Sierra Nevada 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Oliver Brock | 32.50 | 10 | AAA Min | AAAA: 32.19 (+0.31s | 1.0%) | Sierra Marlins Swim Team | 12/19/2025 | 2025 SI Winter Age Group Championships | |
| 2 | Johann Mancenido | 33.24 | 9 | AAA Min | AAAA: 32.19 (+1.05s | 3.2%) | Dart Swimming | 11/09/2024 | Folsom Classic 2024 | |
| 3 | Wesley Ng | 34.19 | 10 | AA Min | AAA: 33.99 (+0.20s | 0.6%) | Sacramento Aquatics Club | 04/03/2025 | Pacific Swimming SC Far Western Champs | |
| 4 | Wesley Ng | 34.19 | 10 | AA Min | AAA: 33.99 (+0.20s | 0.6%) | Sacramento Aquatics Club | 04/03/2025 | Pacific Swimming SC Far Western Champs | |
| 5 | Ethan Kirilyuk | 35.28 | 10 | AA Min | AAA: 33.99 (+1.29s | 3.7%) | Life Time Northern California | 04/03/2025 | Pacific Swimming SC Far Western Champs | |
| 6 | Bryce Gardin | 36.10 | 10 | A Min | AA: 35.79 (+0.31s | 0.9%) | California Capital Aquatics | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 7 | Ethan Zhang | 36.87 | 8 | A Min | AA: 35.79 (+1.08s | 2.9%) | Vacaville Swim Club | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 8 | Colin Martin | 37.39 | 10 | A Min | AA: 35.79 (+1.60s | 4.3%) | Aquasol | 11/08/2025 | Folsom Classic 2025 | |
| 9 | Rylan Kandt | 37.41 | 10 | A Min | AA: 35.79 (+1.62s | 4.3%) | California Capital Aquatics | 11/08/2025 | Folsom Classic 2025 | |
| 10 | Lachlan Jacobsen | 37.66 | 11 | BB Min | A: 37.59 (+0.07s | 0.2%) | Sparks Piranhas Swim Team | 03/14/2026 | 2026 NNA AGO | |
| 11 | Ludwik Pawelski | 37.95 | 8 | BB Min | A: 37.59 (+0.36s | 0.9%) | Sparks Piranhas Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 12 | Ryan Yoon | 38.72 | 10 | BB Min | A: 37.59 (+1.13s | 2.9%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 13 | Wonmin Kim | 39.21 | 10 | BB Min | A: 37.59 (+1.62s | 4.1%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 14 | Max Huang | 39.33 | 10 | BB Min | A: 37.59 (+1.74s | 4.4%) | Sierra Marlins Swim Team | 11/08/2025 | Folsom Classic 2025 | |
| 15 | Norman Glauberman | 39.50 | 10 | BB Min | A: 37.59 (+1.91s | 4.8%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 16 | Mitchell Sullivan | 39.78 | 10 | BB Min | A: 37.59 (+2.19s | 5.5%) | Dart Swimming | 07/26/2025 | 2025 REAL Championships | |
| 17 | Holt Jorgensen | 40.88 | 8 | BB Min | A: 37.59 (+3.29s | 8.0%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 18 | Yong-Jun Yu | 41.44 | 10 | BB Min | A: 37.59 (+3.85s | 9.3%) | Sierra Marlins Swim Team | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 19 | Calvin Alezeau | 41.46 | 9 | BB Min | A: 37.59 (+3.87s | 9.3%) | Life Time Northern California | 11/09/2024 | Folsom Classic 2024 | |
| 20 | Miles VanderLinden | 41.49 | 9 | BB Min | A: 37.59 (+3.90s | 9.4%) | Truckee-Tahoe Swim Team | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 21 | Thomas Sinatra | 41.66 | 10 | BB Min | A: 37.59 (+4.07s | 9.8%) | Rio Del Oro Rapids | 11/08/2025 | Folsom Classic 2025 | |
| 22 | Adrian Magner | 41.97 | 8 | BB Min | A: 37.59 (+4.38s | 10.4%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 23 | Augustus Pape | 42.22 | 10 | BB Min | A: 37.59 (+4.63s | 11.0%) | Sparks Piranhas Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 24 | Daniel Klyzhko | 42.28 | 10 | BB Min | A: 37.59 (+4.69s | 11.1%) | California Capital Aquatics | 11/08/2025 | Folsom Classic 2025 | |
