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 | 35.68 | 9 | AAAA Min | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | ||
| 2 | Lucas Qi | 37.13 | 10 | AAA Min | AAAA: 36.39 (+0.74s | 2.0%) | Tac Titans | 01/16/2026 | 2026 Vector Security Polar Plunge Meet | |
| 3 | Rossi Cofield | 37.42 | 9 | AAA Min | AAAA: 36.39 (+1.03s | 2.8%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 4 | Nathan Purifoy | 38.43 | 10 | AA Min | AAA: 38.29 (+0.14s | 0.4%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 5 | 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 | |
| 6 | Sebastian Gash | 39.14 | 9 | AA Min | AAA: 38.29 (+0.85s | 2.2%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 7 | Yoshua Castro | 39.26 | 10 | AA Min | AAA: 38.29 (+0.97s | 2.5%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 8 | Nolan Hoang | 39.28 | 10 | AA Min | AAA: 38.29 (+0.99s | 2.5%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 9 | 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 | |
| 10 | Evan Hou | 39.86 | 9 | AA Min | AAA: 38.29 (+1.57s | 3.9%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 11 | 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 | |
| 12 | Gavin Floyd | 40.62 | 10 | A Min | AA: 40.19 (+0.43s | 1.1%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 13 | Lucas Jain | 40.99 | 10 | A Min | AA: 40.19 (+0.80s | 2.0%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 14 | Zackary Gromowski | 41.26 | 9 | A Min | AA: 40.19 (+1.07s | 2.6%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 15 | Connor Woo | 41.63 | 10 | A Min | AA: 40.19 (+1.44s | 3.5%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 16 | 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 | |
| 17 | Nicolas Bodnar | 41.76 | 8 | A Min | AA: 40.19 (+1.57s | 3.8%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 18 | Kian Bahmani | 41.90 | 9 | A Min | AA: 40.19 (+1.71s | 4.1%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 19 | Willis Wei | 42.00 | 9 | A Min | AA: 40.19 (+1.81s | 4.3%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 20 | Austin Romero-Zermeno | 42.08 | 8 | A Min | AA: 40.19 (+1.89s | 4.5%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 21 | Arthur Fleischman | 42.12 | 9 | BB Min | A: 42.09 (+0.03s | 0.1%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 22 | Kaleb Robinson | 42.14 | 9 | BB Min | A: 42.09 (+0.05s | 0.1%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 23 | Griffin Nhu | 42.18 | 10 | BB Min | A: 42.09 (+0.09s | 0.2%) | Rockville Montgomery Swim Club | 11/01/2025 | 2025 RMSC Autumn 350 Challenge Meet | |
| 24 | Nathan Mellott | 42.28 | 10 | BB Min | A: 42.09 (+0.19s | 0.4%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 25 | 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 | |
| 26 | 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 | |
| 27 | 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 | |
| 28 | 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 | |
| 29 | Ivan Bityutskiy | 43.47 | 10 | BB Min | A: 42.09 (+1.38s | 3.2%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 30 | Alexander Wu | 43.53 | 9 | BB Min | A: 42.09 (+1.44s | 3.3%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 31 | Augustus Tejada | 43.68 | 10 | BB Min | A: 42.09 (+1.59s | 3.6%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 32 | Lynn Wilson | 43.95 | 8 | BB Min | A: 42.09 (+1.86s | 4.2%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 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 | Sebastian Garcia | 44.43 | 10 | BB Min | A: 42.09 (+2.34s | 5.3%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 35 | 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 | |
| 36 | Everett Greenstreet | 44.57 | 9 | BB Min | A: 42.09 (+2.48s | 5.6%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 37 | Eric Yang | 45.01 | 10 | BB Min | A: 42.09 (+2.92s | 6.5%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 38 | 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 | |
| 39 | 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 | |
| 40 | 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 | |
| 41 | Mason Chen | 45.47 | 10 | BB Min | A: 42.09 (+3.38s | 7.4%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 42 | 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 | |
| 43 | 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 | |
| 44 | 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 | |
| 45 | Nicolas Grant | 45.89 | 10 | BB Min | A: 42.09 (+3.80s | 8.3%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 46 | Wallace Hardy | 45.93 | 9 | BB Min | A: 42.09 (+3.84s | 8.4%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 47 | Brayden Li | 46.10 | 9 | BB Min | A: 42.09 (+4.01s | 8.7%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 48 | Max Be | 46.11 | 10 | BB Min | A: 42.09 (+4.02s | 8.7%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 49 | 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 | |
| 50 | Jonathan Short | 46.59 | 10 | BB Min | A: 42.09 (+4.50s | 9.7%) | 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.