Western Zone Zone Boys 10 & under - 50 Y Free
These rankings show the swimmers' placement within their Zone.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 | |
|---|---|---|---|---|---|---|---|---|---|
| 201 | Thomas Nguyen | 30.59 | 10 | A Min | AA: 29.89 (+0.70s | 2.3%) | Cascade Swim Club | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 202 | Nate Woodmency | 30.61 | 10 | A Min | AA: 29.89 (+0.72s | 2.4%) | Grants Pass | 02/13/2026 | 2026 OR HS 6A 7 | |
| 203 | Max Lin | 30.61 | 10 | A Min | AA: 29.89 (+0.72s | 2.4%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 204 | Koku Saddawi-Banno | 30.62 | 10 | A Min | AA: 29.89 (+0.73s | 2.4%) | Jbarracudas Swim Team | 03/21/2026 | 2026 SI CAST All Ages NTS Meet South | |
| 205 | Jozua Sugianto | 30.62 | 10 | A Min | AA: 29.89 (+0.73s | 2.4%) | California Dolphins Swim Team | 03/07/2026 | SRVA Last Chance Meet B BB+ | |
| 206 | Blake Bardenhagen | 30.63 | 10 | A Min | AA: 29.89 (+0.74s | 2.4%) | Island Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 207 | Craig Thompson | 30.63 | 10 | A Min | AA: 29.89 (+0.74s | 2.4%) | North Coast Aquatics | 07/10/2026 | 2026 SI JBST All Ages Last Chance Meet | |
| 208 | Rex Brinkerhoff | 30.65 | 5 | A Min | AA: 29.89 (+0.76s | 2.5%) | East Bay Bat Rays | 09/27/2025 | PC LAC C B BB | |
| 209 | Gareth Oldham | 30.65 | 10 | A Min | AA: 29.89 (+0.76s | 2.5%) | Castle Rock Swimming | 01/23/2026 | 2026 CO FAST Winter Open | |
| 210 | Cole Proescher | 30.67 | 10 | A Min | AA: 29.89 (+0.78s | 2.5%) | Orinda Aquatics | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 211 | Kai Kitamori | 30.70 | 10 | A Min | AA: 29.89 (+0.81s | 2.6%) | East Bay Bat Rays | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 212 | Joon Cha | 30.80 | 10 | A Min | AA: 29.89 (+0.91s | 3.0%) | Sunnyvale Swim Club | 07/25/2026 | 2026 DACA SC CBA Meet | |
| 213 | Sean Lee | 30.81 | 10 | A Min | AA: 29.89 (+0.92s | 3.0%) | Irvine Novaquatics | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 214 | Eliott Jackson | 30.83 | 10 | A Min | AA: 29.89 (+0.94s | 3.0%) | Team Eugene Aquatics | 12/12/2025 | 2025 TEAM Winter Invitational | |
| 215 | Charlie Wheeler | 30.87 | 10 | A Min | AA: 29.89 (+0.98s | 3.2%) | Longmont Swim Club | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 216 | Samuel Siegrist | 30.89 | 10 | A Min | AA: 29.89 (+1.00s | 3.2%) | North Medford | 02/13/2026 | 2026 OR HS 6A 7 | |
| 217 | Collin James | 30.92 | 10 | A Min | AA: 29.89 (+1.03s | 3.3%) | West Linn | 02/15/2025 | 2025 OR HS 6A 5 | |
| 218 | Jason Yin | 30.92 | 9 | A Min | AA: 29.89 (+1.03s | 3.3%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 219 | Muyang He | 30.95 | 10 | A Min | AA: 29.89 (+1.06s | 3.4%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | |
| 220 | Atticus Moreno | 30.97 | 10 | A Min | AA: 29.89 (+1.08s | 3.5%) | CAPITAL HIGH SCHOOL | 01/10/2026 | 2026 Kentridge High School Invitational Obse | |
| 221 | Adam Ma | 30.98 | 10 | A Min | AA: 29.89 (+1.09s | 3.5%) | California Dolphins Swim Team | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 222 | Jackson Lee | 30.99 | 10 | A Min | AA: 29.89 (+1.10s | 3.5%) | Burlingame Aquatics | 03/28/2026 | PSL March CBA+ | |
| 223 | Henry Bresson | 31.01 | 10 | A Min | AA: 29.89 (+1.12s | 3.6%) | Chinook Aquatic Club | 02/27/2026 | 2026 PN February AGI, Division 2 Approved | |
| 224 | Owen Nguyen | 31.01 | 10 | A Min | AA: 29.89 (+1.12s | 3.6%) | Mission Viejo Nadadores | 02/13/2026 | 2026 MVN Lunar AAPI Festival | |
| 225 | Ludwik Pawelski | 31.02 | 9 | A Min | AA: 29.89 (+1.13s | 3.6%) | Sparks Piranhas Swim Team | 07/31/2026 | 2026 High Country Short Course Championship | |
