Western Zone Zone Boys 10 & under - 50 M 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 | |
|---|---|---|---|---|---|---|---|---|---|
| 501 | Sebastian Dudenko | 39.48 | 9 | BB Min | A: 35.69 (+3.79s | 9.6%) | Alto Swim Club | 07/25/2026 | Alto Last Splash | |
| 502 | Adam Kao | 39.48 | 10 | BB Min | A: 35.69 (+3.79s | 9.6%) | Life Time Oregon Swim Team | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 503 | Cameron Lim | 39.49 | 9 | BB Min | A: 35.69 (+3.80s | 9.6%) | Seattle Metropolitan Aquatic C | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 504 | Theodore Cook | 39.49 | 9 | BB Min | A: 35.69 (+3.80s | 9.6%) | SlipStream Aquatics | 06/18/2026 | 2026 CO Grand Junction Invitational | |
| 505 | Ishaan Mittal | 39.50 | 10 | BB Min | A: 35.69 (+3.81s | 9.6%) | Rogue Rapids | 06/26/2026 | 2026 TEAM Summer Invitational | |
| 506 | Ian Susanto | 39.51 | 10 | BB Min | A: 35.69 (+3.82s | 9.7%) | Legacy Aquatics | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 507 | Decker Sewell | 39.52 | 10 | BB Min | A: 35.69 (+3.83s | 9.7%) | Ski Hi Aquatics | 07/17/2026 | 2026 CO Alicia Leavitt Memorial | |
| 508 | Zuriel Cariazo | 39.53 | 10 | BB Min | A: 35.69 (+3.84s | 9.7%) | Montrose Marlins Swim Club | 05/29/2026 | 2026 CO Cortez Summer Open | |
| 509 | Miles Platt | 39.56 | 10 | BB Min | A: 35.69 (+3.87s | 9.8%) | King Aquatic Club | 06/26/2026 | 2026 PN SMAC Summer Classic Invite Approved | |
| 510 | Oliver Tavey | 39.58 | 9 | BB Min | A: 35.69 (+3.89s | 9.8%) | Rose Bowl Aquatics | 07/23/2026 | 2026 CA SCS Summer A G Champs @ BREA | |
| 511 | Killian Mann | 39.58 | 9 | BB Min | A: 35.69 (+3.89s | 9.8%) | Olympic Cascade Aquatics | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 512 | Noah Gaal | 39.58 | 9 | BB Min | A: 35.69 (+3.89s | 9.8%) | Aces Swim Club | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 513 | Finn Kirst | 39.59 | 10 | BB Min | A: 35.69 (+3.90s | 9.9%) | Wave Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 514 | Adam Ellingwood | 39.60 | 10 | BB Min | A: 35.69 (+3.91s | 9.9%) | Pleasanton Seahawks | 06/20/2026 | Alto Summer Swelter | |
| 515 | Alexander Forward | 39.60 | 8 | BB Min | A: 35.69 (+3.91s | 9.9%) | San Jose Goosemonkeys | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 516 | Calder Pettersen | 39.62 | 9 | BB Min | A: 35.69 (+3.93s | 9.9%) | Cascade Swim Club | 06/06/2026 | 2026 PN CSC Swimtacular Approved | |
| 517 | Nolan Sun | 39.63 | 10 | BB Min | A: 35.69 (+3.94s | 9.9%) | Pleasanton Seahawks | 05/23/2026 | 2026 Tiger Aquatics C B BB+ Memorial Day Meet | |
| 518 | Zachary Iannamico | 39.64 | 10 | BB Min | A: 35.69 (+3.95s | 10.0%) | Inland Coastal Aquatic Club | 07/23/2026 | 2026 SI LC AGE GROUP CHAMPIONSHIPS | |
| 519 | Vivaan Jagadish | 39.65 | 10 | BB Min | A: 35.69 (+3.96s | 10.0%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 520 | Asher Freiberg | 39.69 | 10 | BB Min | A: 35.69 (+4.00s | 10.1%) | Kamehameha Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 521 | Elliott Linsmeier | 39.70 | 10 | BB Min | A: 35.69 (+4.01s | 10.1%) | Ramona Swim Team | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 522 | Daniel Perekotiy | 39.72 | 10 | BB Min | A: 35.69 (+4.03s | 10.1%) | Mission Viejo Nadadores | 06/11/2026 | 2026 SCS June AG Invite | |
| 523 | Mo Chen | 39.72 | 10 | BB Min | A: 35.69 (+4.03s | 10.1%) | Wave Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 524 | Jaroslav Rezac | 39.72 | 10 | BB Min | A: 35.69 (+4.03s | 10.1%) | Longmont Swim Club | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 525 | Lucas Nguyen | 39.73 | 10 | BB Min | A: 35.69 (+4.04s | 10.2%) | Valley Splash | 05/22/2026 | 2026 Zone 1 South Firecracker 400 | |
