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 | |
|---|---|---|---|---|---|---|---|---|---|
| 701 | Ethan Smith | 52.22 | 10 | B Min | BB: 49.29 (+2.93s | 5.6%) | Bend Swim Club | 05/08/2026 | Bend Swim Club May Invitational 2026 | |
| 702 | Zachariah Sivaraj | 52.23 | 8 | B Min | BB: 49.29 (+2.94s | 5.6%) | Sawtooth Aquatic Club | 07/18/2025 | 2025 LCM Summer Championships | |
| 703 | Elliott Boland | 52.23 | 10 | B Min | BB: 49.29 (+2.94s | 5.6%) | Academy Swim Club | 05/16/2026 | BIG ISLAND SWIMMING @ KCAC | |
| 704 | Mason Cao | 52.23 | 10 | B Min | BB: 49.29 (+2.94s | 5.6%) | Quicksilver Swimming | 06/28/2024 | 2024 Valley Splash Zone 1S LCM C B A+ | |
| 705 | Daniel Zhovtobriukh | 52.26 | 10 | B Min | BB: 49.29 (+2.97s | 5.7%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 706 | Gunnar Torres | 52.27 | 10 | B Min | BB: 49.29 (+2.98s | 5.7%) | Gold\\\\\\'s Aquatics Club (Camas) | 04/25/2026 | GACC Spring Invitational | |
| 707 | Jaden Langley | 52.29 | 9 | B Min | BB: 49.29 (+3.00s | 5.7%) | Rocky Mountain Rapids | 04/26/2025 | 2025 CO COSA Spring LC Kick Off | |
| 708 | Wilson Zhou | 52.29 | 10 | B Min | BB: 49.29 (+3.00s | 5.7%) | South San Francisco Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 709 | Smith Larsen | 52.30 | 9 | B Min | BB: 49.29 (+3.01s | 5.8%) | Magic Valley Marlins | 07/18/2025 | 2025 LCM Summer Championships | |
| 710 | BaoSheng Wang | 52.30 | 8 | B Min | BB: 49.29 (+3.01s | 5.8%) | San Ramon Valley Aquatics | 04/25/2026 | San Ramon Valley Aquatics Long Course C B BB+ | |
| 711 | Lev Gishizky | 52.33 | 10 | B Min | BB: 49.29 (+3.04s | 5.8%) | Waves Aquatics Napa Valley | 06/22/2024 | NVST S LAST CHANCE JO SUMMER PLUNGE | |
| 712 | Paxton Padilla | 52.34 | 9 | B Min | BB: 49.29 (+3.05s | 5.8%) | Pueblo County Swim Team | 07/18/2025 | 2025 CO Rocky Ford Blue Marlins Invitational | |
| 713 | Lawson Tenfjord | 52.35 | 10 | B Min | BB: 49.29 (+3.06s | 5.8%) | Highlands Ranch Aquatics | 06/19/2025 | 2025 CO ACES Summer Invite | |
| 714 | Olyn Nelson | 52.36 | 10 | B Min | BB: 49.29 (+3.07s | 5.9%) | Los Altos Mountain View Aquati | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 715 | Muyang He | 52.36 | 9 | B Min | BB: 49.29 (+3.07s | 5.9%) | Santa Clara Swim Club | 05/17/2024 | Quicksilver Swimming Zone 1S LCM C B A+ Meet | |
| 716 | Ian Jiang | 52.38 | 9 | B Min | BB: 49.29 (+3.09s | 5.9%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 717 | Lucas Umaniuc | 52.41 | 9 | B Min | BB: 49.29 (+3.12s | 6.0%) | Walnut Creek Aquabears | 06/20/2025 | Zone 2 Last Chance To AG Champs | |
| 718 | Norne Fang | 52.41 | 8 | B Min | BB: 49.29 (+3.12s | 6.0%) | Milpitas Aquatic Club | 07/19/2025 | Alto Last Splash | |
| 719 | Srii Bezawada | 52.44 | 10 | B Min | BB: 49.29 (+3.15s | 6.0%) | Front Range Barracudas | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 720 | Luca Moyes | 52.44 | 9 | B Min | BB: 49.29 (+3.15s | 6.0%) | Lake Oswego Swim Club | 04/25/2026 | GACC Spring Invitational | |
| 721 | Kason Cullen | 52.44 | 10 | B Min | BB: 49.29 (+3.15s | 6.0%) | Aloha Aquatics Association | 05/02/2026 | Keiko Price Sprint Meet Aloha Mile | |
| 722 | Noah Dwinell | 52.45 | 9 | B Min | BB: 49.29 (+3.16s | 6.0%) | Seattle Metropolitan Aquatic C | 04/24/2026 | 2026 PN SMAC Spring Showers LC Challenge | |
| 723 | Ryan Hu | 52.48 | 8 | B Min | BB: 49.29 (+3.19s | 6.1%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 724 | Marcus England | 52.49 | 10 | B Min | BB: 49.29 (+3.20s | 6.1%) | Sawtooth Aquatic Club | 05/16/2025 | 2025 Spring Fling LC Invitational | |
