Rockville Montgomery Swim Club Boys 10 & under 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 101 | Aaron Vainshtein | 44.71 | 10 | B Min | BB: 42.89 (+1.82s | 4.1%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 102 | Adrian Tong | 44.82 | 9 | B Min | BB: 42.89 (+1.93s | 4.3%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 103 | Martin Zhang | 44.96 | 8 | B Min | BB: 42.89 (+2.07s | 4.6%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 104 | Khai Cho-Khaliq | 45.00 | 9 | B Min | BB: 42.89 (+2.11s | 4.7%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 105 | Nathan Chen | 45.01 | 9 | B Min | BB: 42.89 (+2.12s | 4.7%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 106 | Aaron Vainshtein | 45.03 | 9 | B Min | BB: 42.89 (+2.14s | 4.8%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 107 | Kyle Teng | 45.09 | 8 | B Min | BB: 42.89 (+2.20s | 4.9%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 108 | Steven Luo | 45.09 | 9 | B Min | BB: 42.89 (+2.20s | 4.9%) | Rockville Montgomery Swim Club | 12/11/2025 | 2025 Riley Eaton Holiday Invitational | |
| 109 | Lucas Chen | 45.26 | 9 | B Min | BB: 42.89 (+2.37s | 5.2%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 110 | Raymond Mosley | 45.42 | 10 | B Min | BB: 42.89 (+2.53s | 5.6%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 111 | Matthew Chen | 45.46 | 9 | B Min | BB: 42.89 (+2.57s | 5.7%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 112 | Isaac Printup | 45.49 | 9 | B Min | BB: 42.89 (+2.60s | 5.7%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 113 | Emerson Mallick | 45.49 | 9 | B Min | BB: 42.89 (+2.60s | 5.7%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 114 | Bryce Lemos | 45.57 | 8 | B Min | BB: 42.89 (+2.68s | 5.9%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 115 | Jordan Kolb | 45.63 | 8 | B Min | BB: 42.89 (+2.74s | 6.0%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 116 | Eric Yang | 45.80 | 10 | B Min | BB: 42.89 (+2.91s | 6.4%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 117 | Thomas Lam | 45.82 | 8 | B Min | BB: 42.89 (+2.93s | 6.4%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 118 | Charles Sutton | 45.90 | 9 | B Min | BB: 42.89 (+3.01s | 6.6%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 119 | Grant Levenson | 45.91 | 10 | B Min | BB: 42.89 (+3.02s | 6.6%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 120 | Brady Burnsky | 45.94 | 7 | B Min | BB: 42.89 (+3.05s | 6.6%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 121 | Max Bai | 45.97 | 8 | B Min | BB: 42.89 (+3.08s | 6.7%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 122 | Charles Seaman | 46.02 | 9 | B Min | BB: 42.89 (+3.13s | 6.8%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 123 | Nicholas Xiao | 46.16 | 10 | B Min | BB: 42.89 (+3.27s | 7.1%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 124 | Nazar El Baltimy | 46.25 | 10 | B Min | BB: 42.89 (+3.36s | 7.3%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 125 | Tyler Smith | 46.26 | 8 | B Min | BB: 42.89 (+3.37s | 7.3%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 126 | Eric Wei | 46.28 | 9 | B Min | BB: 42.89 (+3.39s | 7.3%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | |
| 127 | Eric Wei | 46.29 | 9 | B Min | BB: 42.89 (+3.40s | 7.3%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 128 | Xander Yun-Choi | 46.29 | 6 | B Min | BB: 42.89 (+3.40s | 7.3%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 129 | Isaiah Harvey | 46.33 | 9 | B Min | BB: 42.89 (+3.44s | 7.4%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | |
| 130 | Xavier Lacson | 46.34 | 10 | B Min | BB: 42.89 (+3.45s | 7.4%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 131 | Terrence Li | 46.41 | 7 | B Min | BB: 42.89 (+3.52s | 7.6%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | |
| 132 | Owen Zhu | 46.46 | 9 | B Min | BB: 42.89 (+3.57s | 7.7%) | Rockville Montgomery Swim Club | 02/20/2026 | 2026 RMSC February Invitational | |
| 133 | Brian Rios | 46.66 | 9 | B Min | BB: 42.89 (+3.77s | 8.1%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 134 | Eason He | 46.95 | 9 | B Min | BB: 42.89 (+4.06s | 8.6%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 135 | Jackson Francis | 47.07 | 9 | B Min | BB: 42.89 (+4.18s | 8.9%) | Rockville Montgomery Swim Club | 11/14/2025 | 2025 RMSC November Dual Meet | |
| 136 | Matthew Chen | 47.19 | 9 | B Min | BB: 42.89 (+4.30s | 9.1%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 137 | Artin Dolatabadi | 47.37 | 9 | B Min | BB: 42.89 (+4.48s | 9.5%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 138 | Owen Jiao | 47.39 | 9 | B Min | BB: 42.89 (+4.50s | 9.5%) | Rockville Montgomery Swim Club | 12/05/2025 | 2025 Christmas Championships | |
| 139 | Thomas Lam | 47.41 | 8 | B Min | BB: 42.89 (+4.52s | 9.5%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | |
| 140 | Heriakos Nikodimos | 47.46 | 8 | B Min | BB: 42.89 (+4.57s | 9.6%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | |
| 141 | Yuvan Immaneni | 47.55 | 9 | B Min | BB: 42.89 (+4.66s | 9.8%) | Rockville Montgomery Swim Club | 03/20/2026 | 2026 RMSC Spring Finale | |
| 142 | Owen Zhu | 47.76 | 9 | B Min | BB: 42.89 (+4.87s | 10.2%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | |
| 143 | Heriakos Nikodimos | 48.36 | 8 | B: 48.29 (+0.07s | 0.1%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | ||
| 144 | Alex Wang | 48.47 | 10 | B: 48.29 (+0.18s | 0.4%) | Rockville Montgomery Swim Club | 12/04/2025 | 2025 PV Turkey Claus Showdown | ||
| 145 | Kai Fu | 48.51 | 9 | B: 48.29 (+0.22s | 0.5%) | Rockville Montgomery Swim Club | 10/17/2025 | 2025 RMSC October Kick Off Classic | ||
| 146 | Thomas Lam | 48.55 | 8 | B: 48.29 (+0.26s | 0.5%) | Rockville Montgomery Swim Club | 11/08/2025 | 2025 Autumn Mini Meet | ||
| 147 | Nathaniel Leong | 48.60 | 9 | B: 48.29 (+0.31s | 0.6%) | Rockville Montgomery Swim Club | 01/16/2026 | 2026 RMSC January Intrasquad Meet | ||
| 148 | Heriakos Nikodimos | 48.68 | 8 | B: 48.29 (+0.39s | 0.8%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini Meet | ||
| 149 | Jayden Han | 48.78 | 8 | B: 48.29 (+0.49s | 1.0%) | Rockville Montgomery Swim Club | 12/06/2025 | 2025 Reindeer Mini Meet | ||
| 150 | Andrew Baxter | 48.83 | 8 | B: 48.29 (+0.54s | 1.1%) | Rockville Montgomery Swim Club | 02/14/2026 | 2026 RMSC Gender Blender Mini 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.