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 | |
|---|---|---|---|---|---|---|---|---|---|
| 651 | John Cosgrove | 53.05 | 9 | B: 48.29 (+4.76s | 9.0%) | Unattached | 07/26/2025 | 2025 REAL Championships | ||
| 652 | Isaac Welmerink | 53.06 | 9 | B: 48.29 (+4.77s | 9.0%) | Lakeridge Swim Team | 08/01/2025 | 2025 High Country Short Course Championship | ||
| 653 | Leo Sciotto | 53.15 | 10 | B: 48.29 (+4.86s | 9.1%) | Mlst | 06/14/2025 | Bishop Invitational 2025 | ||
| 654 | Amet Cypert | 53.15 | 6 | B: 48.29 (+4.86s | 9.1%) | South San Francisco Aquatics | 12/06/2025 | DCD Winter Holiday Splash CBA+ | ||
| 655 | Mason Carlyle | 53.15 | 10 | B: 48.29 (+4.86s | 9.1%) | Gilroy Gators Swim Team | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | ||
| 656 | Samuel Pogue | 53.16 | 8 | B: 48.29 (+4.87s | 9.2%) | Carson Tigersharks | 08/01/2025 | 2025 High Country Short Course Championship | ||
| 657 | Vincent Cai | 53.16 | 8 | B: 48.29 (+4.87s | 9.2%) | Palo Alto Stanford Aquatics | 10/26/2024 | TYR BAC Spooky Fall Classic C B A+ Meet | ||
| 658 | Jiaqi Zong | 53.17 | 7 | B: 48.29 (+4.88s | 9.2%) | Santa Clara Swim Club | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | ||
| 659 | Brooks Kaiser | 53.25 | 8 | B: 48.29 (+4.96s | 9.3%) | South Valley Makos | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | ||
| 660 | Luke Korpi | 53.25 | 8 | B: 48.29 (+4.96s | 9.3%) | Diablo Aquatics | 10/18/2025 | PC SRVA SCY B BB+ Meet | ||
| 661 | Drake Larson | 53.26 | 8 | B: 48.29 (+4.97s | 9.3%) | Tahoe Swim Club | 10/18/2024 | 2024 KING OF THE HILL CHALLENGE | ||
| 662 | Rivaansh Shah | 53.36 | 9 | B: 48.29 (+5.07s | 9.5%) | Milpitas Aquatic Club | 11/09/2024 | Alto Go The Distance | ||
| 663 | Abayan Prithviraj | 53.36 | 9 | B: 48.29 (+5.07s | 9.5%) | Alto Swim Club | 02/22/2025 | De Anza C B A+ | ||
| 664 | Jules Ames | 53.37 | 10 | B: 48.29 (+5.08s | 9.5%) | Waves Aquatics Napa Valley | 03/22/2025 | PC PRNA CBA+ Spring Surge Swim To Win | ||
| 665 | Reza Afshar | 53.41 | 10 | B: 48.29 (+5.12s | 9.6%) | Burlingame Aquatics | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | ||
| 666 | Ulysses McIntyre | 53.45 | 10 | B: 48.29 (+5.16s | 9.7%) | Albany Armada Aquatics | 11/08/2025 | Albany Armada Aquatics C B BB+ Meet | ||
| 667 | Addison Watts | 53.50 | 7 | B: 48.29 (+5.21s | 9.7%) | Sebastopol Sea Serpents | 11/08/2025 | TCA PC November SC C B A+ | ||
| 668 | Theodore Storum | 53.51 | 9 | B: 48.29 (+5.22s | 9.8%) | Sebastopol Sea Serpents | 12/06/2025 | FeSSStive FroSSSt CBA+ 2025 | ||
| 669 | Oliver Sarrow | 53.53 | 7 | B: 48.29 (+5.24s | 9.8%) | Napa Valley Swim Team | 11/15/2025 | NVST Swimming Into Fall 2025 | ||
| 670 | Cooper Conrad | 53.53 | 9 | B: 48.29 (+5.24s | 9.8%) | Livermore AquaCowboys | 07/26/2025 | Zone 2 Summer Championships | ||
| 671 | Dennis Liu | 53.53 | 8 | B: 48.29 (+5.24s | 9.8%) | Milpitas Aquatic Club | 02/08/2025 | Swim South Bay | ||
| 672 | Declan Carter | 53.58 | 9 | B: 48.29 (+5.29s | 9.9%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | ||
| 673 | Ryan Ye | 53.60 | 9 | B: 48.29 (+5.31s | 9.9%) | Walnut Creek Aquabears | 07/26/2025 | Zone 2 Summer Championships | ||
| 674 | Yao Yang | 53.63 | 8 | B: 48.29 (+5.34s | 10.0%) | DeAnza Cupertino Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | ||
| 675 | Andy Shi | 53.63 | 9 | B: 48.29 (+5.34s | 10.0%) | Santa Clara Swim Club | 10/25/2025 | GGST Spooktacular 2025 | ||
