Western Zone Zone Boys 10 & under - 50 M Back
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 251 | Henry Reed | 43.94 | 9 | BB Min | A: 43.09 (+0.85s | 1.9%) | Excel Aquatics | 04/24/2026 | 2026 Strong Tower Invite | |
| 252 | Kai Mihov | 43.94 | 10 | BB Min | A: 43.09 (+0.85s | 1.9%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 253 | Nathan Gordon | 43.96 | 10 | BB Min | A: 43.09 (+0.87s | 2.0%) | Irvine Novaquatics | 06/12/2025 | 2025 June Age Group Invite | |
| 254 | Grigorii Vasilenko | 43.97 | 9 | BB Min | A: 43.09 (+0.88s | 2.0%) | Legacy Aquatics | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 255 | Adam Ellingwood | 43.99 | 10 | BB Min | A: 43.09 (+0.90s | 2.0%) | Pleasanton Seahawks | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 256 | Michael Kirkendall | 44.00 | 10 | BB Min | A: 43.09 (+0.91s | 2.1%) | Buenaventura Swim Club | 06/11/2026 | 2026 SCS June AG Invite | |
| 257 | Elijah Hutagalung | 44.04 | 10 | BB Min | A: 43.09 (+0.95s | 2.2%) | Aspire Aquatics of Colorado | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 258 | Ryan Li | 44.07 | 10 | BB Min | A: 43.09 (+0.98s | 2.2%) | Trident Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 259 | Leo Gazzard | 44.08 | 9 | BB Min | A: 43.09 (+0.99s | 2.2%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 260 | Raizo Copp | 44.09 | 10 | BB Min | A: 43.09 (+1.00s | 2.3%) | King Aquatic Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 261 | Ashwin Tiwari | 44.09 | 9 | BB Min | A: 43.09 (+1.00s | 2.3%) | Olympic Cascade Aquatics | 05/29/2026 | 2026 TRI CITY INVITATIONAL | |
| 262 | Noah Gaal | 44.11 | 9 | BB Min | A: 43.09 (+1.02s | 2.3%) | Aces Swim Club | 05/15/2026 | 2026 CO ACES Spring Invite | |
| 263 | Mateo Franco-Abeyta | 44.11 | 10 | BB Min | A: 43.09 (+1.02s | 2.3%) | Star | 06/05/2026 | 2026 COSA Long Couse Open | |
| 264 | Alex Tang | 44.11 | 10 | BB Min | A: 43.09 (+1.02s | 2.3%) | Aquazot Swim Club | 06/12/2025 | 2025 SCS June AG Invite @ La Mirada Armada | |
| 265 | Ethan Wu | 44.12 | 9 | BB Min | A: 43.09 (+1.03s | 2.3%) | Swim Torrance | 06/12/2025 | 2025 June Age Group Invite | |
| 266 | Remington Jones | 44.13 | 8 | BB Min | A: 43.09 (+1.04s | 2.4%) | Sandpipers of Nevada | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 267 | James Tyrrell | 44.14 | 9 | BB Min | A: 43.09 (+1.05s | 2.4%) | Capital City Athletics | 05/29/2026 | 2026 CO Barracuda Summer Sizzler Invite | |
| 268 | Cole Cadiz | 44.15 | 10 | BB Min | A: 43.09 (+1.06s | 2.4%) | North Coast Aquatics | 04/24/2026 | 2026 SI PS ABB Meet B Group | |
| 269 | Matthew Ko | 44.15 | 10 | BB Min | A: 43.09 (+1.06s | 2.4%) | Aspire Aquatics of Colorado | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 270 | Mahkoah Tanap | 44.15 | 10 | BB Min | A: 43.09 (+1.06s | 2.4%) | Paseo Aquatics Swim Team | 07/23/2025 | 2025 CA SCS Summer A G Champs | |
| 271 | Jason Wang | 44.18 | 10 | BB Min | A: 43.09 (+1.09s | 2.5%) | Bellingham Bay Swim Team | 06/19/2026 | 2026 IE VS Starlight Open (USAS) | |
| 272 | Cyrus Yang | 44.19 | 10 | BB Min | A: 43.09 (+1.10s | 2.5%) | Quicksilver Swimming | 06/11/2026 | 2026 SCS June AG Invite | |
| 273 | Aiden Mulcahy | 44.21 | 10 | BB Min | A: 43.09 (+1.12s | 2.5%) | Aulea Swim Club | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 274 | Jonathan Nguyen | 44.21 | 10 | BB Min | A: 43.09 (+1.12s | 2.5%) | Sandpipers of Nevada | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 275 | Cameron Day | 44.22 | 10 | BB Min | A: 43.09 (+1.13s | 2.6%) | Mission Viejo Nadadores | 06/11/2026 | 2026 SCS June AG Invite | |
