Western Zone Zone Boys 10 & under - 50 Y 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 451 | Bennett Kohlmeyer | 40.50 | 10 | BB Min | A: 37.59 (+2.91s | 7.2%) | Life Time Colorado Swim Club | 02/27/2026 | 2026 CO CSI SC Age Group Championships | |
| 452 | Young Sun | 40.52 | 9 | BB Min | A: 37.59 (+2.93s | 7.2%) | Pro Swimming | 03/06/2026 | 2026 PN PRO March Last Chance Intra Apprived | |
| 453 | Derek Zhu | 40.52 | 9 | BB Min | A: 37.59 (+2.93s | 7.2%) | Chinook Aquatic Club | 03/07/2026 | 2026 PN C March Madness Approved | |
| 454 | Ahaan Maknojia | 40.53 | 9 | BB Min | A: 37.59 (+2.94s | 7.3%) | Issaquah Swim Team | 03/28/2026 | 2026 PN Spring Showdown, Div1 Approved | |
| 455 | Matthew Castaneda | 40.54 | 10 | BB Min | A: 37.59 (+2.95s | 7.3%) | Seattle Metropolitan Aquatic C | 03/19/2026 | 2026 Northwest Region AG Champs Approved | |
| 456 | Blaze Garcia | 40.54 | 10 | BB Min | A: 37.59 (+2.95s | 7.3%) | Pueblo County Swim Team | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 457 | Kensington Hull | 40.55 | 10 | BB Min | A: 37.59 (+2.96s | 7.3%) | Heartland Swim Assoc | 01/17/2026 | 2026 SBA All Ages A BB Meet | |
| 458 | William Foster | 40.55 | 10 | BB Min | A: 37.59 (+2.96s | 7.3%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 459 | Luke Xu | 40.57 | 10 | BB Min | A: 37.59 (+2.98s | 7.3%) | California Dolphins Swim Team | 12/12/2025 | Winter SC Age Group Championships | |
| 460 | Locke Kane | 40.57 | 9 | BB Min | A: 37.59 (+2.98s | 7.3%) | Lahaina Swim Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 461 | Isak Breckon | 40.58 | 10 | BB Min | A: 37.59 (+2.99s | 7.4%) | South Davis Aquatics Team | 11/21/2025 | 2025 MAC Thanksgiving Invitational | |
| 462 | Mahkoah Tanap | 40.58 | 10 | BB Min | A: 37.59 (+2.99s | 7.4%) | Quantum Waves Aquatics | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 463 | Darryl Davis | 40.58 | 9 | BB Min | A: 37.59 (+2.99s | 7.4%) | Pueblo County Swim Team | 06/19/2026 | 2026 Max Shirley Radiff Memorial | |
| 464 | Lincoln Kelly | 40.59 | 10 | BB Min | A: 37.59 (+3.00s | 7.4%) | Excel Aquatics | 01/16/2026 | 2026 TYR Mardi Gras Invite | |
| 465 | Yeim Jung | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | Wave Aquatics | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
| 466 | Christopher Roeder | 40.60 | 10 | BB Min | A: 37.59 (+3.01s | 7.4%) | Aspen Swim Club | 05/03/2026 | 2026 CO Montrose Mini Sprint Meet | |
| 467 | Kaleb Luu | 40.61 | 9 | BB Min | A: 37.59 (+3.02s | 7.4%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 468 | Wesley Lang | 40.62 | 9 | BB Min | A: 37.59 (+3.03s | 7.5%) | River Road Swim Team | 02/21/2026 | 2026 Arena Short Course 10 U Championships | |
| 469 | Nakai LaMere | 40.63 | 10 | BB Min | A: 37.59 (+3.04s | 7.5%) | Quicksilver Swimming | 12/05/2025 | Zone 1S Year End Age Group Champs Minus Meet | |
| 470 | Daniel Heilman | 40.63 | 10 | BB Min | A: 37.59 (+3.04s | 7.5%) | San Francisco Seals Swim Team | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | |
| 471 | Declan Becker | 40.64 | 8 | BB Min | A: 37.59 (+3.05s | 7.5%) | Woodbridge Swim Team | 03/12/2026 | 2026 SCS Spring Age Group Champs @ RMDA Cop | |
| 472 | Owen Laidlaw | 40.66 | 9 | BB Min | A: 37.59 (+3.07s | 7.6%) | Island Aquatics | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 473 | Raizo Copp | 40.68 | 10 | BB Min | A: 37.59 (+3.09s | 7.6%) | King Aquatic Club | 02/27/2026 | 2026 PN February AGI, Div 1 Approved | |
| 474 | Theodore Carpenter | 40.68 | 10 | BB Min | A: 37.59 (+3.09s | 7.6%) | COSA Swimming | 01/02/2026 | 2026 CO COSA New Year Open | |
