Southern California Swimming Boys 10 & under - 50 Y Breast
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 | Cameron Day | 41.82 | 9 | A Min | AA: 40.19 (+1.63s | 3.9%) | Mission Viejo Nadadores | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 52 | Jonathan Li | 42.09 | 7 | A Min | AA: 40.19 (+1.90s | 4.5%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 53 | Phillippe Choi | 42.27 | 9 | BB Min | A: 42.09 (+0.18s | 0.4%) | Blast Sharks | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 54 | Eli Lawson | 42.29 | 9 | BB Min | A: 42.09 (+0.20s | 0.5%) | Dolphin Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 55 | Connor West | 42.31 | 9 | BB Min | A: 42.09 (+0.22s | 0.5%) | The Spartans of La Canada | 03/13/2025 | 2025 SCS Spring Age Group Champs @ Armada | |
| 56 | Everett Muzzarelli | 42.57 | 7 | BB Min | A: 42.09 (+0.48s | 1.1%) | Woodbridge Swim Team | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 57 | Jensen Huang | 42.59 | 10 | BB Min | A: 42.09 (+0.50s | 1.2%) | Arcadia Riptides Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 58 | Matthew Zhu | 42.61 | 10 | BB Min | A: 42.09 (+0.52s | 1.2%) | Rose Bowl Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 59 | Mason Kim | 42.63 | 10 | BB Min | A: 42.09 (+0.54s | 1.3%) | Maywood Sparks Swim Team | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 60 | Yuning Huang | 42.70 | 9 | BB Min | A: 42.09 (+0.61s | 1.4%) | Rose Bowl Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 61 | Emilio Balcazar | 42.80 | 9 | BB Min | A: 42.09 (+0.71s | 1.7%) | Centro Acuatico Universitario | 12/19/2025 | 2025 BD Leo Cancellare Memorial Swim Meet | |
| 62 | Anderson Bradley | 42.86 | 9 | BB Min | A: 42.09 (+0.77s | 1.8%) | Coastal Machine Aquatics Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 63 | Charles Kramer | 42.87 | 10 | BB Min | A: 42.09 (+0.78s | 1.8%) | Los Angeles Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 64 | Graham Terzer | 42.92 | 9 | BB Min | A: 42.09 (+0.83s | 1.9%) | The Spartans of La Canada | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 65 | Kaimana Hashimoto | 43.01 | 9 | BB Min | A: 42.09 (+0.92s | 2.1%) | Splash Aquatics | 12/06/2025 | 45th Annual Ken Suenaga Invitational (SCY) | |
| 66 | Ashton Chen | 43.03 | 10 | BB Min | A: 42.09 (+0.94s | 2.2%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 67 | Bryan HU | 43.10 | 9 | BB Min | A: 42.09 (+1.01s | 2.3%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 68 | Brian Chou | 43.13 | 8 | BB Min | A: 42.09 (+1.04s | 2.4%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 69 | Maochen Tan | 43.17 | 10 | BB Min | A: 42.09 (+1.08s | 2.5%) | Mission Viejo Nadadores | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 70 | Harry Yoon | 43.27 | 10 | BB Min | A: 42.09 (+1.18s | 2.7%) | Canyons Aquatic Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 71 | Apollo Valdriz | 43.28 | 10 | BB Min | A: 42.09 (+1.19s | 2.7%) | Circle City Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 72 | Owen Nguyen | 43.37 | 9 | BB Min | A: 42.09 (+1.28s | 3.0%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 73 | Titus Robinson | 43.39 | 10 | BB Min | A: 42.09 (+1.30s | 3.0%) | Swim Torrance | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 74 | Kevin Zhou | 43.51 | 10 | BB Min | A: 42.09 (+1.42s | 3.3%) | Speed Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 75 | Aaron Zhao | 43.53 | 10 | BB Min | A: 42.09 (+1.44s | 3.3%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 76 | Aaron Kim | 43.57 | 9 | BB Min | A: 42.09 (+1.48s | 3.4%) | The Spartans of La Canada | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 77 | Keon Cheng | 43.67 | 10 | BB Min | A: 42.09 (+1.58s | 3.6%) | Arcadia Riptides Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 78 | Jerry Ji | 43.67 | 8 | BB Min | A: 42.09 (+1.58s | 3.6%) | Brea Aquatics | 12/13/2024 | 2024 CA RAA SCS WAG | |