| 25 | Landon Fukunaga | 42.75 | 10 | BB Min | A: 37.59 (+5.16s | 12.1%) | Dart Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 26 | Everett Jo | 43.35 | 9 | B Min | BB: 42.89 (+0.46s | 1.1%) | North State Narwhals | 11/22/2025 | Thankswimming Classic 2025 | |
| 27 | Kanoa Kikuta | 43.54 | 9 | B Min | BB: 42.89 (+0.65s | 1.5%) | Shasta YMCA Sharks | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 28 | Aarav Narayan | 43.61 | 8 | B Min | BB: 42.89 (+0.72s | 1.7%) | California Gold | 01/13/2024 | 2024 Tiger Aquatics C B BB+ | |
| 29 | Landon Crawford | 44.30 | 11 | B Min | BB: 42.89 (+1.41s | 3.2%) | Sparks Piranhas Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 30 | Michael Panic | 44.34 | 10 | B Min | BB: 42.89 (+1.45s | 3.3%) | Truckee-Tahoe Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 31 | Thiago Bardales | 45.73 | 11 | B Min | BB: 42.89 (+2.84s | 6.2%) | Sparks Piranhas Swim Team | 02/06/2026 | 2026 Valentines Day Age Group Open | |
| 32 | Luke Ramos | 46.84 | 10 | B Min | BB: 42.89 (+3.95s | 8.4%) | Vacaville Swim Club | 11/15/2025 | NVST Swimming Into Fall 2025 | |
| 33 | August Monroe | 47.03 | 10 | B Min | BB: 42.89 (+4.14s | 8.8%) | Shasta YMCA Sharks | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 34 | Grayson Jones | 47.38 | 9 | B Min | BB: 42.89 (+4.49s | 9.5%) | North State Narwhals | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | |
| 35 | Clayton Williams | 47.38 | 9 | B Min | BB: 42.89 (+4.49s | 9.5%) | Redding Swim Club | 02/01/2025 | Superior Aquatics Last Chance | |
| 36 | Henry Nelligan | 48.32 | 9 | B: 48.29 (+0.03s | 0.1%) | Sparks Piranhas Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | ||
| 37 | Tucker Moon | 48.71 | 9 | B: 48.29 (+0.42s | 0.9%) | Redding Swim Club | 11/22/2025 | Thankswimming Classic 2025 | ||
| 38 | Nate Smith | 49.76 | 9 | B: 48.29 (+1.47s | 3.0%) | Sparks Piranhas Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | ||
| 39 | Gabriel Goldman-Mohl | 50.57 | 8 | B: 48.29 (+2.28s | 4.5%) | Dart Swimming | 10/28/2023 | SCSC Vs DART Dual Meet | ||
| 40 | Adam Sadek | 51.62 | 9 | B: 48.29 (+3.33s | 6.5%) | Sparks Piranhas Swim Team | 02/06/2026 | 2026 Valentines Day Age Group Open | ||
| 41 | Zac Nunez | 52.19 | 8 | B: 48.29 (+3.90s | 7.5%) | North State Narwhals | 11/22/2025 | Thankswimming Classic 2025 | ||
| 42 | Thomas Rea | 52.48 | 8 | B: 48.29 (+4.19s | 8.0%) | Redding Swim Club | 11/22/2025 | Thankswimming Classic 2025 | ||
| 43 | Zach Osman | 52.82 | 8 | B: 48.29 (+4.53s | 8.6%) | Dart Swimming | 02/07/2026 | 2026 PSL Super Finals Invitational | ||
| 44 | Stephan Panic | 53.00 | 8 | B: 48.29 (+4.71s | 8.9%) | Truckee-Tahoe Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | ||
| 45 | Miles Wood | 53.28 | 7 | B: 48.29 (+4.99s | 9.4%) | Dart Swimming | 10/28/2023 | SCSC Vs DART Dual Meet | ||
| 46 | Lucas Chen | 53.49 | 9 | B: 48.29 (+5.20s | 9.7%) | Vacaville Swim Club | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | ||
| 47 | Ben Bryan | 54.64 | 7 | B: 48.29 (+6.35s | 11.6%) | Fallon Barracuda Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | ||
| 48 | Derrick Rule | 54.69 | 9 | B: 48.29 (+6.40s | 11.7%) | Fallon Barracuda Swim Team | 03/14/2026 | 2026 NNA AGO | ||
| 49 | Daniel Barrow | 56.18 | 7 | B: 48.29 (+7.89s | 14.0%) | Vacaville Swim Club | 09/30/2023 | Vallejo Aquatic Club SC C B A+ | ||
| 50 | Slater Wright | 56.22 | 7 | B: 48.29 (+7.93s | 14.1%) | Lassen Volcanoes | 09/12/2025 | Molly Lahlum Memorial Autumn Freeze | ||
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.