| 475 | Leland Tsou | 40.68 | 10 | BB Min | A: 37.59 (+3.09s | 7.6%) | Paseo Aquatics Swim Team | 12/12/2025 | 2025 CA GWSC Winter Age Group Invitational | |
| 476 | Oliver Panofsky | 40.69 | 9 | BB Min | A: 37.59 (+3.10s | 7.6%) | Slo Swim Club Seahawks | 02/14/2025 | 2025 CCS SCY AGC | |
| 477 | Asher Young | 40.70 | 10 | BB Min | A: 37.59 (+3.11s | 7.6%) | Terrapins Swim Team | 07/26/2025 | Zone 2 Summer Championships | |
| 478 | Ethan Liu | 40.70 | 9 | BB Min | A: 37.59 (+3.11s | 7.6%) | Highlands Ranch Aquatics | 03/13/2026 | Mile High Championship Invitational | |
| 479 | Jacob Cardenas | 40.70 | 10 | BB Min | A: 37.59 (+3.11s | 7.6%) | Pacific Swim | 12/04/2025 | 2025 Holiday Swim Festival | |
| 480 | Elliott Linsmeier | 40.75 | 10 | BB Min | A: 37.59 (+3.16s | 7.8%) | Ramona Swim Team | 03/06/2026 | 2026 SI 14U AGE GRP CHAMPIONSHIPS | |
| 481 | Andrei Talalay | 40.76 | 9 | BB Min | A: 37.59 (+3.17s | 7.8%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | |
| 482 | Henry Fredericks | 40.77 | 9 | BB Min | A: 37.59 (+3.18s | 7.8%) | COSA Swimming | 01/23/2026 | 2026 CO TOPS Colorado Open | |
| 483 | Oliver Shalvey | 40.78 | 10 | BB Min | A: 37.59 (+3.19s | 7.8%) | Excel Aquatics | 02/21/2026 | 2026 SES Region 1 8 And Under Championships | |
| 484 | Lucas Wang | 40.80 | 10 | BB Min | A: 37.59 (+3.21s | 7.9%) | Chinook Aquatic Club | 05/15/2026 | 2026 PN SRST Pacific Coast Invitational App | |
| 485 | Tyler Mirasol | 40.80 | 9 | BB Min | A: 37.59 (+3.21s | 7.9%) | Quicksilver Swimming | 02/13/2026 | 2026 Neptune Swimming Invitational | |
| 486 | Noah Wu | 40.82 | 10 | BB Min | A: 37.59 (+3.23s | 7.9%) | Palo Alto Stanford Aquatics | 11/15/2025 | De Anza Cupertino Aquatics CBA+ Meet | |
| 487 | Milo Lanigan | 40.83 | 10 | BB Min | A: 37.59 (+3.24s | 7.9%) | Pikes Peak Athletics | 04/11/2026 | 2026 CO PPA Sprint Penthathlon | |
| 488 | Jonathan Chen | 40.83 | 9 | BB Min | A: 37.59 (+3.24s | 7.9%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | |
| 489 | Micah Parris | 40.84 | 9 | BB Min | A: 37.59 (+3.25s | 8.0%) | Sunnyvale Swim Club | 02/13/2026 | 34th Annual Lost Dutchman Invitational | |
| 490 | Ace-Ryder Garza | 40.85 | 9 | BB Min | A: 37.59 (+3.26s | 8.0%) | Dr Dolores Silas | 02/20/2026 | 2026 WIAA 3A Boys HS State Champs OB | |
| 491 | Holt Jorgensen | 40.88 | 9 | BB Min | A: 37.59 (+3.29s | 8.0%) | Dart Swimming | 11/08/2025 | Folsom Classic 2025 | |
| 492 | Marek Martini | 40.88 | 9 | BB Min | A: 37.59 (+3.29s | 8.0%) | Blue Dragons Swim Team | 03/14/2026 | 2026 CAT Spring Invite | |
| 493 | Matthew McNeilly | 40.89 | 9 | BB Min | A: 37.59 (+3.30s | 8.1%) | CAC Stingrays Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 494 | Scott Li | 40.92 | 9 | BB Min | A: 37.59 (+3.33s | 8.1%) | Excel Aquatics | 12/05/2025 | 2025 Beaman Toyota Meet Of Champs | |
| 495 | Travis Sullivan | 40.94 | 10 | BB Min | A: 37.59 (+3.35s | 8.2%) | Mission Valley YMCA | 01/31/2026 | 2026 SBA All Ages NTS Meet | |
| 496 | Levi Garay | 40.94 | 10 | BB Min | A: 37.59 (+3.35s | 8.2%) | Fontana Aquatics Club | 12/04/2025 | 2025 Holiday Swim Festival | |
| 497 | Michael Hefner | 40.94 | 9 | BB Min | A: 37.59 (+3.35s | 8.2%) | Aspen Swim Club | 06/27/2026 | 2026 CO Montrose Marlins Summer Open | |
| 498 | Jacob Chen | 40.95 | 9 | BB Min | A: 37.59 (+3.36s | 8.2%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 499 | Koa Maday | 40.98 | 10 | BB Min | A: 37.59 (+3.39s | 8.3%) | Kona Aquatics Club | 02/26/2026 | 2026 HI Hawaiian Swimming SCY AGChamps | |
| 500 | Saien Wu | 40.99 | 10 | BB Min | A: 37.59 (+3.40s | 8.3%) | Bellevue Club Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | |
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.