| 79 | Kyle Tang | 43.68 | 8 | BB Min | A: 42.09 (+1.59s | 3.6%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 80 | Maximus Sosa | 43.68 | 10 | BB Min | A: 42.09 (+1.59s | 3.6%) | Dare Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 81 | Anderson Shi | 43.69 | 8 | BB Min | A: 42.09 (+1.60s | 3.7%) | Los Angeles Swim Club | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 82 | Tucker McCullough | 43.73 | 9 | BB Min | A: 42.09 (+1.64s | 3.8%) | Team Rebel Aquatics | 12/13/2024 | 2024 CA RAA SCS WAG | |
| 83 | Enzo Lin | 43.74 | 10 | BB Min | A: 42.09 (+1.65s | 3.8%) | Splash Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 84 | Branimir Petkov | 43.87 | 9 | BB Min | A: 42.09 (+1.78s | 4.1%) | Evolution Racing Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 85 | Mason Nguyen | 43.90 | 9 | BB Min | A: 42.09 (+1.81s | 4.1%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 86 | Aiden Chung | 44.08 | 9 | BB Min | A: 42.09 (+1.99s | 4.5%) | Patriot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 87 | Lincoln Miyake | 44.23 | 9 | BB Min | A: 42.09 (+2.14s | 4.8%) | Canyons Aquatic Club | 12/06/2025 | 2025 CA CANY Candy Cane | |
| 88 | Mark Kiselev | 44.29 | 9 | BB Min | A: 42.09 (+2.20s | 5.0%) | Royal Swim Team | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 89 | Romi Jones | 44.30 | 9 | BB Min | A: 42.09 (+2.21s | 5.0%) | Sandpipers of Nevada | 07/11/2025 | July 2025 Rock The Blocks | |
| 90 | Michael Cheng | 44.46 | 8 | BB Min | A: 42.09 (+2.37s | 5.3%) | Brea Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 91 | Cody Ho | 44.52 | 10 | BB Min | A: 42.09 (+2.43s | 5.5%) | Daland Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 92 | Zicheng Wang | 44.58 | 10 | BB Min | A: 42.09 (+2.49s | 5.6%) | Brea Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 93 | ZhenLin Zhu | 44.59 | 9 | BB Min | A: 42.09 (+2.50s | 5.6%) | Seal Beach Swim Club | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 94 | Marcus Lin | 44.61 | 8 | BB Min | A: 42.09 (+2.52s | 5.6%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 95 | Devin Song | 44.70 | 8 | BB Min | A: 42.09 (+2.61s | 5.8%) | Rose Bowl Aquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 96 | Brian Yu | 44.97 | 10 | BB Min | A: 42.09 (+2.88s | 6.4%) | Dare Aquatics | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 97 | Jimmy Chen | 45.25 | 9 | BB Min | A: 42.09 (+3.16s | 7.0%) | Monterey Park Manta Rays | 12/12/2025 | 2025 CA SCS RAA WAG | |
| 98 | William Yao | 45.27 | 9 | BB Min | A: 42.09 (+3.18s | 7.0%) | Fontana Aquatics Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 99 | Mike Semenov | 45.31 | 10 | BB Min | A: 42.09 (+3.22s | 7.1%) | Beach Cities Alpha | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 100 | Ari Mobasseri | 45.36 | 8 | BB Min | A: 42.09 (+3.27s | 7.2%) | Aquazot Swim Club | 12/12/2025 | 2025 CA SCS SCAT WAG | |
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.