| 676 | Elden Lu | 53.65 | 8 | B: 48.29 (+5.36s | 10.0%) | San Ramon Valley Aquatics | 09/28/2024 | Orinda Aquatics SC C B BB+ Meet | ||
| 677 | Sam Zhang | 53.66 | 8 | B: 48.29 (+5.37s | 10.0%) | Otter Swim Club | 12/06/2025 | DCD Winter Holiday Splash CBA+ | ||
| 678 | Reed Magan | 53.67 | 8 | B: 48.29 (+5.38s | 10.0%) | Bishop Swim Team | 06/10/2023 | Bishop Swim Team Short Course Invitational Meet | ||
| 679 | Parker Skelton | 53.85 | 7 | B: 48.29 (+5.56s | 10.3%) | Reno Aquatic Club | 08/01/2025 | 2025 High Country Short Course Championship | ||
| 680 | Marcus Chan | 53.90 | 10 | B: 48.29 (+5.61s | 10.4%) | Daly City Dolphins | 03/22/2025 | PSL SC CBA+ Meet | ||
| 681 | Lawrence Lan | 53.92 | 8 | B: 48.29 (+5.63s | 10.4%) | Alto Swim Club | 10/25/2025 | 2025 SUNN Fall Classic | ||
| 682 | Logan Ding | 53.93 | 9 | B: 48.29 (+5.64s | 10.5%) | California Dolphins Swim Team | 10/18/2025 | PC CDST SC C B BB+ | ||
| 683 | Logan Chan | 53.93 | 8 | B: 48.29 (+5.64s | 10.5%) | Daly City Dolphins | 12/06/2025 | DCD Winter Holiday Splash CBA+ | ||
| 684 | Finley Weiland | 53.94 | 9 | B: 48.29 (+5.65s | 10.5%) | Mlst | 08/01/2025 | 2025 High Country Short Course Championship | ||
| 685 | Adriel Bunquin | 53.97 | 9 | B: 48.29 (+5.68s | 10.5%) | East Bay Silver Dolphins | 09/13/2025 | East Bay Silver Dolphins Short Course C B BB+ | ||
| 686 | Griffin Smrz | 53.98 | 7 | B: 48.29 (+5.69s | 10.5%) | Orinda Aquatics | 09/30/2023 | Orinda Aquatics SC C B BB+ | ||
| 687 | Jon Deldar | 54.00 | 9 | B: 48.29 (+5.71s | 10.6%) | Monterey Bay Swim Club | 11/15/2024 | MBSC GSMY Z1S Race To AGC C B A+ | ||
| 688 | Noah Marin | 54.00 | 9 | B: 48.29 (+5.71s | 10.6%) | Aptos Cabrillo Swim Club | 07/18/2025 | CVAL | ||
| 689 | William Huang | 54.09 | 6 | B: 48.29 (+5.80s | 10.7%) | Daly City Dolphins | 10/04/2024 | SCSC Pacific Swimming Short Cours C B A+ Meet | ||
| 690 | Kellan Ruthven | 54.10 | 9 | B: 48.29 (+5.81s | 10.7%) | Montclair Swim Team | 05/19/2024 | Montclair 14 U Pentathlon | ||
| 691 | Lucian Green | 54.11 | 10 | B: 48.29 (+5.82s | 10.8%) | Piranha Swimming | 04/25/2025 | 2025 CCAT Easter Pentathlon | ||
| 692 | Anthony Salinas | 54.14 | 7 | B: 48.29 (+5.85s | 10.8%) | Piranha Swimming | 11/15/2025 | NVST Swimming Into Fall 2025 | ||
| 693 | Japmeh Shergill | 54.16 | 10 | B: 48.29 (+5.87s | 10.8%) | California Dolphins Swim Team | 03/22/2025 | 2025 3 22 CDST SC C B BB+ Meet | ||
| 694 | Advik Dhanuka | 54.17 | 10 | B: 48.29 (+5.88s | 10.9%) | Unattached | 12/06/2025 | DCD Winter Holiday Splash CBA+ | ||
| 695 | William Machado | 54.18 | 9 | B: 48.29 (+5.89s | 10.9%) | AC Swim Club | 09/27/2025 | Neptune Swimming Fall Classic | ||
| 696 | Adrian Williams | 54.19 | 8 | B: 48.29 (+5.90s | 10.9%) | Piranha Swimming | 12/06/2025 | Neptune Swimming Swim Like The Dickens | ||
| 697 | Gabriel Wei | 54.19 | 10 | B: 48.29 (+5.90s | 10.9%) | California Dolphins Swim Team | 05/18/2025 | Montclair 14 Under Short Course Pentathlon | ||
| 698 | Greyson McTague | 54.23 | 9 | B: 48.29 (+5.94s | 11.0%) | Mlst | 08/02/2024 | High Country Short Course Championship | ||
| 699 | Robert Ramsay | 54.26 | 7 | B: 48.29 (+5.97s | 11.0%) | Palo Alto Stanford Aquatics | 12/21/2024 | 2024 PASA Winter Frolic Meet @ PALY HS | ||
| 700 | Maxwell Ma | 54.34 | 9 | B: 48.29 (+6.05s | 11.1%) | California Dolphins Swim Team | 11/14/2025 | 2025 Santa Clara Swim 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.