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 | |
|---|---|---|---|---|---|---|---|---|---|
| 401 | Alejandro Rangel | 47.49 | 10 | B Min | BB: 42.89 (+4.60s | 9.7%) | Quicksilver Swimming | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 402 | Boyte Howell | 47.54 | 10 | B Min | BB: 42.89 (+4.65s | 9.8%) | Palo Alto Stanford Aquatics | 07/20/2025 | 2025 PASA Summer Palooza | |
| 403 | Vihaan Menon | 47.54 | 10 | B Min | BB: 42.89 (+4.65s | 9.8%) | Milpitas Aquatic Club | 03/29/2025 | Alto Rock The Blocks Invitational | |
| 404 | Tyler Siu | 47.59 | 9 | B Min | BB: 42.89 (+4.70s | 9.9%) | El Cerrito Gators | 05/18/2025 | Montclair 14 Under Short Course Pentathlon | |
| 405 | Viggo Spohn | 47.61 | 7 | B Min | BB: 42.89 (+4.72s | 9.9%) | Unattached | 03/01/2024 | TERA SCY C B BB+ Meet | |
| 406 | Lucas Nguyen | 47.62 | 9 | B Min | BB: 42.89 (+4.73s | 9.9%) | Valley Splash | 09/27/2025 | 2025 MAC Season Kick Off | |
| 407 | Zhouhan Yang | 47.62 | 9 | B Min | BB: 42.89 (+4.73s | 9.9%) | Alto Swim Club | 02/01/2025 | Alto Swim Club Valentine Classic | |
| 408 | Christopher Chi | 47.63 | 10 | B Min | BB: 42.89 (+4.74s | 10.0%) | DeAnza Cupertino Aquatics | 07/19/2025 | 2025 DACA SC CBA Meet | |
| 409 | Michael Chen | 47.64 | 10 | B Min | BB: 42.89 (+4.75s | 10.0%) | Monterey Bay Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 410 | Evan Kim | 47.66 | 9 | B Min | BB: 42.89 (+4.77s | 10.0%) | Sunnyvale Swim Club | 09/28/2025 | SUNN Blue And Gold Intrasquad Meet Copied | |
| 411 | Jaiden Yap | 47.67 | 9 | B Min | BB: 42.89 (+4.78s | 10.0%) | Santa Clara Swim Club | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | |
| 412 | Connor Welch | 47.67 | 8 | B Min | BB: 42.89 (+4.78s | 10.0%) | Sleepy Hollow | 11/12/2023 | Fall Jamboree Invitational 2023 | |
| 413 | Will Casley | 47.68 | 10 | B Min | BB: 42.89 (+4.79s | 10.0%) | Sebastopol Sea Serpents | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | |
| 414 | Ethan Zhong | 47.77 | 8 | B Min | BB: 42.89 (+4.88s | 10.2%) | Quicksilver Swimming | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 415 | Itai Nadav | 47.80 | 9 | B Min | BB: 42.89 (+4.91s | 10.3%) | Palo Alto Stanford Aquatics | 10/25/2025 | TYR BAC SPOOKY FALL CLASSIC | |
| 416 | Derek Feng | 47.81 | 9 | B Min | BB: 42.89 (+4.92s | 10.3%) | San Ramon Valley Aquatics | 03/22/2025 | 2025 3 22 CDST SC C B BB+ Meet | |
| 417 | Socrates Guerrero | 47.90 | 10 | B Min | BB: 42.89 (+5.01s | 10.5%) | Montclair Swim Team | 05/18/2025 | Montclair 14 Under Short Course Pentathlon | |
| 418 | Elijah Hodges | 47.92 | 10 | B Min | BB: 42.89 (+5.03s | 10.5%) | Sunnyvale Swim Club | 10/11/2025 | 2025 DACA SC CBA Meet | |
| 419 | Olivier Thomasson | 47.92 | 9 | B Min | BB: 42.89 (+5.03s | 10.5%) | Montclair Swim Team | 05/19/2024 | Montclair 14 U Pentathlon | |
| 420 | Griffin Arroyo | 47.94 | 8 | B Min | BB: 42.89 (+5.05s | 10.5%) | Walnut Creek Aquabears | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 421 | Carter Vizcarra | 47.95 | 8 | B Min | BB: 42.89 (+5.06s | 10.6%) | Neptune Swimming | 09/27/2024 | Neptune Swimming Fall Classic | |
| 422 | Victor Secor | 47.96 | 8 | B Min | BB: 42.89 (+5.07s | 10.6%) | Piedmont Swim Team | 03/22/2025 | Albany Armada Aquatics SC C B BB+ | |
| 423 | Arwin Safaee | 48.00 | 9 | B Min | BB: 42.89 (+5.11s | 10.6%) | Alto Swim Club | 02/01/2025 | Alto Swim Club Valentine Classic | |
| 424 | Benjamin Du | 48.01 | 10 | B Min | BB: 42.89 (+5.12s | 10.7%) | Santa Clara Swim Club | 10/25/2025 | GGST Spooktacular 2025 | |
| 425 | Alex Zhong | 48.03 | 7 | B Min | BB: 42.89 (+5.14s | 10.7%) | Santa Clara Swim Club | 06/14/2025 | SCSC Blue Gold Block Party Meet June | |
