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 | |
|---|---|---|---|---|---|---|---|---|---|
| 51 | Leo Liao | 38.39 | 10 | BB Min | A: 37.59 (+0.80s | 2.1%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 52 | Nolan Chan | 38.45 | 10 | BB Min | A: 37.59 (+0.86s | 2.2%) | Phoenix Swimming | 10/11/2025 | 2025 NE PHX Oct Meet Copied | |
| 53 | Yixuan Zhu | 38.50 | 10 | BB Min | A: 37.59 (+0.91s | 2.4%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 54 | Charles Sundberg | 38.51 | 10 | BB Min | A: 37.59 (+0.92s | 2.4%) | Unattached | 07/10/2026 | Redwood Empire Swim League Championship | |
| 55 | Adam Ma | 38.61 | 10 | BB Min | A: 37.59 (+1.02s | 2.6%) | California Dolphins Swim Team | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 56 | Finn Scott | 38.76 | 10 | BB Min | A: 37.59 (+1.17s | 3.0%) | Alto Swim Club | 01/24/2026 | 2026 Zone 1 North Championships | |
| 57 | Chayton Zhou | 38.80 | 9 | BB Min | A: 37.59 (+1.21s | 3.1%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 58 | Asher Young | 38.83 | 10 | BB Min | A: 37.59 (+1.24s | 3.2%) | Terrapins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 59 | Henry Horner | 38.90 | 9 | BB Min | A: 37.59 (+1.31s | 3.4%) | Diablo Aquatics | 12/04/2025 | 2025 Holiday Swim Festival | |
| 60 | Eric Hu | 38.92 | 9 | BB Min | A: 37.59 (+1.33s | 3.4%) | Santa Clara Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 61 | Lucas Jiang | 38.96 | 9 | BB Min | A: 37.59 (+1.37s | 3.5%) | Santa Clara Swim Club | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 62 | Michael Campbell | 39.00 | 10 | BB Min | A: 37.59 (+1.41s | 3.6%) | Birmingham \\\\\\'y\\\\\\' Blue Dolphins | 11/08/2025 | Atlantis 2025 Fall Quack Tack Ular | |
| 63 | Eddie Bi | 39.08 | 9 | BB Min | A: 37.59 (+1.49s | 3.8%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 64 | Brayden Nguyen | 39.10 | 10 | BB Min | A: 37.59 (+1.51s | 3.9%) | San Jose Goosemonkeys | 02/28/2026 | Swim South Bay | |
| 65 | Brendan Ma | 39.10 | 9 | BB Min | A: 37.59 (+1.51s | 3.9%) | Orinda Aquatics | 03/28/2026 | Piedmont Swim Team C B BB+ | |
| 66 | Luca Fu | 39.21 | 9 | BB Min | A: 37.59 (+1.62s | 4.1%) | Lakeridge Swim Team | 03/14/2026 | 2026 NNA AGO | |
| 67 | Arick Yuan | 39.30 | 10 | BB Min | A: 37.59 (+1.71s | 4.4%) | Santa Clara Swim Club | 10/11/2025 | QSS Santa Cruz Competenicia C B A+ | |
| 68 | Jeffrey Crouse | 39.44 | 10 | BB Min | A: 37.59 (+1.85s | 4.7%) | Livermore AquaCowboys | 07/25/2026 | Zone 2 Summer Championships | |
| 69 | Nicholas Mosendz | 39.49 | 10 | BB Min | A: 37.59 (+1.90s | 4.8%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | |
| 70 | Caden Paterson | 39.49 | 10 | BB Min | A: 37.59 (+1.90s | 4.8%) | Livermore AquaCowboys | 07/25/2026 | Zone 2 Summer Championships | |
| 71 | Jonathan Chen | 39.52 | 9 | BB Min | A: 37.59 (+1.93s | 4.9%) | California Dolphins Swim Team | 07/25/2026 | Zone 2 Summer Championships | |
| 72 | Darren Zhao | 39.58 | 10 | BB Min | A: 37.59 (+1.99s | 5.0%) | Palo Alto Stanford Aquatics | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 73 | Jason Yin | 39.60 | 9 | BB Min | A: 37.59 (+2.01s | 5.1%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 74 | Benjamin Aukes | 39.61 | 10 | BB Min | A: 37.59 (+2.02s | 5.1%) | AC Swim Club | 07/25/2026 | 2026 REAL Championships | |
| 75 | Taeyul Heo | 39.67 | 10 | BB Min | A: 37.59 (+2.08s | 5.2%) | Pleasanton Seahawks | 07/25/2026 | Zone 2 Summer Championships | |
