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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1401 | Kainalu Rivera | 57.71 | 9 | B: 55.39 (+2.32s | 4.0%) | Hilo Aquatic Club | 05/16/2026 | BIG ISLAND SWIMMING @ KCAC | ||
| 1402 | Ethan Wei | 57.73 | 6 | B: 55.39 (+2.34s | 4.1%) | Santa Clara Swim Club | 06/20/2026 | Zone 1 South Swim Under The Stars | ||
| 1403 | Benjamin Tanner | 57.75 | 9 | B: 55.39 (+2.36s | 4.1%) | Cedar Swim Club | 07/09/2024 | 2024 CSC July Last Chance | ||
| 1404 | Leo Castiglione | 57.75 | 10 | B: 55.39 (+2.36s | 4.1%) | Pearl City Aquatics | 05/23/2026 | OSL A+ LCM Meet | ||
| 1405 | Timothy Chau | 57.76 | 8 | B: 55.39 (+2.37s | 4.1%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | ||
| 1406 | Benji Lawler | 57.76 | 10 | B: 55.39 (+2.37s | 4.1%) | Legacy Aquatics | 11/01/2025 | Oregon City Fall Open 2025 | ||
| 1407 | Tom Tihomirov | 57.76 | 7 | B: 55.39 (+2.37s | 4.1%) | Beaverton Area Aquatics Club | 05/01/2026 | 2026 THSC Spring Invite | ||
| 1408 | Reid Rector | 57.76 | 8 | B: 55.39 (+2.37s | 4.1%) | Falfins Swimming | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | ||
| 1409 | John Knudsen | 57.77 | 10 | B: 55.39 (+2.38s | 4.1%) | Puget Sound Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
| 1410 | Henry Nelligan | 57.79 | 9 | B: 55.39 (+2.40s | 4.2%) | Sparks Piranhas Swim Team | 05/23/2025 | 2025 Intermountain Classic Long Course Meet | ||
| 1411 | Owen Thompson | 57.82 | 9 | B: 55.39 (+2.43s | 4.2%) | Mighty Marlins Swim Club | 05/28/2026 | 2026 IE VS Apple Capital | ||
| 1412 | Wyatt Bradshaw | 57.83 | 9 | B: 55.39 (+2.44s | 4.2%) | Murray Aquatic Club | 08/01/2025 | 2025 LC Beehive Finale | ||
| 1413 | Truxtun Siegel | 57.85 | 8 | B: 55.39 (+2.46s | 4.3%) | Jbarracudas Swim Team | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | ||
| 1414 | Gavin Gregory | 57.85 | 10 | B: 55.39 (+2.46s | 4.3%) | Foothills Swim Team | 06/26/2026 | 2026 CO Zone 2 District Meet AAC | ||
| 1415 | Ronan Abell | 57.85 | 8 | B: 55.39 (+2.46s | 4.3%) | Manta Ray Aquatics | 07/10/2026 | 2026 Sizzlin Summer Splash Copied | ||
| 1416 | Thomas Rojas-Small | 57.89 | 8 | B: 55.39 (+2.50s | 4.3%) | Atomic Swim Club | 05/29/2026 | 2026 TRI CITY INVITATIONAL | ||
| 1417 | Grant Soder | 57.91 | 10 | B: 55.39 (+2.52s | 4.4%) | Roseburg Y Swim Team | 06/13/2026 | 2026 Mike Morris Memorial Invitational Copi | ||
| 1418 | Benjamin Fikhman | 57.91 | 8 | B: 55.39 (+2.52s | 4.4%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | ||
| 1419 | Michael Zhang-Shen | 57.94 | 9 | B: 55.39 (+2.55s | 4.4%) | Blue Dolphin Swim Team | 06/14/2025 | 2025 IST June Invtational | ||
| 1420 | Gavin Johnston | 57.95 | 10 | B: 55.39 (+2.56s | 4.4%) | Manta Ray Aquatics | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | ||
| 1421 | Anaahat Vedula | 57.95 | 10 | B: 55.39 (+2.56s | 4.4%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | ||
| 1422 | Riko Jaya | 57.97 | 8 | B: 55.39 (+2.58s | 4.5%) | YMCA Presidio Aquatics | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1423 | Oliver Woo | 57.97 | 9 | B: 55.39 (+2.58s | 4.5%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | ||
| 1424 | Emmett Baertlein | 58.02 | 10 | B: 55.39 (+2.63s | 4.5%) | Prineville Swim Team | 06/19/2026 | Prineville Invitational Swim Meet | ||
| 1425 | Ryan Rawlings | 58.02 | 8 | B: 55.39 (+2.63s | 4.5%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | ||
