Pacific Northwest Swimming Boys 10 & under - 50 M 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 | Makai Hapoff | 52.00 | 10 | BB Min | A: 47.89 (+4.11s | 7.9%) | Port Angeles Swim Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 52 | Guilherme Sposito | 52.06 | 8 | BB Min | A: 47.89 (+4.17s | 8.0%) | Bellevue Club Swim Team | 07/14/2023 | 2023 PN Age Group Seattle OPEN [RESULTS] | |
| 53 | David Zhang | 52.24 | 10 | BB Min | A: 47.89 (+4.35s | 8.3%) | Pacific Dragons Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 54 | Ethan Fu | 52.54 | 9 | BB Min | A: 47.89 (+4.65s | 8.9%) | Olympic Cascade Aquatics | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 55 | Maximilian Schrepfer | 52.57 | 10 | BB Min | A: 47.89 (+4.68s | 8.9%) | Wave Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 56 | Saien Wu | 52.70 | 9 | BB Min | A: 47.89 (+4.81s | 9.1%) | Bellevue Club Swim Team | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 57 | Henry Bresson | 52.76 | 9 | BB Min | A: 47.89 (+4.87s | 9.2%) | Chinook Aquatic Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 58 | Peter Hofman | 52.95 | 9 | BB Min | A: 47.89 (+5.06s | 9.6%) | Cascade Swim Club | 06/20/2025 | 2025 IE VS Starlight Open | |
| 59 | Ali Abolfadl | 53.06 | 8 | BB Min | A: 47.89 (+5.17s | 9.7%) | Olympic Cascade Aquatics | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 60 | Yanbo LI | 53.13 | 8 | BB Min | A: 47.89 (+5.24s | 9.9%) | Seattle Metropolitan Aquatic C | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 61 | Jayden Huang | 53.17 | 9 | BB Min | A: 47.89 (+5.28s | 9.9%) | Harbor Aquatics Club | 05/02/2025 | 2025 PN BC May Flowers | |
| 62 | Kasra Chitsaz | 53.31 | 10 | BB Min | A: 47.89 (+5.42s | 10.2%) | Pro Swimming | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 63 | Weston Weishaar | 53.37 | 10 | BB Min | A: 47.89 (+5.48s | 10.3%) | Skagit Valley YMCA Tritons | 06/20/2025 | 2025 IE VS Starlight Open | |
| 64 | Thomas Nguyen | 53.56 | 8 | BB Min | A: 47.89 (+5.67s | 10.6%) | Cascade Swim Club | 09/21/2024 | 2024 PN CSC September Shakeout [RESULTS] | |
| 65 | Yeim Jung | 53.58 | 9 | BB Min | A: 47.89 (+5.69s | 10.6%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 66 | Luke Chaikriangkrai | 53.64 | 8 | BB Min | A: 47.89 (+5.75s | 10.7%) | Pro Swimming | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 67 | Wesley Wei | 53.84 | 9 | BB Min | A: 47.89 (+5.95s | 11.1%) | Seattle Metropolitan Aquatic C | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 68 | William Bao | 53.86 | 10 | BB Min | A: 47.89 (+5.97s | 11.1%) | Issaquah Swim Team | 05/02/2025 | 2025 PN BC May Flowers | |
| 69 | Samuel Ambrose | 53.87 | 10 | BB Min | A: 47.89 (+5.98s | 11.1%) | Cascade Swim Club | 06/20/2025 | 2025 IE VS Starlight Open | |
| 70 | Mason Bailey | 53.93 | 8 | BB Min | A: 47.89 (+6.04s | 11.2%) | Puget Sound Swim Club | 07/12/2024 | 2024 PN C Age Group Seattle Open [RESULTS] | |
| 71 | Young Sun | 53.93 | 8 | BB Min | A: 47.89 (+6.04s | 11.2%) | Pro Swimming | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 72 | Nicholas Lemker | 53.99 | 10 | BB Min | A: 47.89 (+6.10s | 11.3%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 73 | Caleb Pan | 54.10 | 9 | BB Min | A: 47.89 (+6.21s | 11.5%) | West Coast Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 74 | Owen Millward | 54.11 | 10 | BB Min | A: 47.89 (+6.22s | 11.5%) | Harbor Aquatics Club | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 75 | Cody Sun | 54.19 | 10 | BB Min | A: 47.89 (+6.30s | 11.6%) | Olympic Cascade Aquatics | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 76 | Haoran Cong | 54.20 | 9 | BB Min | A: 47.89 (+6.31s | 11.6%) | Bellevue Club Swim Team | 05/02/2025 | 2025 PN BC May Flowers | |
