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 | |
|---|---|---|---|---|---|---|---|---|---|
| 1351 | Gavin Merrill | 56.90 | 9 | B: 55.39 (+1.51s | 2.7%) | Olympus Aquatics | 04/25/2025 | 2025 Stingrays LC Kickoff | ||
| 1352 | Jean Guerra-Willis | 56.94 | 10 | B: 55.39 (+1.55s | 2.7%) | Portland Aquatic Club | 06/12/2026 | 73rd Ted Walker Invitational 2026 | ||
| 1353 | Luke Taylor | 56.95 | 7 | B: 55.39 (+1.56s | 2.7%) | Laramie Swim Club | 04/24/2026 | 2026 CO FAST Spring Splash | ||
| 1354 | Wyatt Harrison | 56.96 | 9 | B: 55.39 (+1.57s | 2.8%) | Univ. of Denver Hilltoppers | 04/24/2026 | 2026 CO Arena Catch Me If You Can | ||
| 1355 | Kyle Bastin | 56.96 | 8 | B: 55.39 (+1.57s | 2.8%) | Mission Aurora Colorado Swimmi | 05/15/2026 | 2026 CO ACES Spring Invite | ||
| 1356 | Jameson Wallace | 56.98 | 8 | B: 55.39 (+1.59s | 2.8%) | Napa Valley Swim Team | 05/29/2026 | VJO S Tuffy Williams Summer Kickoff Classic | ||
| 1357 | Marlon Chinchilla | 56.98 | 9 | B: 55.39 (+1.59s | 2.8%) | Piranha Swimming | 05/17/2025 | Neptune Swimming May Long Course Meet | ||
| 1358 | Kyle Bauman | 56.98 | 8 | B: 55.39 (+1.59s | 2.8%) | Boulder Swim Team | 06/05/2026 | 2026 CO NJ Summer Solstice Invite | ||
| 1359 | Eason Liu | 57.04 | 8 | B: 55.39 (+1.65s | 2.9%) | Alto Swim Club | 05/02/2026 | Alto Spring Jam CBA | ||
| 1360 | Sebastian Lam | 57.05 | 8 | B: 55.39 (+1.66s | 2.9%) | Bellevue Club Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | ||
| 1361 | Ethan Shiflet | 57.07 | 9 | B: 55.39 (+1.68s | 2.9%) | Montclair Swim Team | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 1362 | Kyrie Laurente | 57.08 | 8 | B: 55.39 (+1.69s | 3.0%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
| 1363 | Reece Kau | 57.08 | 10 | B: 55.39 (+1.69s | 3.0%) | Palo Alto Stanford Aquatics | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 1364 | Alex Zhong | 57.09 | 8 | B: 55.39 (+1.70s | 3.0%) | Santa Clara Swim Club | 05/23/2025 | Zone 1 South May Firecracker 500 | ||
| 1365 | Hayden Borgen | 57.10 | 8 | B: 55.39 (+1.71s | 3.0%) | Legacy Aquatics | 06/12/2026 | 73rd Ted Walker Invitational 2026 | ||
| 1366 | Jeffrey Li | 57.11 | 9 | B: 55.39 (+1.72s | 3.0%) | Sunnyvale Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | ||
| 1367 | Myles Clark | 57.11 | 10 | B: 55.39 (+1.72s | 3.0%) | Kona Dolphins Swim Club | 05/16/2026 | BIG ISLAND SWIMMING @ KCAC | ||
| 1368 | Max Lim | 57.13 | 10 | B: 55.39 (+1.74s | 3.0%) | San Ramon Valley Aquatics | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 1369 | Brayden Wei | 57.14 | 8 | B: 55.39 (+1.75s | 3.1%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
| 1370 | Ethan Li | 57.17 | 9 | B: 55.39 (+1.78s | 3.1%) | Pacific Dragons Swim Team | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 1371 | Alex Hirata | 57.21 | 10 | B: 55.39 (+1.82s | 3.2%) | DeAnza Cupertino Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | ||
| 1372 | Platon Smirnov | 57.21 | 8 | B: 55.39 (+1.82s | 3.2%) | Sunnyvale Swim Club | 06/26/2026 | SUNN Silicon Valley CBA+ LCM | ||
| 1373 | Jiaqi Zong | 57.22 | 8 | B: 55.39 (+1.83s | 3.2%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | ||
| 1374 | Jeffrey Liu | 57.22 | 10 | B: 55.39 (+1.83s | 3.2%) | DeAnza Cupertino Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 1375 | Skylar Chu | 57.24 | 10 | B: 55.39 (+1.85s | 3.2%) | Pacific Dragons Swim Team | 06/13/2026 | 2026 PN IST June Invtational Approved | ||
