Waterloo Swimming 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 | Zachary Zeng | 38.01 | 10 | AAA Min | AAAA: 36.99 (+1.02s | 2.7%) | Waterloo Swimming | 06/19/2026 | 2026 ST ASC Firecracker | |
| 2 | Leon Yan | 41.62 | 9 | A Min | AA: 41.09 (+0.53s | 1.3%) | Waterloo Swimming | 07/09/2026 | 2026 ST NIST LC STAGS | |
| 3 | Dean Chou | 42.37 | 9 | A Min | AA: 41.09 (+1.28s | 3.0%) | Capital Area Aquatics | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 4 | Austin Xue | 43.73 | 10 | BB Min | A: 43.09 (+0.64s | 1.5%) | Waterloo Swimming | 07/16/2025 | 2025 Texas Age Group Championships | |
| 5 | Adam Jiang | 43.76 | 10 | BB Min | A: 43.09 (+0.67s | 1.5%) | Waterloo Swimming | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 6 | Jonas Inscoe | 44.65 | 9 | BB Min | A: 43.09 (+1.56s | 3.5%) | Waterloo Swimming | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 7 | Lucas Ding | 45.00 | 9 | BB Min | A: 43.09 (+1.91s | 4.2%) | Waterloo Swimming | 05/22/2026 | 2026 ST ASC Spring Showcase | |
| 8 | Kyu Bae | 47.14 | 9 | BB Min | A: 43.09 (+4.05s | 8.6%) | Waterloo Swimming | 05/08/2026 | 2026 ST ASC Cinco De Mayo | |
| 9 | Evan Xia | 47.75 | 9 | BB Min | A: 43.09 (+4.66s | 9.8%) | Nitro Swimming | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 10 | Shu-Cyuan Li | 47.82 | 9 | BB Min | A: 43.09 (+4.73s | 9.9%) | Waterloo Swimming | 05/22/2026 | 2026 ST ASC Spring Showcase | |
| 11 | Jack Griego | 49.62 | 9 | B Min | BB: 49.29 (+0.33s | 0.7%) | Waterloo Swimming | 06/22/2025 | 2025 ST WLOO LC Last Chance | |
| 12 | Collin Yang | 49.70 | 10 | B Min | BB: 49.29 (+0.41s | 0.8%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | |
| 13 | Edward Miles | 50.56 | 9 | B Min | BB: 49.29 (+1.27s | 2.5%) | Waterloo Swimming | 04/19/2026 | 2026 ST WLOO Classic | |
| 14 | William Chen | 50.95 | 10 | B Min | BB: 49.29 (+1.66s | 3.3%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | |
| 15 | Robert Miles | 51.28 | 8 | B Min | BB: 49.29 (+1.99s | 3.9%) | Waterloo Swimming | 04/19/2026 | 2026 ST WLOO Classic | |
| 16 | Cristian Gonzalez Castillo | 52.06 | 9 | B Min | BB: 49.29 (+2.77s | 5.3%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | |
| 17 | Benjamin Liang | 52.87 | 10 | B Min | BB: 49.29 (+3.58s | 6.8%) | Waterloo Swimming | 06/26/2026 | 2026 NEAT Long Course STX Championship | |
| 18 | Tharit Hughes | 53.28 | 10 | B Min | BB: 49.29 (+3.99s | 7.5%) | Waterloo Swimming | 05/08/2026 | 2026 ST ASC Cinco De Mayo | |
| 19 | Cristobal Arata | 53.87 | 9 | B Min | BB: 49.29 (+4.58s | 8.5%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | |
| 20 | Jeongdam Kong | 54.03 | 10 | B Min | BB: 49.29 (+4.74s | 8.8%) | Waterloo Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | |
| 21 | Yoonwoo Hwang | 55.07 | 8 | B Min | BB: 49.29 (+5.78s | 10.5%) | Waterloo Swimming | 05/08/2026 | 2026 ST ASC Cinco De Mayo | |
| 22 | Jace Flores | 55.60 | 10 | B: 55.39 (+0.21s | 0.4%) | Waterloo Swimming | 06/06/2026 | 2026 ST ASC June Bug | ||
| 23 | Kevin Lee | 56.06 | 9 | B: 55.39 (+0.67s | 1.2%) | Waterloo Swimming | 04/19/2026 | 2026 ST WLOO Classic | ||
| 24 | Alexander Yu | 56.86 | 7 | B: 55.39 (+1.47s | 2.6%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | ||
| 25 | Owen Knien | 56.98 | 9 | B: 55.39 (+1.59s | 2.8%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | ||
| 26 | Vivaan Palit | 57.31 | 10 | B: 55.39 (+1.92s | 3.4%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | ||
| 27 | Jason Gu | 57.97 | 9 | B: 55.39 (+2.58s | 4.5%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | ||
| 28 | Jaime Parra III | 58.47 | 9 | B: 55.39 (+3.08s | 5.3%) | Waterloo Swimming | 04/18/2026 | 2026 ST ASC LC Kickoff | ||
| 29 | Jeonghoo Kong | 1:01.26 | 10 | B: 55.39 (+5.87s | 9.6%) | Waterloo Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | ||
| 30 | Jordan Showers | 1:02.22 | 8 | B: 55.39 (+6.83s | 11.0%) | Waterloo Swimming | 04/19/2026 | 2026 ST WLOO Classic | ||
| 31 | Shulang Lei | 1:02.42 | 7 | B: 55.39 (+7.03s | 11.3%) | Waterloo Swimming | 06/14/2026 | 2026 ST WLOO Last Chance | ||
| 32 | Aston Rodrigues | 1:02.90 | 8 | B: 55.39 (+7.51s | 11.9%) | Waterloo Swimming | 05/10/2026 | 2026 ST TXLA 10 U End Of School Splash | ||
| 33 | Dhruv Chakravarthy | 1:03.80 | 9 | B: 55.39 (+8.41s | 13.2%) | Waterloo Swimming | 04/18/2026 | 2026 ST ASC LC Kickoff | ||
| 34 | Benji Mendoza | 1:04.98 | 8 | B: 55.39 (+9.59s | 14.8%) | Waterloo Swimming | 06/06/2026 | 2026 ST ASC June Bug | ||
| 35 | Ethan Zou | 1:05.04 | 7 | B: 55.39 (+9.65s | 14.8%) | Waterloo Swimming | 04/19/2026 | 2026 ST WLOO Classic | ||
| 36 | Agastya Tumbe | 1:06.51 | 9 | B: 55.39 (+11.12s | 16.7%) | Waterloo Swimming | 04/19/2026 | 2026 ST WLOO Classic | ||
| 37 | Alexander Ziarnik | 1:10.07 | 8 | B: 55.39 (+14.68s | 21.0%) | Nitro Swimming | 06/08/2025 | 2025 ST TXLA 14 U Sprint Cup | ||
| 38 | Maximino Bonilla | 1:12.15 | 10 | B: 55.39 (+16.76s | 23.2%) | Waterloo Swimming | 04/27/2025 | 2025 ST WLOO Waterloo Classic | ||
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.