Rockville Montgomery Swim Club Boys 10 & under 50 Y Breast
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 Duncan | 35.26 | 10 | AAAA Min | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | ||
| 2 | Sebastian Gash | 35.89 | 10 | AAAA Min | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | ||
| 3 | Rossi Cofield | 36.68 | 9 | AAA Min | AAAA: 36.39 (+0.29s | 0.8%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 4 | Evan Hou | 39.86 | 10 | AA Min | AAA: 38.29 (+1.57s | 3.9%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 5 | Austin Romero-Zermeno | 41.03 | 9 | A Min | AA: 40.19 (+0.84s | 2.0%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 6 | Kaleb Robinson | 41.06 | 10 | A Min | AA: 40.19 (+0.87s | 2.1%) | Rockville Montgomery Swim Club | 02/13/2026 | 39th Black History Swim Meet | |
| 7 | Zackary Gromowski | 41.22 | 9 | A Min | AA: 40.19 (+1.03s | 2.5%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 8 | Willis Wei | 41.35 | 9 | A Min | AA: 40.19 (+1.16s | 2.8%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 9 | Nicolas Bodnar | 41.42 | 8 | A Min | AA: 40.19 (+1.23s | 3.0%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 10 | Lynn Wilson | 41.79 | 8 | A Min | AA: 40.19 (+1.60s | 3.8%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 11 | Santiago Diaz | 41.83 | 9 | A Min | AA: 40.19 (+1.64s | 3.9%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 12 | Kian Bahmani | 41.90 | 10 | A Min | AA: 40.19 (+1.71s | 4.1%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 13 | Santiago Diaz | 41.91 | 9 | A Min | AA: 40.19 (+1.72s | 4.1%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 14 | Arthur Fleischman | 42.12 | 10 | BB Min | A: 42.09 (+0.03s | 0.1%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 15 | Santiago Diaz | 42.59 | 9 | BB Min | A: 42.09 (+0.50s | 1.2%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 16 | Santiago Diaz | 42.61 | 9 | BB Min | A: 42.09 (+0.52s | 1.2%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 17 | Santiago Diaz | 42.94 | 9 | BB Min | A: 42.09 (+0.85s | 2.0%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 18 | Liam Sandstrom | 43.06 | 8 | BB Min | A: 42.09 (+0.97s | 2.3%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 19 | Alexander Wu | 43.15 | 10 | BB Min | A: 42.09 (+1.06s | 2.5%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 20 | Brayden Li | 43.29 | 9 | BB Min | A: 42.09 (+1.20s | 2.8%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 21 | Brayden Herbert | 43.29 | 10 | BB Min | A: 42.09 (+1.20s | 2.8%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 22 | Everett Greenstreet | 43.73 | 9 | BB Min | A: 42.09 (+1.64s | 3.8%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 23 | Santiago Diaz | 44.16 | 9 | BB Min | A: 42.09 (+2.07s | 4.7%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 24 | Matias Venturino | 44.50 | 9 | BB Min | A: 42.09 (+2.41s | 5.4%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 25 | Grady Seeley | 44.51 | 8 | BB Min | A: 42.09 (+2.42s | 5.4%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 26 | Luke Wellen | 44.69 | 10 | BB Min | A: 42.09 (+2.60s | 5.8%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 27 | Khai Cho-Khaliq | 44.83 | 10 | BB Min | A: 42.09 (+2.74s | 6.1%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 28 | Eric Yang | 44.87 | 10 | BB Min | A: 42.09 (+2.78s | 6.2%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 29 | Matias Venturino | 45.23 | 8 | BB Min | A: 42.09 (+3.14s | 6.9%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 30 | Elliott Horng | 45.26 | 9 | BB Min | A: 42.09 (+3.17s | 7.0%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 31 | Elliott Horng | 45.43 | 9 | BB Min | A: 42.09 (+3.34s | 7.4%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 32 | Elliott Horng | 45.48 | 9 | BB Min | A: 42.09 (+3.39s | 7.5%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 33 | Matias Venturino | 45.55 | 8 | BB Min | A: 42.09 (+3.46s | 7.6%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 34 | Khai Cho-Khaliq | 45.55 | 9 | BB Min | A: 42.09 (+3.46s | 7.6%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 35 | Ashton Cofield | 45.56 | 7 | BB Min | A: 42.09 (+3.47s | 7.6%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 36 | Matias Venturino | 45.62 | 9 | BB Min | A: 42.09 (+3.53s | 7.7%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 37 | Kyle Teng | 45.68 | 8 | BB Min | A: 42.09 (+3.59s | 7.9%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 38 | Wallace Hardy | 45.72 | 9 | BB Min | A: 42.09 (+3.63s | 7.9%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 39 | Khai Cho-Khaliq | 45.75 | 9 | BB Min | A: 42.09 (+3.66s | 8.0%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 40 | Matias Venturino | 45.86 | 9 | BB Min | A: 42.09 (+3.77s | 8.2%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 41 | Lucas Abey | 46.27 | 8 | BB Min | A: 42.09 (+4.18s | 9.0%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 42 | Khai Cho-Khaliq | 46.48 | 9 | BB Min | A: 42.09 (+4.39s | 9.4%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 43 | Charles Seaman | 46.49 | 9 | BB Min | A: 42.09 (+4.40s | 9.5%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 44 | Adrian Feng | 46.78 | 9 | BB Min | A: 42.09 (+4.69s | 10.0%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 45 | Aleksandr Schensnovich | 47.03 | 8 | BB Min | A: 42.09 (+4.94s | 10.5%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 46 | Mikhail Schensnovich | 47.43 | 10 | BB Min | A: 42.09 (+5.34s | 11.3%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 47 | Matthew Monroe | 47.48 | 10 | BB Min | A: 42.09 (+5.39s | 11.4%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 48 | Ryan Sanders | 47.64 | 9 | BB Min | A: 42.09 (+5.55s | 11.6%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 49 | Bryan Xia | 47.71 | 7 | B Min | BB: 47.69 (+0.02s | 0.0%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 50 | William Ehrstein | 47.71 | 9 | B Min | BB: 47.69 (+0.02s | 0.0%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
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.