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 | |
|---|---|---|---|---|---|---|---|---|---|
| 651 | Breydan Maumausolo-Sale | 48.64 | 8 | BB Min | A: 43.09 (+5.55s | 11.4%) | Kamehameha Swim Club | 07/16/2026 | 2026 HISI LCM Championships | |
| 652 | Moses Wang | 48.64 | 10 | BB Min | A: 43.09 (+5.55s | 11.4%) | Bainbridge Island Swim Club | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 653 | Nathanael Richards | 48.65 | 9 | BB Min | A: 43.09 (+5.56s | 11.4%) | Spokane Waves Aquatic Team | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | |
| 654 | Finn Swarts | 48.67 | 8 | BB Min | A: 43.09 (+5.58s | 11.5%) | North Jeffco Swim Team | 04/12/2026 | 2026 CO NJ SBL Pentathlon 12 U | |
| 655 | Felix Franson | 48.68 | 9 | BB Min | A: 43.09 (+5.59s | 11.5%) | Pikes Peak Athletics | 06/19/2026 | 2026 CO Falfins Long Course Open | |
| 656 | Hogan Crow | 48.70 | 10 | BB Min | A: 43.09 (+5.61s | 11.5%) | Unattached | 04/17/2026 | 2026 Shark Attack Copied | |
| 657 | Ethan Liu | 48.72 | 9 | BB Min | A: 43.09 (+5.63s | 11.6%) | Highlands Ranch Aquatics | 04/24/2026 | 2026 CO Steve Drozda LC Shotgun | |
| 658 | Zhencheng Xu | 48.73 | 10 | BB Min | A: 43.09 (+5.64s | 11.6%) | Alto Swim Club | 06/20/2026 | Alto Summer Swelter | |
| 659 | Cameron Lim | 48.74 | 9 | BB Min | A: 43.09 (+5.65s | 11.6%) | Seattle Metropolitan Aquatic C | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 660 | Ian Lee | 48.75 | 8 | BB Min | A: 43.09 (+5.66s | 11.6%) | Bellevue Club Swim Team | 07/09/2026 | 2026 PN Chinook Seattle Age Group Open Appro | |
| 661 | Dresden Ramirez | 48.75 | 10 | BB Min | A: 43.09 (+5.66s | 11.6%) | Legacy Aquatics | 07/31/2026 | 2026 NE NSSC New England Summer Championship | |
| 662 | Patrick Keene | 48.75 | 9 | BB Min | A: 43.09 (+5.66s | 11.6%) | Univ. of Denver Hilltoppers | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 663 | Greyson Straka | 48.76 | 9 | BB Min | A: 43.09 (+5.67s | 11.6%) | Evergreen Hurricanes | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 664 | Craig Beasley | 48.79 | 9 | BB Min | A: 43.09 (+5.70s | 11.7%) | Multnomah Athletic Club | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 665 | Ryan Song | 48.80 | 9 | BB Min | A: 43.09 (+5.71s | 11.7%) | Wasc | 06/11/2026 | 2026 SCS June AG Invite | |
| 666 | Vincent Kim | 48.81 | 10 | BB Min | A: 43.09 (+5.72s | 11.7%) | Hydro Aquatics Club | 06/12/2025 | 2025 CA SCS RAA June Age Group Championships | |
| 667 | Jamie Pan | 48.81 | 10 | BB Min | A: 43.09 (+5.72s | 11.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 668 | Kevin Zhang | 48.82 | 9 | BB Min | A: 43.09 (+5.73s | 11.7%) | Wave Aquatics | 07/23/2026 | 2026 PN LC 12 U Championships Approved | |
| 669 | Matthew DiRuzzo | 48.82 | 9 | BB Min | A: 43.09 (+5.73s | 11.7%) | SlipStream Aquatics | 07/10/2026 | 2026 CO Firecracker Last Chance Invite | |
| 670 | Brody Puska | 48.83 | 9 | BB Min | A: 43.09 (+5.74s | 11.8%) | Apex | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 671 | Declan Sederholm | 48.87 | 10 | BB Min | A: 43.09 (+5.78s | 11.8%) | Hilltop Aquatic Swim Team | 06/21/2025 | 2025 UT HAST RWB Invitational | |
| 672 | Dylan Rapp | 48.88 | 9 | BB Min | A: 43.09 (+5.79s | 11.8%) | Front Range Barracudas | 05/23/2026 | 2026 CO CUDA Vs AQUA Dual | |
| 673 | Wylee Towner-DeMoe | 48.88 | 10 | BB Min | A: 43.09 (+5.79s | 11.8%) | Team Eugene Aquatics | 07/10/2026 | 2026 OSI Arena Summer LC 12 U Championships | |
| 674 | Zihan Zhao | 48.93 | 9 | BB Min | A: 43.09 (+5.84s | 11.9%) | Pacific Dragons Swim Team | 07/10/2026 | 2026 PN OCA Last Chance Invitational Approve | |
| 675 | Adam Alqaqaa | 48.95 | 10 | BB Min | A: 43.09 (+5.86s | 12.0%) | Front Range Barracudas | 07/10/2026 | 2026 CO NCS Gold District Championships | |