| 276 | Reagan Wilsey | 44.22 | 10 | BB Min | A: 43.09 (+1.13s | 2.6%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 277 | Easton Fairbank | 44.24 | 8 | BB Min | A: 43.09 (+1.15s | 2.6%) | Flatiron Athletic Club | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | |
| 278 | Brian Han | 44.26 | 10 | BB Min | A: 43.09 (+1.17s | 2.6%) | Dare Aquatics | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 279 | Jed El Abed | 44.28 | 10 | BB Min | A: 43.09 (+1.19s | 2.7%) | H2o Swim Team | 06/11/2026 | 2026 SCS June AG Invite CANY | |
| 280 | Bryce Alpert | 44.32 | 9 | BB Min | A: 43.09 (+1.23s | 2.8%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 281 | Jeffrey Xin | 44.32 | 8 | BB Min | A: 43.09 (+1.23s | 2.8%) | Aquazot Swim Club | 06/11/2026 | ARMADA 2026 SCS June AG Invite | |
| 282 | Jay Kowren | 44.33 | 10 | BB Min | A: 43.09 (+1.24s | 2.8%) | Bainbridge Island Swim Club | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 283 | Henry Luevano | 44.33 | 9 | BB Min | A: 43.09 (+1.24s | 2.8%) | Aces Swim Club | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | |
| 284 | Saien Wu | 44.35 | 10 | BB Min | A: 43.09 (+1.26s | 2.8%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 285 | David Grant | 44.35 | 10 | BB Min | A: 43.09 (+1.26s | 2.8%) | Fort Collins Area Swim Team | 06/05/2026 | 2026 CO FAST June Bonanza Open | |
| 286 | Samuel Hora | 44.36 | 10 | BB Min | A: 43.09 (+1.27s | 2.9%) | Montrose Marlins Swim Club | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 287 | Fletcher Sumner | 44.37 | 10 | BB Min | A: 43.09 (+1.28s | 2.9%) | Mission Aurora Colorado Swimmi | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 288 | Owen Laidlaw | 44.38 | 9 | BB Min | A: 43.09 (+1.29s | 2.9%) | Island Aquatics | 05/02/2026 | 2026 MAGSA LCM B 1 Meet | |
| 289 | Rain Liu | 44.39 | 10 | BB Min | A: 43.09 (+1.30s | 2.9%) | Rancho San Dieguito | 05/23/2026 | 2026 SI HSA A All Ages NTS May 23 24 | |
| 290 | Grant Weigle | 44.40 | 10 | BB Min | A: 43.09 (+1.31s | 3.0%) | Aces Swim Club | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 291 | Jercey Zhao | 44.41 | 10 | BB Min | A: 43.09 (+1.32s | 3.0%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 292 | Taeyul Heo | 44.41 | 10 | BB Min | A: 43.09 (+1.32s | 3.0%) | Pleasanton Seahawks | 06/20/2026 | Alto Summer Swelter | |
| 293 | Neo Perera | 44.42 | 10 | BB Min | A: 43.09 (+1.33s | 3.0%) | Los Altos Mountain View Aquati | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | |
| 294 | Daniel Schad | 44.44 | 10 | BB Min | A: 43.09 (+1.35s | 3.0%) | Maui Dolphins Swim Club | 06/13/2026 | 2026 MAGSA LCM B 2 Meet | |
| 295 | Preston Kerchusky | 44.44 | 10 | BB Min | A: 43.09 (+1.35s | 3.0%) | Boise YMCA Swim Team | 05/16/2025 | 2025 Spring Fling LC Invitational | |
| 296 | Martin Li | 44.45 | 9 | BB Min | A: 43.09 (+1.36s | 3.1%) | Wave Aquatics | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 297 | Sebastian Hartline | 44.45 | 10 | BB Min | A: 43.09 (+1.36s | 3.1%) | Multnomah Athletic Club | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 298 | David Chen | 44.46 | 10 | BB Min | A: 43.09 (+1.37s | 3.1%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 299 | Thomas Halford | 44.47 | 10 | BB Min | A: 43.09 (+1.38s | 3.1%) | Pikes Peak Athletics | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 300 | Julius Voigt | 44.50 | 10 | BB Min | A: 43.09 (+1.41s | 3.2%) | Island Aquatics | 05/23/2026 | 50th Annual Coach Soichi Sakamoto Invitationa | |
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.