Pacific Swimming Boys 10 & under - 50 Y Back
These rankings show the swimmers' placement within their Local Swimming Committee (LSC).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 | |
|---|---|---|---|---|---|---|---|---|---|
| 251 | Jamie Russell | 45.59 | 9 | B Min | BB: 42.89 (+2.70s | 5.9%) | Santa Clara Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 252 | Jack Herson | 45.60 | 10 | B Min | BB: 42.89 (+2.71s | 5.9%) | Albany Armada Aquatics | 07/10/2026 | Redwood Empire Swim League Championship | |
| 253 | Kurt Goetze | 45.62 | 10 | B Min | BB: 42.89 (+2.73s | 6.0%) | Los Altos Mountain View Aquati | 03/28/2026 | LAMV C B A+ Meet | |
| 254 | Parker Weberg | 45.70 | 10 | B Min | BB: 42.89 (+2.81s | 6.1%) | Alameda Gators | 03/22/2025 | Albany Armada Aquatics SC C B BB+ | |
| 255 | Ryker Todd | 45.75 | 9 | B Min | BB: 42.89 (+2.86s | 6.3%) | Monterey Bay Swim Club | 10/25/2025 | 2025 Gil Williams Memorial Halloween Meet | |
| 256 | Tyler Zibell | 45.79 | 10 | B Min | BB: 42.89 (+2.90s | 6.3%) | Gilroy Gators Swim Team | 10/25/2025 | GGST Spooktacular 2025 | |
| 257 | Maximilian Zhou | 45.81 | 9 | B Min | BB: 42.89 (+2.92s | 6.4%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 258 | Matthew Merz | 45.82 | 9 | B Min | BB: 42.89 (+2.93s | 6.4%) | Los Gatos Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 259 | Owen Mast | 45.84 | 9 | B Min | BB: 42.89 (+2.95s | 6.4%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 260 | Jonah Lin | 45.84 | 8 | B Min | BB: 42.89 (+2.95s | 6.4%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 261 | Lyle Arnold | 45.87 | 10 | B Min | BB: 42.89 (+2.98s | 6.5%) | Piranha Swimming | 01/31/2026 | 2026 Peggy Ramirez Memorial Z3 Winter Champs | |
| 262 | Aiden Kiatrungrit | 45.90 | 10 | B Min | BB: 42.89 (+3.01s | 6.6%) | South San Francisco Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 263 | Sebastian Alfonso | 45.91 | 10 | B Min | BB: 42.89 (+3.02s | 6.6%) | Walnut Creek Aquabears | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 264 | Samuel Zhou | 45.92 | 10 | B Min | BB: 42.89 (+3.03s | 6.6%) | Bay Club Panthers | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | |
| 265 | Edmund Lin | 45.95 | 9 | B Min | BB: 42.89 (+3.06s | 6.7%) | California Dolphins Swim Team | 01/31/2026 | Zone 2 Winter Championship Meet | |
| 266 | Anthony Piazza | 46.01 | 9 | B Min | BB: 42.89 (+3.12s | 6.8%) | Otter Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 267 | Nixon Lo | 46.03 | 9 | B Min | BB: 42.89 (+3.14s | 6.8%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 268 | Grayson Julien | 46.10 | 10 | B Min | BB: 42.89 (+3.21s | 7.0%) | South Valley Makos | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 269 | Noah Hunter | 46.12 | 9 | B Min | BB: 42.89 (+3.23s | 7.0%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 270 | Jasper Yan | 46.16 | 7 | B Min | BB: 42.89 (+3.27s | 7.1%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 271 | Alec Henriques | 46.17 | 10 | B Min | BB: 42.89 (+3.28s | 7.1%) | Napa Valley Swim Team | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 272 | Nathaniel Min | 46.18 | 9 | B Min | BB: 42.89 (+3.29s | 7.1%) | California Dolphins Swim Team | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 273 | Ethan Gao | 46.18 | 9 | B Min | BB: 42.89 (+3.29s | 7.1%) | California Dolphins Swim Team | 03/22/2025 | 2025 3 22 CDST SC C B BB+ Meet | |
| 274 | Hayk Asatryan | 46.19 | 10 | B Min | BB: 42.89 (+3.30s | 7.1%) | Milpitas Aquatic Club | 09/27/2025 | 2025 MAC Season Kick Off | |