| 676 | Piradon Pukrittayakamee | 48.96 | 9 | BB Min | A: 43.09 (+5.87s | 12.0%) | California Dolphins Swim Team | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 677 | Grayson Bennett | 48.96 | 8 | BB Min | A: 43.09 (+5.87s | 12.0%) | Spokane Waves Aquatic Team | 04/17/2026 | 2026 Shark Attack Copied | |
| 678 | Ori Lowenthal | 48.97 | 9 | BB Min | A: 43.09 (+5.88s | 12.0%) | Unattached | 07/10/2026 | 2026 CO Firecracker Last Chance Invite | |
| 679 | Charles Fikhman | 48.97 | 9 | BB Min | A: 43.09 (+5.88s | 12.0%) | Pacific Swim | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 680 | Ayansh Sinha | 49.01 | 10 | BB Min | A: 43.09 (+5.92s | 12.1%) | Pro Swimming | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 681 | Emmett Curry | 49.01 | 10 | BB Min | A: 43.09 (+5.92s | 12.1%) | Seattle Metropolitan Aquatic C | 05/28/2026 | 2026 IE VS Apple Capital | |
| 682 | Ethan Lyu | 49.01 | 9 | BB Min | A: 43.09 (+5.92s | 12.1%) | Tri-city Channel Cats | 07/24/2026 | 2026 IES LC CHAMPIONSHIPS | |
| 683 | Ico Tamayo | 49.02 | 9 | BB Min | A: 43.09 (+5.93s | 12.1%) | Cali Piranha Swim Team | 04/24/2026 | 2026 SI PS ABB Meet Group A | |
| 684 | Parker Lozes | 49.04 | 9 | BB Min | A: 43.09 (+5.95s | 12.1%) | Colorado Stingrays Swim Team | 05/15/2026 | 2026 CO NJ Ken Kelley Invite | |
| 685 | Asher Gersick | 49.05 | 10 | BB Min | A: 43.09 (+5.96s | 12.2%) | Lamarlins Swim Team, Inc. | 07/17/2026 | 2026 CO Alicia Leavitt Memorial | |
| 686 | Andrew Kenly | 49.06 | 10 | BB Min | A: 43.09 (+5.97s | 12.2%) | Avon Swim Club | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 687 | Atharv Choubey | 49.06 | 9 | BB Min | A: 43.09 (+5.97s | 12.2%) | Olympic Cascade Aquatics | 05/29/2026 | 2026 TRI CITY INVITATIONAL | |
| 688 | Jayden Chen | 49.07 | 10 | BB Min | A: 43.09 (+5.98s | 12.2%) | Tualatin Hills Swim Club | 05/01/2026 | 2026 THSC Spring Invite | |
| 689 | Mateo Sison | 49.10 | 10 | BB Min | A: 43.09 (+6.01s | 12.2%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 690 | William Goodrich | 49.13 | 7 | BB Min | A: 43.09 (+6.04s | 12.3%) | Denver Swim Academy | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 691 | Alex Chen | 49.14 | 9 | BB Min | A: 43.09 (+6.05s | 12.3%) | Seattle Metropolitan Aquatic C | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 692 | Abraham Urrutia | 49.14 | 10 | BB Min | A: 43.09 (+6.05s | 12.3%) | Foothills Swim Team | 07/24/2026 | 2026 CO Age Group LCM State Championships | |
| 693 | Teo Dickens | 49.16 | 10 | BB Min | A: 43.09 (+6.07s | 12.3%) | Lake Oswego Swim Club | 04/25/2026 | GACC Spring Invitational | |
| 694 | Gavin Lowe | 49.18 | 5 | BB Min | A: 43.09 (+6.09s | 12.4%) | Tri Valley Aquatics | 06/13/2026 | PC CDST LC C B BB+ 26 074 | |
| 695 | Gage Sena | 49.19 | 10 | BB Min | A: 43.09 (+6.10s | 12.4%) | Lamarlins Swim Team, Inc. | 07/17/2026 | 2026 CO Alicia Leavitt Memorial | |
| 696 | William Phillips | 49.19 | 9 | BB Min | A: 43.09 (+6.10s | 12.4%) | Tualatin Hills Swim Club | 05/22/2026 | 2026 THSC Memorial Weekend Meet | |
| 697 | Aaryan Indurkhya | 49.23 | 9 | BB Min | A: 43.09 (+6.14s | 12.5%) | Issaquah Swim Team | 05/15/2026 | 2026 PN IST Sockeye Springtime Madness App | |
| 698 | Andrew Chen | 49.24 | 8 | BB Min | A: 43.09 (+6.15s | 12.5%) | Seattle Metropolitan Aquatic C | 06/06/2026 | 2026 PN VAST Summer Sprint Dist Approved | |
| 699 | Liam Adrian | 49.25 | 10 | BB Min | A: 43.09 (+6.16s | 12.5%) | Multnomah Athletic Club | 04/17/2026 | 2026 MAC LONG COURSE INVITATIONAL | |
| 700 | Gabriel Terrones | 49.26 | 10 | BB Min | A: 43.09 (+6.17s | 12.5%) | Team Eugene Aquatics | 05/16/2026 | 2026 TEAM Showdown | |
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.