| 526 | Darryl Davis | 39.73 | 9 | BB Min | A: 35.69 (+4.04s | 10.2%) | Pueblo County Swim Team | 07/10/2026 | 2026 CO Firecracker Last Chance Invite | |
| 527 | Levi Heilbrun | 39.74 | 10 | BB Min | A: 35.69 (+4.05s | 10.2%) | Bend Swim Club | 06/19/2026 | Bend Swim Club Sun Country Invite 2026 | |
| 528 | Ishaan Malik | 39.74 | 10 | BB Min | A: 35.69 (+4.05s | 10.2%) | Unattached | 05/02/2026 | Alto Spring Jam CBA | |
| 529 | Mason Verwers | 39.76 | 9 | BB Min | A: 35.69 (+4.07s | 10.2%) | Unattached | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 530 | Luca Fu | 39.76 | 9 | BB Min | A: 35.69 (+4.07s | 10.2%) | Lakeridge Swim Team | 05/22/2026 | 2026 Intermountain Classic Long Course Meet | |
| 531 | Alroy Conry | 39.77 | 8 | BB Min | A: 35.69 (+4.08s | 10.3%) | Aces Swim Club | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 532 | Benjamin Foster | 39.78 | 9 | BB Min | A: 35.69 (+4.09s | 10.3%) | Neptune Swimming | 06/12/2026 | Neptune Swimming June LC Meet | |
| 533 | Sebastian Lam | 39.78 | 9 | BB Min | A: 35.69 (+4.09s | 10.3%) | Bellevue Club Swim Team | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 534 | Francis Wang | 39.78 | 9 | BB Min | A: 35.69 (+4.09s | 10.3%) | West Coast Aquatics | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 535 | Carter Trauth | 39.78 | 9 | BB Min | A: 35.69 (+4.09s | 10.3%) | SlipStream Aquatics | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 536 | Leo Beaver | 39.80 | 10 | B Min | BB: 39.79 (+0.01s | 0.0%) | Portland Aquatic Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 537 | Maddox Fish | 39.80 | 9 | B Min | BB: 39.79 (+0.01s | 0.0%) | Pikes Peak Athletics | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 538 | Jackson Porter | 39.82 | 10 | B Min | BB: 39.79 (+0.03s | 0.1%) | Stingray Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 539 | Dresden Ramirez | 39.84 | 10 | B Min | BB: 39.79 (+0.05s | 0.1%) | Legacy Aquatics | 06/26/2026 | 2026 NE SUN Summer Solstice | |
| 540 | Owen Hayes | 39.88 | 10 | B Min | BB: 39.79 (+0.09s | 0.2%) | Hills Hurricane Swimming | 06/13/2026 | Orinda PC LC AG C B BB+ | |
| 541 | Guillermo Dinares Cardenal | 39.88 | 9 | B Min | BB: 39.79 (+0.09s | 0.2%) | Vashon Seals Swim Team | 06/14/2025 | 2025 IST June Invtational | |
| 542 | Everett Gerlock | 39.89 | 9 | B Min | BB: 39.79 (+0.10s | 0.3%) | Gunnison Stingrays | 07/10/2026 | 2026 CO Western Slope League Championships | |
| 543 | Ronan Kruse | 39.89 | 10 | B Min | BB: 39.79 (+0.10s | 0.3%) | South Bay Aquatics | 06/06/2026 | 2026 SI SOL Splash And Dash Max Jun 6 7 | |
| 544 | Avyaan Wasuja | 39.90 | 10 | B Min | BB: 39.79 (+0.11s | 0.3%) | Wave Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 545 | Dominik Orlov | 39.90 | 10 | B Min | BB: 39.79 (+0.11s | 0.3%) | Avon Swim Club | 07/10/2026 | 2026 CO Western Slope League Championships | |
| 546 | Samuel Zhou | 39.95 | 10 | B Min | BB: 39.79 (+0.16s | 0.4%) | Bay Club Panthers | 05/02/2026 | Alto Spring Jam CBA | |
| 547 | Marcus Wang | 39.97 | 10 | B Min | BB: 39.79 (+0.18s | 0.5%) | Pacific Dragons Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 548 | Jamie Russell | 39.98 | 9 | B Min | BB: 39.79 (+0.19s | 0.5%) | Santa Clara Swim Club | 06/27/2026 | 2026 Santa Clara LC Race To Age Group Champs | |
| 549 | Ethan Holmgren | 39.98 | 10 | B Min | BB: 39.79 (+0.19s | 0.5%) | North Jeffco Swim Team | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 550 | Jack Cohen | 39.98 | 10 | B Min | BB: 39.79 (+0.19s | 0.5%) | Class Aquatics | 06/11/2026 | 2026 SCS June AG Invite CANY | |
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.