| 1376 | Linus McMaster | 57.29 | 9 | B: 55.39 (+1.90s | 3.3%) | Eugene City Swim Club | 06/13/2026 | 2026 Mike Morris Memorial Invitational Copi | ||
| 1377 | Luke Moeller | 57.30 | 8 | B: 55.39 (+1.91s | 3.3%) | Pikes Peak Athletics | 06/19/2026 | 2026 CO Falfins Long Course Open | ||
| 1378 | Felix Wang | 57.31 | 10 | B: 55.39 (+1.92s | 3.4%) | Eastside Aquatic Swim Team | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | ||
| 1379 | Noah Sea | 57.31 | 8 | B: 55.39 (+1.92s | 3.4%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | ||
| 1380 | Oliver Ng | 57.35 | 10 | B: 55.39 (+1.96s | 3.4%) | VillaSport Swim Team | 05/30/2025 | LA OPEN 2025 | ||
| 1381 | James Worters | 57.37 | 10 | B: 55.39 (+1.98s | 3.5%) | Otter Swim Club | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 1382 | Samuel Leineweber | 57.38 | 9 | B: 55.39 (+1.99s | 3.5%) | Apex | 06/05/2026 | 2026 CST Summer Invitational | ||
| 1383 | Walter Huang | 57.39 | 8 | B: 55.39 (+2.00s | 3.5%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | ||
| 1384 | Oliver Loening | 57.41 | 10 | B: 55.39 (+2.02s | 3.5%) | Daly City Dolphins | 05/16/2025 | 2025 DACA LC CBA Meet | ||
| 1385 | Nicholas Baxter | 57.41 | 9 | B: 55.39 (+2.02s | 3.5%) | East Bay Silver Dolphins | 06/13/2026 | Orinda PC LC AG C B BB+ | ||
| 1386 | Julian Chen | 57.42 | 9 | B: 55.39 (+2.03s | 3.5%) | Greenwood Tiger Sharks | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | ||
| 1387 | Bronson Bruland | 57.46 | 10 | B: 55.39 (+2.07s | 3.6%) | Mlst | 07/12/2025 | 2025 Silver State Championships | ||
| 1388 | Elijah Irwin | 57.47 | 9 | B: 55.39 (+2.08s | 3.6%) | Fallbrook Assoc Swim T | 07/11/2025 | 2025 SI JBST All Ages NTS Meet | ||
| 1389 | Lee Lopez | 57.47 | 10 | B: 55.39 (+2.08s | 3.6%) | SOL Swim Team | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | ||
| 1390 | Cameron Burgess | 57.48 | 7 | B: 55.39 (+2.09s | 3.6%) | Jbarracudas Swim Team | 06/06/2026 | 2026 SI JBST SPLASH DASH MAX | ||
| 1391 | Ethan Gu | 57.49 | 10 | B: 55.39 (+2.10s | 3.7%) | Burlingame Aquatics | 04/19/2025 | Alto Spring Jam Meet | ||
| 1392 | Jay Pomprowitz | 57.49 | 8 | B: 55.39 (+2.10s | 3.7%) | Univ. of Denver Hilltoppers | 06/26/2026 | 2026 CO Zone 2 District Meet DU | ||
| 1393 | Hei Chan | 57.52 | 10 | B: 55.39 (+2.13s | 3.7%) | Alto Swim Club | 04/27/2024 | Alto Spring Jam | ||
| 1394 | Rye Spaulding | 57.52 | 10 | B: 55.39 (+2.13s | 3.7%) | Univ. of Denver Hilltoppers | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | ||
| 1395 | Adrian Seto | 57.59 | 9 | B: 55.39 (+2.20s | 3.8%) | Palo Alto Stanford Aquatics | 06/12/2026 | 2026 DACA LC CBA Meet | ||
| 1396 | Aaron Boytsov | 57.63 | 9 | B: 55.39 (+2.24s | 3.9%) | Renegade Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | ||
| 1397 | Joshua Chang | 57.63 | 9 | B: 55.39 (+2.24s | 3.9%) | Unattached | 05/02/2026 | Alto Spring Jam CBA | ||
| 1398 | Holden Benke | 57.64 | 9 | B: 55.39 (+2.25s | 3.9%) | Mission Valley YMCA | 04/24/2026 | 2026 SI PS ABB Meet Group A | ||
| 1399 | Alex Warren Moy | 57.64 | 10 | B: 55.39 (+2.25s | 3.9%) | Palo Alto Stanford Aquatics | 05/24/2025 | 2025 Mike Snyder Memorial | ||
| 1400 | Lucas Chan | 57.64 | 8 | B: 55.39 (+2.25s | 3.9%) | Olympic Cascade Aquatics | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | ||
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.