| 76 | Maxwell Yao | 39.70 | 9 | BB Min | A: 37.59 (+2.11s | 5.3%) | Gilroy Gators Swim Team | 03/20/2026 | SCY Spring Age Group Championships | |
| 77 | Kaleb Luu | 39.79 | 9 | BB Min | A: 37.59 (+2.20s | 5.5%) | Pleasanton Seahawks | 07/25/2026 | Zone 2 Summer Championships | |
| 78 | Joseph Pelleriti | 39.80 | 9 | BB Min | A: 37.59 (+2.21s | 5.6%) | Pacific Coast Marlins | 12/06/2025 | Neptune Swimming Swim Like The Dickens | |
| 79 | Hunter Atkins | 39.86 | 10 | BB Min | A: 37.59 (+2.27s | 5.7%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 80 | David Rivera | 39.88 | 10 | BB Min | A: 37.59 (+2.29s | 5.7%) | Almaden Riptide | 02/07/2026 | 2026 PSL Super Finals Invitational | |
| 81 | Noah Chiu | 39.96 | 10 | BB Min | A: 37.59 (+2.37s | 5.9%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 82 | Channing Pepper | 39.98 | 10 | BB Min | A: 37.59 (+2.39s | 6.0%) | Seals Aquatics | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | |
| 83 | Maddox Merz | 40.07 | 9 | BB Min | A: 37.59 (+2.48s | 6.2%) | Los Gatos Swim Club | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 84 | Kai Kitamori | 40.10 | 10 | BB Min | A: 37.59 (+2.51s | 6.3%) | East Bay Bat Rays | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 85 | Daniel Nagaoka | 40.15 | 10 | BB Min | A: 37.59 (+2.56s | 6.4%) | Quicksilver Swimming | 02/07/2026 | Valley Splash Short Course C B A Meet | |
| 86 | Ryden Ciammaichella | 40.19 | 9 | BB Min | A: 37.59 (+2.60s | 6.5%) | Piedmont Swim Team | 07/10/2026 | Redwood Empire Swim League Championship | |
| 87 | Chinmay Joshi | 40.19 | 9 | BB Min | A: 37.59 (+2.60s | 6.5%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 88 | William Frohnen | 40.29 | 9 | BB Min | A: 37.59 (+2.70s | 6.7%) | San Ramon Valley Aquatics | 07/25/2026 | Zone 2 Summer Championships | |
| 89 | Elias Lien | 40.31 | 8 | BB Min | A: 37.59 (+2.72s | 6.7%) | Santa Clara Swim Club | 09/27/2025 | 2025 MAC Season Kick Off | |
| 90 | Jeremy Zhao | 40.46 | 9 | BB Min | A: 37.59 (+2.87s | 7.1%) | Quicksilver Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 91 | Ronan MurdockPerriera | 40.48 | 9 | BB Min | A: 37.59 (+2.89s | 7.1%) | AC Swim Club | 07/25/2026 | 2026 REAL Championships | |
| 92 | Luke Xu | 40.57 | 10 | BB Min | A: 37.59 (+2.98s | 7.3%) | California Dolphins Swim Team | 12/12/2025 | Winter SC Age Group Championships | |
| 93 | Nakai LaMere | 40.63 | 10 | BB Min | A: 37.59 (+3.04s | 7.5%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 94 | Daniel Heilman | 40.63 | 10 | BB Min | A: 37.59 (+3.04s | 7.5%) | San Francisco Seals Swim Team | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 95 | Tyler Mirasol | 40.80 | 9 | BB Min | A: 37.59 (+3.21s | 7.9%) | Quicksilver Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 96 | Noah Wu | 40.82 | 10 | BB Min | A: 37.59 (+3.23s | 7.9%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 97 | Adam Ellingwood | 40.82 | 10 | BB Min | A: 37.59 (+3.23s | 7.9%) | Pleasanton Seahawks | 07/25/2026 | Zone 2 Summer Championships | |
| 98 | Micah Parris | 40.84 | 9 | BB Min | A: 37.59 (+3.25s | 8.0%) | Sunnyvale Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 99 | Jacob Chen | 40.95 | 9 | BB Min | A: 37.59 (+3.36s | 8.2%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 100 | Joon Cha | 41.10 | 10 | BB Min | A: 37.59 (+3.51s | 8.5%) | Pacific Swimming Zone | 04/26/2026 | 2026 Pacific Swimming Zone All Star 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.