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 | Yoshua Castro | 38.03 | 10 | AAA Min | AAAA: 36.39 (+1.64s | 4.3%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 5 | Nathan Purifoy | 38.43 | 10 | AA Min | AAA: 38.29 (+0.14s | 0.4%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 6 | Mason Dodd | 38.75 | 10 | AA Min | AAA: 38.29 (+0.46s | 1.2%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 7 | Zane Deshayes | 39.61 | 10 | AA Min | AAA: 38.29 (+1.32s | 3.3%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 8 | 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 | |
| 9 | Logan Steele | 40.44 | 10 | A Min | AA: 40.19 (+0.25s | 0.6%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 10 | Lucas Jain | 40.84 | 10 | A Min | AA: 40.19 (+0.65s | 1.6%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 11 | 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 | |
| 12 | 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 | |
| 13 | Connor Woo | 41.13 | 10 | A Min | AA: 40.19 (+0.94s | 2.3%) | Rockville Montgomery Swim Club | 03/12/2026 | 2026 PV SC 14 Under Championships Copied | |
| 14 | 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 | |
| 15 | 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 | |
| 16 | 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 | |
| 17 | Lucas Sharp | 41.69 | 10 | A Min | AA: 40.19 (+1.50s | 3.6%) | Rockville Montgomery Swim Club | 11/01/2025 | 2025 RMSC Autumn 350 Challenge Meet | |
| 18 | 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 | |
| 19 | 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 | |
| 20 | 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 | |
| 21 | 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 | |
| 22 | 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 | |
| 23 | Nolan Ruther | 42.41 | 10 | BB Min | A: 42.09 (+0.32s | 0.8%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 24 | 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 | |
| 25 | 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 | |
| 26 | 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 | |
| 27 | 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 | |
| 28 | 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 | |
| 29 | 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 | |
| 30 | 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 | |
| 31 | Sebastian Garcia | 43.33 | 10 | BB Min | A: 42.09 (+1.24s | 2.9%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 32 | 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 | |
| 33 | 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 | |
| 34 | 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 | |
| 35 | 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 | |
| 36 | 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 | |
| 37 | 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 | |
| 38 | 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 | |
| 39 | Max Be | 44.93 | 10 | BB Min | A: 42.09 (+2.84s | 6.3%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 40 | 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 | |
| 41 | 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 | |
| 42 | Alex Wang | 45.39 | 10 | BB Min | A: 42.09 (+3.30s | 7.3%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 43 | 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 | |
| 44 | Aidan Stringer | 45.46 | 10 | BB Min | A: 42.09 (+3.37s | 7.4%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 45 | Mason Chen | 45.47 | 10 | BB Min | A: 42.09 (+3.38s | 7.4%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 46 | 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 | |
| 47 | 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 | |
| 48 | 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 | |
| 49 | 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 | |
| 50 | 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 | |
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.