| 77 | Belal Ahmed | 54.59 | 10 | B Min | BB: 54.39 (+0.20s | 0.4%) | Pro Swimming | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 78 | Porter Dysart | 54.66 | 10 | B Min | BB: 54.39 (+0.27s | 0.5%) | Seattle Metropolitan Aquatic C | 05/29/2025 | 2025 IE VS Apple Capital | |
| 79 | Noah Ma | 55.00 | 10 | B Min | BB: 54.39 (+0.61s | 1.1%) | Pacific Dragons Swim Team | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 80 | Nhat Tran | 55.01 | 9 | B Min | BB: 54.39 (+0.62s | 1.1%) | Olympic Cascade Aquatics | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 81 | Deniz Gokbulut | 55.03 | 9 | B Min | BB: 54.39 (+0.64s | 1.2%) | Pro Swimming | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 82 | Yangyang Xu | 55.20 | 9 | B Min | BB: 54.39 (+0.81s | 1.5%) | Pacific Dragons Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 83 | Luca Goulet | 55.20 | 9 | B Min | BB: 54.39 (+0.81s | 1.5%) | King Aquatic Club | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 84 | Boris Dombrovsky | 55.22 | 10 | B Min | BB: 54.39 (+0.83s | 1.5%) | Issaquah Swim Team | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 85 | Austin Mitchell | 55.51 | 9 | B Min | BB: 54.39 (+1.12s | 2.0%) | Valley Aquatics | 06/20/2025 | 2025 IE VS Starlight Open | |
| 86 | Mason Lee | 55.80 | 9 | B Min | BB: 54.39 (+1.41s | 2.5%) | Issaquah Swim Team | 05/02/2025 | 2025 PN BC May Flowers | |
| 87 | Liam Houchin | 55.84 | 10 | B Min | BB: 54.39 (+1.45s | 2.6%) | Issaquah Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 88 | Vincent Nan | 56.05 | 9 | B Min | BB: 54.39 (+1.66s | 3.0%) | Pacific Dragons Swim Team | 06/27/2025 | 2025 PN SMAC Summer Classic Invitational | |
| 89 | Charlie Griffin | 56.21 | 10 | B Min | BB: 54.39 (+1.82s | 3.2%) | Issaquah Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
| 90 | Alexander Bouianov | 56.24 | 10 | B Min | BB: 54.39 (+1.85s | 3.3%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 91 | Leo Gazzard | 56.36 | 8 | B Min | BB: 54.39 (+1.97s | 3.5%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 92 | Chandler Diaz | 56.36 | 10 | B Min | BB: 54.39 (+1.97s | 3.5%) | Ohana Swim Team | 05/24/2025 | 49th Annual Coach Soichi Sakamoto Inv | |
| 93 | Raihan Echevarria | 56.40 | 9 | B Min | BB: 54.39 (+2.01s | 3.6%) | Bellevue Club Swim Team | 05/03/2024 | 2024 PN BC May Flowers- LC A-2 [RESULTS] | |
| 94 | Castle Cline | 56.41 | 9 | B Min | BB: 54.39 (+2.02s | 3.6%) | Seattle Metropolitan Aquatic C | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 95 | Francis Wang | 56.42 | 8 | B Min | BB: 54.39 (+2.03s | 3.6%) | West Coast Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 96 | Alexander Zhurid | 56.49 | 7 | B Min | BB: 54.39 (+2.10s | 3.7%) | Bellevue Club Swim Team | 05/02/2025 | 2025 PN BC May Flowers | |
| 97 | Jayke Hung | 56.53 | 9 | B Min | BB: 54.39 (+2.14s | 3.8%) | Bellevue Club Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
| 98 | Lucas Shamshurin | 56.72 | 10 | B Min | BB: 54.39 (+2.33s | 4.1%) | Bellevue Club Swim Team | 07/24/2025 | 2025 PN LC 12 U Championships | |
| 99 | Tyrese Cox | 56.86 | 10 | B Min | BB: 54.39 (+2.47s | 4.3%) | Cascade Swim Club | 06/20/2025 | 2025 IE VS Starlight Open | |
| 100 | Ryley Robinson | 57.05 | 10 | B Min | BB: 54.39 (+2.66s | 4.7%) | Bellevue Club Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
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.