Alto Swim Club Boys 10 & under 50 M Back
These rankings show the swimmers' placement within their swim team.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 | Ethan Locke | 36.22 | 10 | AAAA Min | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | ||
| 2 | Sebastian Guevara | 40.55 | 10 | AA Min | AAA: 38.99 (+1.56s | 3.8%) | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 3 | Nicholas Liu | 40.76 | 9 | AA Min | AAA: 38.99 (+1.77s | 4.3%) | Alto Swim Club | 07/31/2025 | 2025 Long Course Far Western Championship | |
| 4 | Martin Decotigny | 41.74 | 10 | A Min | AA: 41.09 (+0.65s | 1.6%) | Alto Swim Club | 07/11/2025 | 2025 Age Group Championships | |
| 5 | Aaron Kuusela | 43.37 | 10 | BB Min | A: 43.09 (+0.28s | 0.6%) | Alto Swim Club | 06/27/2025 | Alto Summer Swelter | |
| 6 | Ishaan Karunanayake | 43.84 | 10 | BB Min | A: 43.09 (+0.75s | 1.7%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 7 | Jason Ye | 44.82 | 9 | BB Min | A: 43.09 (+1.73s | 3.9%) | Alto Swim Club | 06/27/2025 | Alto Summer Swelter | |
| 8 | Ethan Wang | 46.16 | 8 | BB Min | A: 43.09 (+3.07s | 6.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 9 | Sammuel Zhou | 46.93 | 10 | BB Min | A: 43.09 (+3.84s | 8.2%) | Alto Swim Club | 06/27/2025 | Alto Summer Swelter | |
| 10 | Daniel Platon | 47.80 | 10 | BB Min | A: 43.09 (+4.71s | 9.9%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 11 | Arthur Chen | 48.12 | 10 | BB Min | A: 43.09 (+5.03s | 10.5%) | Alto Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 12 | Arwin Safaee | 48.51 | 10 | BB Min | A: 43.09 (+5.42s | 11.2%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 13 | Jacob Chen | 48.60 | 8 | BB Min | A: 43.09 (+5.51s | 11.3%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 14 | Jamie Pan | 48.81 | 9 | BB Min | A: 43.09 (+5.72s | 11.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 15 | Leo Liao | 48.86 | 9 | BB Min | A: 43.09 (+5.77s | 11.8%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 16 | Johnathan Wang | 50.33 | 8 | B Min | BB: 49.29 (+1.04s | 2.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 17 | Oliver Liu | 50.79 | 10 | B Min | BB: 49.29 (+1.50s | 3.0%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 18 | Ahmet Okyay | 51.36 | 9 | B Min | BB: 49.29 (+2.07s | 4.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 19 | Finn Scott | 51.73 | 9 | B Min | BB: 49.29 (+2.44s | 4.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 20 | Kai Chen | 52.21 | 9 | B Min | BB: 49.29 (+2.92s | 5.6%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 21 | Amir Toleubek | 52.43 | 8 | B Min | BB: 49.29 (+3.14s | 6.0%) | Alto Swim Club | 06/07/2024 | DACA LC C B A+ Meet | |
| 22 | Luke Lim | 52.57 | 9 | B Min | BB: 49.29 (+3.28s | 6.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 23 | Jay Dai | 52.86 | 9 | B Min | BB: 49.29 (+3.57s | 6.8%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 24 | Bruce Zhang | 52.97 | 8 | B Min | BB: 49.29 (+3.68s | 6.9%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 25 | Nathan Hou | 53.05 | 9 | B Min | BB: 49.29 (+3.76s | 7.1%) | Alto Swim Club | 06/07/2024 | DACA LC C B A+ Meet | |
| 26 | Gavin Yang | 53.63 | 9 | B Min | BB: 49.29 (+4.34s | 8.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 27 | Damon Shao | 53.80 | 8 | B Min | BB: 49.29 (+4.51s | 8.4%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 28 | Zhencheng Xu | 53.96 | 9 | B Min | BB: 49.29 (+4.67s | 8.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 29 | Zaddik Fan | 54.15 | 9 | B Min | BB: 49.29 (+4.86s | 9.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 30 | Zhouhan Yang | 54.39 | 9 | B Min | BB: 49.29 (+5.10s | 9.4%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 31 | Dean Intakeha | 54.65 | 8 | B Min | BB: 49.29 (+5.36s | 9.8%) | Alto Swim Club | 05/18/2024 | Alto May Cray Invitational | |
| 32 | Noah Chiu | 54.74 | 9 | B Min | BB: 49.29 (+5.45s | 10.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 33 | Lehai Li | 55.08 | 8 | B Min | BB: 49.29 (+5.79s | 10.5%) | Alto Swim Club | 04/27/2024 | Alto Spring Jam | |
| 34 | Arthur Cahoy | 56.50 | 9 | B: 55.39 (+1.11s | 2.0%) | Palo Alto Stanford Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | ||
| 35 | Lucas Li | 56.73 | 8 | B: 55.39 (+1.34s | 2.4%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | ||
| 36 | Aiden Hu | 56.91 | 8 | B: 55.39 (+1.52s | 2.7%) | Alto Swim Club | 07/20/2024 | Alto Last Splash Invitational | ||
| 37 | Hei Chan | 57.52 | 8 | B: 55.39 (+2.13s | 3.7%) | Alto Swim Club | 04/27/2024 | Alto Spring Jam | ||
| 38 | Saul Guevara | 57.70 | 7 | B: 55.39 (+2.31s | 4.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 39 | Elliott Lee Chan Kam | 57.84 | 8 | B: 55.39 (+2.45s | 4.2%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 40 | James Tang | 58.51 | 8 | B: 55.39 (+3.12s | 5.3%) | Alto Swim Club | 06/07/2024 | DACA LC C B A+ Meet | ||
| 41 | Lawrence Lan | 59.12 | 8 | B: 55.39 (+3.73s | 6.3%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 42 | Abayan Prithviraj | 59.26 | 9 | B: 55.39 (+3.87s | 6.5%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 43 | Max Bookstein | 59.52 | 9 | B: 55.39 (+4.13s | 6.9%) | Otter Swim Club | 06/06/2025 | 2025 DACA LC CBA+ Meet | ||
| 44 | Lucas Gao | 1:03.42 | 10 | B: 55.39 (+8.03s | 12.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | ||
| 45 | Ethan Yang | 1:03.87 | 8 | B: 55.39 (+8.48s | 13.3%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | ||
| 46 | Andy Xu | 1:04.32 | 9 | B: 55.39 (+8.93s | 13.9%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | ||
| 47 | Lucas Sun | 1:04.54 | 7 | B: 55.39 (+9.15s | 14.2%) | Quicksilver Swimming | 06/24/2023 | SBA Long Course C B A+ | ||
| 48 | Aryo Sedaghat Khorasani | 1:05.02 | 8 | B: 55.39 (+9.63s | 14.8%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | ||
| 49 | Benjamin Jung | 1:06.00 | 7 | B: 55.39 (+10.61s | 16.1%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | ||
| 50 | Alex Wu | 1:06.27 | 6 | B: 55.39 (+10.88s | 16.4%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | ||
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.