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 | Sean Kim | 34.95 | 10 | AA Min | AAA: 33.99 (+0.96s | 2.7%) | Sierra Marlins Swim Team | 04/03/2025 | Pacific Swimming SC Far Western Champs | |
| 5 | Keoni Kikuta | 34.97 | 10 | AA Min | AAA: 33.99 (+0.98s | 2.8%) | Shasta YMCA Sharks | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 6 | Cesar Martinez | 35.17 | 10 | AA Min | AAA: 33.99 (+1.18s | 3.4%) | Crater | 02/14/2025 | 2025 OR HS 5A 2 | |
| 7 | 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 | |
| 8 | 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 | |
| 9 | Colin Martin | 37.39 | 10 | A Min | AA: 35.79 (+1.60s | 4.3%) | Aquasol | 11/08/2025 | Folsom Classic 2025 | |
| 10 | Rylan Kandt | 37.41 | 10 | A Min | AA: 35.79 (+1.62s | 4.3%) | California Capital Aquatics | 11/08/2025 | Folsom Classic 2025 | |
| 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 | Aiden Cheung | 38.44 | 10 | BB Min | A: 37.59 (+0.85s | 2.2%) | Sierra Marlins Swim Team | 11/08/2025 | Folsom Classic 2025 | |
| 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 | Mitchell Sullivan | 39.78 | 10 | BB Min | A: 37.59 (+2.19s | 5.5%) | Dart Swimming | 07/26/2025 | 2025 REAL Championships | |
| 16 | Brock Sweet | 40.10 | 10 | BB Min | A: 37.59 (+2.51s | 6.3%) | Sierra Marlins Swim Team | 11/08/2025 | Folsom Classic 2025 | |
| 17 | Lachlan Jacobsen | 40.16 | 10 | BB Min | A: 37.59 (+2.57s | 6.4%) | Sparks Piranhas Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 18 | Ryan Yoon | 40.30 | 10 | BB Min | A: 37.59 (+2.71s | 6.7%) | Sierra Marlins Swim Team | 11/08/2025 | Folsom Classic 2025 | |
| 19 | Holt Jorgensen | 40.88 | 8 | BB Min | A: 37.59 (+3.29s | 8.0%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 20 | Calvin Alezeau | 41.46 | 9 | BB Min | A: 37.59 (+3.87s | 9.3%) | Life Time Northern California | 11/09/2024 | Folsom Classic 2024 | |
| 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 | David Chu | 42.34 | 10 | BB Min | A: 37.59 (+4.75s | 11.2%) | Elk Grove Aquatics Club | 02/14/2025 | 2025 Neptune Swimming Invitational | |
| 26 | Benjamin McCormick | 42.63 | 10 | BB Min | A: 37.59 (+5.04s | 11.8%) | Shasta YMCA Sharks | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 27 | Everett Jo | 43.35 | 9 | B Min | BB: 42.89 (+0.46s | 1.1%) | North State Narwhals | 11/22/2025 | Thankswimming Classic 2025 | |
| 28 | 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 | |
| 29 | 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+ | |
| 30 | 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 | |
| 31 | 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 | |
| 32 | Miles VanderLinden | 45.13 | 9 | B Min | BB: 42.89 (+2.24s | 5.0%) | Truckee-Tahoe Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | |
| 33 | 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 | |
| 34 | 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 | |
| 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 | 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 | |
| 37 | Kohven Thompson | 47.69 | 8 | B Min | BB: 42.89 (+4.80s | 10.1%) | Truckee-Tahoe Swim Team | 01/12/2024 | 2024 Blizzard Blast | |
| 38 | 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 | ||
| 39 | Tucker Moon | 48.71 | 9 | B: 48.29 (+0.42s | 0.9%) | Redding Swim Club | 11/22/2025 | Thankswimming Classic 2025 | ||
| 40 | Thiago Bardales | 48.80 | 11 | B: 48.29 (+0.51s | 1.0%) | Sparks Piranhas Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | ||
| 41 | Nate Smith | 49.76 | 9 | B: 48.29 (+1.47s | 3.0%) | Sparks Piranhas Swim Team | 01/16/2026 | 2026 Blizzard Blast Swim Meet | ||
| 42 | Gabriel Goldman-Mohl | 50.57 | 8 | B: 48.29 (+2.28s | 4.5%) | Dart Swimming | 10/28/2023 | SCSC Vs DART Dual Meet | ||
| 43 | Bryce Gardin | 52.11 | 6 | B: 48.29 (+3.82s | 7.3%) | Snwwa | 02/04/2022 | Vallejo Aquatic Club SC C B A+ | ||
| 44 | Zac Nunez | 52.19 | 8 | B: 48.29 (+3.90s | 7.5%) | North State Narwhals | 11/22/2025 | Thankswimming Classic 2025 | ||
| 45 | Thomas Rea | 52.48 | 8 | B: 48.29 (+4.19s | 8.0%) | Redding Swim Club | 11/22/2025 | Thankswimming Classic 2025 | ||
| 46 | 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 | ||
| 47 | Miles Wood | 53.28 | 7 | B: 48.29 (+4.99s | 9.4%) | Dart Swimming | 10/28/2023 | SCSC Vs DART Dual Meet | ||
| 48 | 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 | ||
| 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.