| 725 | Killian Mann | 52.50 | 9 | B Min | BB: 49.29 (+3.21s | 6.1%) | Olympic Cascade Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 726 | Dean Wu | 52.52 | 7 | B Min | BB: 49.29 (+3.23s | 6.2%) | Burlingame Aquatics | 05/02/2026 | Alto Spring Jam CBA | |
| 727 | Rishen Tayal | 52.52 | 9 | B Min | BB: 49.29 (+3.23s | 6.2%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 728 | Finn McGrath | 52.54 | 7 | B Min | BB: 49.29 (+3.25s | 6.2%) | Multnomah Athletic Club | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 729 | Clyde Hanna | 52.54 | 9 | B Min | BB: 49.29 (+3.25s | 6.2%) | Lake Oswego Swim Club | 05/02/2025 | 2025 THSC Spring Invitational | |
| 730 | Jackson Jensen | 52.55 | 9 | B Min | BB: 49.29 (+3.26s | 6.2%) | Valley Aquatics | 05/31/2025 | 2025 PN VAST Summer Sprints And Distance Chal | |
| 731 | Theodore Cook | 52.56 | 9 | B Min | BB: 49.29 (+3.27s | 6.2%) | SlipStream Aquatics | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 732 | Jose Ramos Morales | 52.59 | 9 | B Min | BB: 49.29 (+3.30s | 6.3%) | Denver Triton Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 733 | Hunter Pavlakovich | 52.61 | 8 | B Min | BB: 49.29 (+3.32s | 6.3%) | SwimTLC-Parker Phenomena Swim | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 734 | Dax Nisenbaum | 52.62 | 10 | B Min | BB: 49.29 (+3.33s | 6.3%) | Hills Hurricane Swimming | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 735 | Ian Webster | 52.63 | 10 | B Min | BB: 49.29 (+3.34s | 6.3%) | Columbia River Swim Team | 06/07/2025 | 2025 OR CRST Summer Blast 2 | |
| 736 | Colt Rodeheaver | 52.63 | 9 | B Min | BB: 49.29 (+3.34s | 6.3%) | Seattle Metropolitan Aquatic C | 05/29/2025 | 2025 IE VS Apple Capital | |
| 737 | Arz Abu Raya | 52.64 | 8 | B Min | BB: 49.29 (+3.35s | 6.4%) | Unattached | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 738 | Leon Mishin | 52.67 | 7 | B Min | BB: 49.29 (+3.38s | 6.4%) | Walnut Creek Aquabears | 04/25/2026 | Brentwood Seawolves Long Course C B BB+ | |
| 739 | Jackson Guttridge | 52.67 | 10 | B Min | BB: 49.29 (+3.38s | 6.4%) | Apex | 07/19/2025 | Apex Intrasquad 3 | |
| 740 | Jasper Timmons | 52.71 | 10 | B Min | BB: 49.29 (+3.42s | 6.5%) | Cascade Swim Club | 09/20/2025 | 2025 PN CSC September Shakeout | |
| 741 | Austin Dunn | 52.72 | 9 | B Min | BB: 49.29 (+3.43s | 6.5%) | Streamliner Aquatics | 07/18/2025 | 2025 LCM Summer Championships | |
| 742 | Alexander Malcomson | 52.73 | 8 | B Min | BB: 49.29 (+3.44s | 6.5%) | Bellevue Club Swim Team | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 743 | Beckham Allen | 52.73 | 9 | B Min | BB: 49.29 (+3.44s | 6.5%) | Pikes Peak Athletics | 05/16/2026 | 2026 CO Hilltopper Invite | |
| 744 | Lucas Nguyen | 52.74 | 10 | B Min | BB: 49.29 (+3.45s | 6.5%) | Renegade Aquatics | 05/23/2026 | SI 2026 TAC CSTE All Ages NTS Meet | |
| 745 | Ivan Hu | 52.76 | 8 | B Min | BB: 49.29 (+3.47s | 6.6%) | Otter Swim Club | 05/16/2026 | 2026 DACA LC CBA+ | |
| 746 | Lincoln Sparhawk | 52.78 | 10 | B Min | BB: 49.29 (+3.49s | 6.6%) | Burlingame Aquatics | 05/18/2024 | Alto May Cray Invitational | |
| 747 | Wyatt Anderson | 52.79 | 9 | B Min | BB: 49.29 (+3.50s | 6.6%) | Jcc Jellyfish Club | 04/12/2024 | WFFM LC Kickoff 2024 | |
| 748 | Zhile Li | 52.80 | 10 | B Min | BB: 49.29 (+3.51s | 6.6%) | Wave Aquatics | 05/01/2026 | 2026 PN BC May Flowers Approved | |
| 749 | Allister Georgiou | 52.80 | 10 | B Min | BB: 49.29 (+3.51s | 6.6%) | McGrath Marlins Swim Team | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 750 | Mayson Huang | 52.80 | 9 | B Min | BB: 49.29 (+3.51s | 6.6%) | Issaquah Swim Team | 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.