| 226 | Tatsumasa Sekine | 31.03 | 9 | A Min | AA: 29.89 (+1.14s | 3.7%) | Santa Clara Swim Club | 03/20/2026 | SCY Spring Age Group Championships | |
| 227 | Wesley Ho | 31.04 | 10 | A Min | AA: 29.89 (+1.15s | 3.7%) | Aspire Aquatics of Colorado | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 228 | Matthew Winn | 31.05 | 9 | A Min | AA: 29.89 (+1.16s | 3.7%) | Stingray Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 229 | Liam Reyes | 31.06 | 10 | A Min | AA: 29.89 (+1.17s | 3.8%) | Reno Aquatic Club | 07/31/2026 | 2026 High Country Short Course Championship | |
| 230 | Ozzy Su | 31.06 | 10 | A Min | AA: 29.89 (+1.17s | 3.8%) | Quicksilver Swimming | 02/21/2026 | Pacific Swimming 10 U SCY Championship | |
| 231 | Carson Yin | 31.06 | 10 | A Min | AA: 29.89 (+1.17s | 3.8%) | Tualatin Hills Swim Club | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 232 | Marcus Nguyen | 31.10 | 10 | BB Min | A: 31.09 (+0.01s | 0.0%) | Adrienne C Nelson | 02/15/2025 | 2025 OR HS 6a 4 | |
| 233 | Vincent Welter | 31.10 | 10 | BB Min | A: 31.09 (+0.01s | 0.0%) | Corvallis | 01/18/2025 | Rumbaugh 2025 | |
| 234 | Adrien Reyes | 31.13 | 10 | BB Min | A: 31.09 (+0.04s | 0.1%) | Clackamas | 02/13/2026 | 2026 OR HS 6A 4 | |
| 235 | Yupeng Wang | 31.13 | 10 | BB Min | A: 31.09 (+0.04s | 0.1%) | Monterey Park Manta Rays | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 236 | Paxton Marvray | 31.14 | 10 | BB Min | A: 31.09 (+0.05s | 0.2%) | Sawtooth Aquatic Club | 12/04/2025 | 2025 Holiday Swim Festival | |
| 237 | Leo Liao | 31.19 | 10 | BB Min | A: 31.09 (+0.10s | 0.3%) | Alto Swim Club | 03/28/2026 | Alto Rock The Blocks Invitational 2026 | |
| 238 | Brian Chou | 31.20 | 9 | BB Min | A: 31.09 (+0.11s | 0.4%) | Irvine Novaquatics | 12/12/2025 | 2025 CA SCS SCAT WAG | |
| 239 | Larkin Stevens | 31.20 | 10 | BB Min | A: 31.09 (+0.11s | 0.4%) | Mission Aurora Colorado Swimmi | 03/14/2025 | 2025 CO NJ Mile High Championships | |
| 240 | Dillan Quarrey | 31.21 | 9 | BB Min | A: 31.09 (+0.12s | 0.4%) | West Linn | 02/13/2026 | 2026 OR HS 6A 5 | |
| 241 | Parker Sampson | 31.22 | 10 | BB Min | A: 31.09 (+0.13s | 0.4%) | Denver Swim Academy | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 242 | Ashwin Tiwari | 31.22 | 9 | BB Min | A: 31.09 (+0.13s | 0.4%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 NW Region Age Group Champs Approved | |
| 243 | Henry Sundberg | 31.22 | 8 | BB Min | A: 31.09 (+0.13s | 0.4%) | Unattached | 07/10/2026 | Redwood Empire Swim League Championship | |
| 244 | Luka McGrath | 31.23 | 10 | BB Min | A: 31.09 (+0.14s | 0.4%) | Multnomah Athletic Club | 01/23/2026 | 2026 TTSC Winter Qualifier | |
| 245 | Rory Blum | 31.24 | 9 | BB Min | A: 31.09 (+0.15s | 0.5%) | Clearfireld Cuda Aquatic Team | 02/13/2026 | 2026 OR HS 6A 4 | |
| 246 | Elijah Hutagalung | 31.24 | 10 | BB Min | A: 31.09 (+0.15s | 0.5%) | Aspire Aquatics of Colorado | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 247 | Jaezyn Magnaye | 31.26 | 10 | BB Min | A: 31.09 (+0.17s | 0.5%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 248 | Gairen Bean | 31.28 | 10 | BB Min | A: 31.09 (+0.19s | 0.6%) | South Bay Aquatics | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 249 | Mason Sovich | 31.29 | 9 | BB Min | A: 31.09 (+0.20s | 0.6%) | Olympic Cascade Aquatics | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 250 | Jaxon Despain | 31.30 | 9 | BB Min | A: 31.09 (+0.21s | 0.7%) | Denver Swim Academy | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
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.