| 426 | Kyle Cheung | 48.03 | 9 | B Min | BB: 42.89 (+5.14s | 10.7%) | Palo Alto Stanford Aquatics | 10/25/2025 | TYR BAC SPOOKY FALL CLASSIC | |
| 427 | Charles Guess | 48.05 | 8 | B Min | BB: 42.89 (+5.16s | 10.7%) | Tahoe Swim Club | 02/07/2025 | 2025 Valentines Day Age Group Open | |
| 428 | Lukas Brautigam | 48.06 | 10 | B Min | BB: 42.89 (+5.17s | 10.8%) | Lakeridge Swim Team | 02/07/2025 | 2025 Valentines Day Age Group Open | |
| 429 | Yu-Jia Liu | 48.09 | 9 | B Min | BB: 42.89 (+5.20s | 10.8%) | Quicksilver Swimming | 01/26/2024 | 2024 Brian Malick Memorial Z1S Championships | |
| 430 | Bradley Tran | 48.10 | 9 | B Min | BB: 42.89 (+5.21s | 10.8%) | Quicksilver Swimming | 01/26/2024 | 2024 Brian Malick Memorial Z1S Championships | |
| 431 | Woohyun Kim | 48.15 | 7 | B Min | BB: 42.89 (+5.26s | 10.9%) | Santa Clara Swim Club | 10/25/2025 | GGST Spooktacular 2025 | |
| 432 | Jaxson Duncan | 48.16 | 10 | B Min | BB: 42.89 (+5.27s | 10.9%) | Carson Tigersharks | 01/17/2025 | 2025 Blizzard Blast Swim Meet | |
| 433 | Noah Hunter | 48.19 | 9 | B Min | BB: 42.89 (+5.30s | 11.0%) | Quicksilver Swimming | 10/25/2025 | GGST Spooktacular 2025 | |
| 434 | Holden Hoffman | 48.19 | 9 | B Min | BB: 42.89 (+5.30s | 11.0%) | Terrapins Swim Team | 10/18/2025 | PC SRVA SCY B BB+ Meet | |
| 435 | Aaron Littlefield | 48.20 | 8 | B Min | BB: 42.89 (+5.31s | 11.0%) | Walnut Creek Aquabears | 01/13/2024 | 2024 Tiger Aquatics C B BB+ | |
| 436 | Alan Li | 48.24 | 10 | B Min | BB: 42.89 (+5.35s | 11.1%) | Santa Clara Swim Club | 03/01/2025 | Santa Clara Swim Club Race To AG Champs | |
| 437 | Jake Gehlert | 48.24 | 9 | B Min | BB: 42.89 (+5.35s | 11.1%) | Piedmont Swim Team | 10/18/2025 | PC CDST SC C B BB+ | |
| 438 | Arjun Niranjan Shetty | 48.24 | 7 | B Min | BB: 42.89 (+5.35s | 11.1%) | South Valley Makos | 04/26/2025 | Pacific Swimming 10 Under SC Championships | |
| 439 | Maxwell Kelsey | 48.24 | 9 | B Min | BB: 42.89 (+5.35s | 11.1%) | Almaden Riptide | 10/25/2025 | GGST Spooktacular 2025 | |
| 440 | Charles McAffee | 48.25 | 10 | B Min | BB: 42.89 (+5.36s | 11.1%) | Douglas Dolfins Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 441 | Alexander Forward | 48.25 | 7 | B Min | BB: 42.89 (+5.36s | 11.1%) | San Jose Goosemonkeys | 02/08/2025 | Swim South Bay | |
| 442 | Lucas Chua | 48.30 | 10 | B: 48.29 (+0.01s | 0.0%) | Triton Aquatics Club | 12/14/2024 | 2024 12 14 CDST SC C B BB+ Meet | ||
| 443 | Emmett Bradbury | 48.31 | 10 | B: 48.29 (+0.02s | 0.0%) | Crescent City Swim Club | 10/25/2025 | Superior Aquatics Monster Splash | ||
| 444 | Ari Last | 48.32 | 8 | B: 48.29 (+0.03s | 0.1%) | Palo Alto Stanford Aquatics | 03/23/2024 | Los Altos Mountain View AC C B A+ | ||
| 445 | Riaan Chandak | 48.32 | 10 | B: 48.29 (+0.03s | 0.1%) | Milpitas Aquatic Club | 09/27/2025 | 2025 MAC Season Kick Off | ||
| 446 | Logan Yip | 48.32 | 9 | B: 48.29 (+0.03s | 0.1%) | South San Francisco Aquatics | 10/11/2025 | SSF October Splash C B A+ Meet | ||
| 447 | Nicolas Pataky | 48.33 | 9 | B: 48.29 (+0.04s | 0.1%) | Palo Alto Stanford Aquatics | 10/05/2024 | 2024 DACA CBA SC Meet | ||
| 448 | Pragun Kistampally | 48.36 | 10 | B: 48.29 (+0.07s | 0.1%) | Hills Hurricane Swimming | 10/18/2025 | PC SRVA SCY B BB+ Meet | ||
| 449 | Christopher Rasmuson | 48.36 | 8 | B: 48.29 (+0.07s | 0.1%) | Bishop Swim Team | 08/01/2025 | 2025 High Country Short Course Championship | ||
| 450 | Patrick Yuan | 48.41 | 9 | B: 48.29 (+0.12s | 0.2%) | Milpitas Aquatic Club | 09/14/2024 | Milpitas Aquatic Club SC CBA+ Meet | ||
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.