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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Max Bookstein | 48.43 | 10 | B: 48.29 (+0.14s | 0.3%) | Otter Swim Club | 07/19/2025 | 2025 DACA SC CBA Meet | ||
| 452 | Arz Abu Raya | 48.44 | 7 | B: 48.29 (+0.15s | 0.3%) | Daly City Dolphins | 01/11/2025 | South San Francisco New Year Splash C B A+ | ||
| 453 | Jack Schubert | 48.48 | 8 | B: 48.29 (+0.19s | 0.4%) | Quicksilver Swimming | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | ||
| 454 | Ryan Beaver | 48.49 | 9 | B: 48.29 (+0.20s | 0.4%) | Napa Valley Swim Team | 07/26/2025 | 2025 REAL Championships | ||
| 455 | Dominic Molina | 48.49 | 10 | B: 48.29 (+0.20s | 0.4%) | Gilroy Gators Swim Team | 07/18/2025 | CVAL | ||
| 456 | Brian Chen | 48.51 | 10 | B: 48.29 (+0.22s | 0.5%) | Palo Alto Stanford Aquatics | 07/20/2025 | 2025 PASA Summer Palooza | ||
| 457 | Nathanael Areias | 48.57 | 8 | B: 48.29 (+0.28s | 0.6%) | Walnut Creek Aquabears | 11/18/2023 | LAC Nov 18 Quad Meet | ||
| 458 | Cashel Burrows | 48.57 | 10 | B: 48.29 (+0.28s | 0.6%) | Douglas Dolfins Swim Team | 08/01/2025 | 2025 High Country Short Course Championship | ||
| 459 | Zhencheng Xu | 48.62 | 9 | B: 48.29 (+0.33s | 0.7%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | ||
| 460 | Ernest Gu | 48.62 | 7 | B: 48.29 (+0.33s | 0.7%) | Bay Club Panthers | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 461 | Gavin Lowe | 48.64 | 10 | B: 48.29 (+0.35s | 0.7%) | Tri Valley Aquatics | 10/18/2025 | PC SRVA SCY B BB+ Meet | ||
| 462 | Holden Richards | 48.69 | 9 | B: 48.29 (+0.40s | 0.8%) | AC Swim Club | 07/26/2025 | 2025 REAL Championships | ||
| 463 | Beckett Rossi | 48.71 | 8 | B: 48.29 (+0.42s | 0.9%) | Bishop Swim Team | 08/01/2025 | 2025 High Country Short Course Championship | ||
| 464 | Arthur Viray | 48.75 | 8 | B: 48.29 (+0.46s | 0.9%) | Daly City Dolphins | 03/22/2025 | PSL SC CBA+ Meet | ||
| 465 | Bruce Asmega | 48.77 | 10 | B: 48.29 (+0.48s | 1.0%) | Pacifica Sea Lions | 10/11/2025 | SSF October Splash C B A+ Meet | ||
| 466 | Elijah Jacobs | 48.78 | 9 | B: 48.29 (+0.49s | 1.0%) | Crescent City Swim Club | 11/09/2024 | SCAT Open | ||
| 467 | Jeffrey Li | 48.81 | 9 | B: 48.29 (+0.52s | 1.1%) | Sunnyvale Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 468 | Alex Hirata | 48.82 | 10 | B: 48.29 (+0.53s | 1.1%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 469 | Sullivan Chen | 48.82 | 9 | B: 48.29 (+0.53s | 1.1%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | ||
| 470 | Weston Jaegers | 48.83 | 9 | B: 48.29 (+0.54s | 1.1%) | Mlst | 08/02/2024 | High Country Short Course Championship | ||
| 471 | Artyom Smirnoff | 48.84 | 10 | B: 48.29 (+0.55s | 1.1%) | Alto Swim Club | 03/29/2025 | Alto Rock The Blocks Invitational | ||
| 472 | Aiden Kiatrungrit | 48.88 | 9 | B: 48.29 (+0.59s | 1.2%) | South San Francisco Aquatics | 01/11/2025 | South San Francisco New Year Splash C B A+ | ||
| 473 | Noah Gonzales | 48.94 | 9 | B: 48.29 (+0.65s | 1.3%) | South San Francisco Aquatics | 10/11/2025 | SSF October Splash C B A+ Meet | ||
| 474 | Nash Meredith | 48.94 | 9 | B: 48.29 (+0.65s | 1.3%) | Pacifica Sea Lions | 02/07/2025 | 2025 PSL Super Finals Invitational | ||
| 475 | Vincent Liu | 48.95 | 9 | B: 48.29 (+0.66s | 1.3%) | Daly City Dolphins | 09/21/2024 | South San Francisco C B A+ | ||
