1233 | Maryann Stapley | 53.71 | 9 | B Min | BB: 49.69 (+4.02s | 7.5%) | Olympus Aquatics | 06/27/2025 | 2nd Annual Water Dragon Open | |
| 1234 | 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 | |
| 1235 | Clara Chaikin | 53.76 | 8 | B Min | BB: 49.69 (+4.07s | 7.6%) | Denver Swim Academy | 04/26/2025 | 2025 CO FST Spring LC Fever | |
| 1236 | 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+ | |
| 1237 | 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 | |
| 1238 | 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 | |
| 1239 | 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 | |
| 1240 | Tessa Piotrowski | 53.78 | 9 | B Min | BB: 49.69 (+4.09s | 7.6%) | Foothills Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 1241 | 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 | |
| 1242 | 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 | |
| 1243 | Maggie Larison | 53.83 | 9 | B Min | BB: 49.69 (+4.14s | 7.7%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | |
| 1244 | Deborah Wu | 53.84 | 8 | B Min | BB: 49.69 (+4.15s | 7.7%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 1245 | 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 | |
| 1246 | Kennedy Canepa | 53.85 | 10 | B Min | BB: 49.69 (+4.16s | 7.7%) | Tiger Aquatics | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 1247 | 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 | |
| 1248 | 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+ | |
| 1249 | 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 | |
| 1250 | 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 | |
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.