| 275 | Cimon Bunuan | 46.21 | 9 | B Min | BB: 42.89 (+3.32s | 7.2%) | South San Francisco Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 276 | Milo Gurkan | 46.23 | 10 | B Min | BB: 42.89 (+3.34s | 7.2%) | Seals Aquatics | 09/20/2025 | WANV CBA+ Endless Summer Meet | |
| 277 | Lucas Li | 46.24 | 8 | B Min | BB: 42.89 (+3.35s | 7.2%) | Milpitas Aquatic Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 278 | Esteban Trogkanis | 46.24 | 10 | B Min | BB: 42.89 (+3.35s | 7.2%) | Sunnyvale Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 279 | Ernest Gu | 46.25 | 8 | B Min | BB: 42.89 (+3.36s | 7.3%) | Bay Club Panthers | 01/10/2026 | BAC Norman Cutler Memorial | |
| 280 | Skye Gautschi | 46.26 | 9 | B Min | BB: 42.89 (+3.37s | 7.3%) | Valley Splash | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 281 | Elliott Lee Chan Kam | 46.28 | 10 | B Min | BB: 42.89 (+3.39s | 7.3%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 282 | Andrew Buenrostro | 46.30 | 10 | B Min | BB: 42.89 (+3.41s | 7.4%) | Palo Alto Stanford Aquatics | 01/10/2026 | SSF NEW YEAR SPLASH C B A+ | |
| 283 | Jacob Kapustin | 46.33 | 10 | B Min | BB: 42.89 (+3.44s | 7.4%) | Livermore AquaCowboys | 10/18/2025 | PC CDST SC C B BB+ | |
| 284 | Beckett Rossi | 46.36 | 9 | B Min | BB: 42.89 (+3.47s | 7.5%) | Bishop Swim Team | 06/13/2026 | Bishop Invitational 2026 | |
| 285 | Ivan Hu | 46.36 | 8 | B Min | BB: 42.89 (+3.47s | 7.5%) | Otter Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 286 | Lucas Estepa | 46.38 | 10 | B Min | BB: 42.89 (+3.49s | 7.5%) | Lakeridge Swim Team | 02/07/2025 | 2025 Valentines Day Age Group Open | |
| 287 | Albert Jing | 46.39 | 8 | B Min | BB: 42.89 (+3.50s | 7.5%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 288 | Liam Jones | 46.40 | 9 | B Min | BB: 42.89 (+3.51s | 7.6%) | North Bay Aquatics | 09/20/2025 | WANV CBA+ Endless Summer Meet | |
| 289 | Keo Strong | 46.44 | 9 | B Min | BB: 42.89 (+3.55s | 7.6%) | Piedmont Swim Team | 05/29/2026 | Piedmont Swim Team Club Championships | |
| 290 | Ethan Gu | 46.45 | 10 | B Min | BB: 42.89 (+3.56s | 7.7%) | Burlingame Aquatics | 10/11/2025 | SSF October Splash C B A+ Meet | |
| 291 | Jayden Yu | 46.49 | 10 | B Min | BB: 42.89 (+3.60s | 7.7%) | DeAnza Cupertino Aquatics | 03/28/2026 | LAMV C B A+ Meet | |
| 292 | Miles Wang | 46.50 | 9 | B Min | BB: 42.89 (+3.61s | 7.8%) | Pleasanton Seahawks | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 293 | Marlon Chinchilla | 46.52 | 9 | B Min | BB: 42.89 (+3.63s | 7.8%) | Piranha Swimming | 04/18/2026 | RP SWIM CLUB (PRNA) SPRING SWIM FEST! | |
| 294 | John Brethauer | 46.53 | 10 | B Min | BB: 42.89 (+3.64s | 7.8%) | YMCA Presidio Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 295 | Wilson Zhou | 46.55 | 10 | B Min | BB: 42.89 (+3.66s | 7.9%) | South San Francisco Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | |
| 296 | Lucas Fleck | 46.57 | 10 | B Min | BB: 42.89 (+3.68s | 7.9%) | AC Swim Club | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 297 | Jeffrey Li | 46.60 | 9 | B Min | BB: 42.89 (+3.71s | 8.0%) | Sunnyvale Swim Club | 03/07/2026 | DACA CBA Meet | |
| 298 | Joohwan Kim | 46.61 | 8 | B Min | BB: 42.89 (+3.72s | 8.0%) | DeAnza Cupertino Aquatics | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 299 | Blake Livingston | 46.62 | 10 | B Min | BB: 42.89 (+3.73s | 8.0%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 300 | Benjamin Aukes | 46.68 | 10 | B Min | BB: 42.89 (+3.79s | 8.1%) | AC Swim Club | 01/17/2026 | PC PRNA Final Splash To The Championship CBA+ | |
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.