| 476 | Aaron Wang | 48.96 | 8 | B: 48.29 (+0.67s | 1.4%) | Quicksilver Swimming | 04/26/2025 | Pacific Swimming 10 Under SC Championships | ||
| 477 | Daniel Gerasimov | 48.98 | 8 | B: 48.29 (+0.69s | 1.4%) | Los Gatos Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | ||
| 478 | Adam Ellingwood | 48.99 | 9 | B: 48.29 (+0.70s | 1.4%) | Soda Fall | 11/10/2024 | Fall Jamboree Invitational 2024 | ||
| 479 | Lucas Hagopian | 49.02 | 10 | B: 48.29 (+0.73s | 1.5%) | Moraga Country Club | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | ||
| 480 | Robert Chen | 49.07 | 9 | B: 48.29 (+0.78s | 1.6%) | San Ramon Valley Aquatics | 02/17/2024 | SRVA SCY CBBB+ | ||
| 481 | Youssef Mahassine | 49.08 | 9 | B: 48.29 (+0.79s | 1.6%) | Walnut Creek Aquabears | 11/15/2024 | Pacific Swimming SCY B BB+ Last Chance Meet | ||
| 482 | Braden Saporsantos | 49.11 | 9 | B: 48.29 (+0.82s | 1.7%) | East Bay Silver Dolphins | 12/14/2024 | Richard Thorntorn Memorial Meet SCY CBBB+ | ||
| 483 | Ryan Chen | 49.17 | 10 | B: 48.29 (+0.88s | 1.8%) | DeAnza Cupertino Aquatics | 07/19/2025 | 2025 DACA SC CBA Meet | ||
| 484 | League Anakata | 49.19 | 9 | B: 48.29 (+0.90s | 1.8%) | Alameda Gators | 03/22/2025 | Albany Armada Aquatics SC C B BB+ | ||
| 485 | Finnegan Persampieri | 49.20 | 10 | B: 48.29 (+0.91s | 1.8%) | Otter Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 486 | Yichen Wang | 49.20 | 8 | B: 48.29 (+0.91s | 1.8%) | Alto Swim Club | 02/01/2025 | Alto Swim Club Valentine Classic | ||
| 487 | Leo Yetim | 49.22 | 8 | B: 48.29 (+0.93s | 1.9%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 488 | Christopher Rasmuson | 49.24 | 7 | B: 48.29 (+0.95s | 1.9%) | Bishop Swim Team | 08/02/2024 | High Country Short Course Championship | ||
| 489 | Cody Darnell | 49.32 | 9 | B: 48.29 (+1.03s | 2.1%) | South Valley Makos | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | ||
| 490 | Kepler Ring | 49.33 | 9 | B: 48.29 (+1.04s | 2.1%) | Palo Alto Stanford Aquatics | 07/20/2025 | 2025 PASA Summer Palooza | ||
| 491 | Zachary Amin | 49.33 | 10 | B: 48.29 (+1.04s | 2.1%) | Burlingame Aquatics | 02/22/2025 | BAC C B A Meet | ||
| 492 | Lyle Arnold | 49.35 | 9 | B: 48.29 (+1.06s | 2.1%) | Piranha Swimming | 02/01/2025 | 2025 Peggy Ramirez Memorial Z3 Winter Champs | ||
| 493 | Jack Prida | 49.41 | 10 | B: 48.29 (+1.12s | 2.3%) | Reno Aquatic Club | 01/17/2025 | 2025 Blizzard Blast Swim Meet | ||
| 494 | Sebastian Guevara | 49.44 | 7 | B: 48.29 (+1.15s | 2.3%) | Alto Swim Club | 10/07/2022 | ALTO Meet Oct 7 9 2022 | ||
| 495 | Maximilian Kuo | 49.44 | 6 | B: 48.29 (+1.15s | 2.3%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | ||
| 496 | Luke Jiang | 49.46 | 8 | B: 48.29 (+1.17s | 2.4%) | Piedmont Swim Team | 09/30/2023 | Orinda Aquatics SC C B BB+ | ||
| 497 | Oliver Maa | 49.47 | 9 | B: 48.29 (+1.18s | 2.4%) | Alto Swim Club | 02/01/2025 | Alto Swim Club Valentine Classic | ||
| 498 | Mark Tan | 49.48 | 10 | B: 48.29 (+1.19s | 2.4%) | ElitSwim Club | 10/18/2025 | PC SRVA SCY B BB+ Meet | ||
| 499 | Lucas Li | 49.50 | 7 | B: 48.29 (+1.21s | 2.4%) | Alto Swim Club | 02/22/2025 | De Anza C B A+ | ||
| 500 | Logan Chao | 49.50 | 9 | B: 48.29 (+1.21s | 2.4%) | Sleepy Hollow | 11/10/2024 | Fall Jamboree Invitational 2024 | ||
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.