| 1426 | Everett Morris | 58.03 | 9 | B: 55.39 (+2.64s | 4.5%) | Kona Dolphins Swim Club | 06/06/2026 | BIG ISLAND SWIMMING @ KSH | ||
| 1427 | Simon Acuna Reyes | 58.03 | 9 | B: 55.39 (+2.64s | 4.5%) | Life Time Oregon Swim Team | 06/12/2026 | 2026 THSC June Open | ||
| 1428 | Maddox Griffin | 58.10 | 8 | B: 55.39 (+2.71s | 4.7%) | Mission Aurora Colorado Swimmi | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | ||
| 1429 | Roy Shen | 58.12 | 8 | B: 55.39 (+2.73s | 4.7%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 1430 | Marcus Kulyavtsev | 58.12 | 8 | B: 55.39 (+2.73s | 4.7%) | Vallejo Aquatic Club | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1431 | Vincent Liu | 58.13 | 7 | B: 55.39 (+2.74s | 4.7%) | Tualatin Hills Swim Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | ||
| 1432 | Hugo Hurley | 58.14 | 7 | B: 55.39 (+2.75s | 4.7%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | ||
| 1433 | Leonardo Figueroa | 58.15 | 8 | B: 55.39 (+2.76s | 4.7%) | SOL Swim Team | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | ||
| 1434 | Easton Everhart | 58.18 | 9 | B: 55.39 (+2.79s | 4.8%) | Spokane Sea Serpents | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | ||
| 1435 | Ishan Nayak | 58.19 | 10 | B: 55.39 (+2.80s | 4.8%) | Hillsboro Swim Team | 05/01/2026 | 2026 THSC Spring Invite | ||
| 1436 | Jeremy Liu | 58.20 | 10 | B: 55.39 (+2.81s | 4.8%) | Cascadia Swimming | 11/01/2025 | Oregon City Fall Open 2025 | ||
| 1437 | Holden Richards | 58.27 | 9 | B: 55.39 (+2.88s | 4.9%) | AC Swim Club | 05/30/2025 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1438 | Henry Huang | 58.29 | 9 | B: 55.39 (+2.90s | 5.0%) | Daly City Dolphins | 06/06/2025 | BAC C B A Meet | ||
| 1439 | Leo Tsui | 58.29 | 9 | B: 55.39 (+2.90s | 5.0%) | Burlingame Aquatics | 07/25/2026 | Alto Last Splash | ||
| 1440 | Eric Devison | 58.31 | 9 | B: 55.39 (+2.92s | 5.0%) | Walla Walla Swim Club | 05/16/2025 | 2025 Chris Engledow Memorial Meet | ||
| 1441 | Hayes Reinhardt | 58.31 | 9 | B: 55.39 (+2.92s | 5.0%) | Highlands Ranch Aquatics | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | ||
| 1442 | Bennett Fraser | 58.33 | 8 | B: 55.39 (+2.94s | 5.0%) | Aquawolves Swimming | 06/27/2025 | 2025 CO Zone 2 VMAC Meet | ||
| 1443 | Merrick Weishaar | 58.36 | 8 | B: 55.39 (+2.97s | 5.1%) | Skagit Valley YMCA Tritons | 05/01/2026 | 2026 PN BC May Flowers Approved | ||
| 1444 | Owen Bailey | 58.38 | 9 | B: 55.39 (+2.99s | 5.1%) | Mission Aurora Colorado Swimmi | 05/15/2026 | 2026 CO ACES Spring Invite | ||
| 1445 | Benjamin Jung | 58.38 | 8 | B: 55.39 (+2.99s | 5.1%) | Alto Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 1446 | Adar Shalev | 58.41 | 9 | B: 55.39 (+3.02s | 5.2%) | Jbarracudas Swim Team | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | ||
| 1447 | Theodore Ho | 58.42 | 10 | B: 55.39 (+3.03s | 5.2%) | Rancho San Dieguito | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | ||
| 1448 | Milo Stanfill | 58.43 | 9 | B: 55.39 (+3.04s | 5.2%) | Univ. of Denver Hilltoppers | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | ||
| 1449 | Luke Ballard | 58.43 | 7 | B: 55.39 (+3.04s | 5.2%) | Bozeman Barracudas Swim Team | 07/10/2026 | 2026 MT HLST Last Chance Invitational | ||
| 1450 | Mason McKenzie | 58.45 | 10 | B: 55.39 (+3.06s | 5.2%) | Tornadoes Swim Team | 05/30/2025 | LA OPEN 2025 | ||
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.