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 | Flynn Chen | 53.47 | 8 | B Min | BB: 49.29 (+4.18s | 7.8%) | DeAnza Cupertino Aquatics | 05/16/2025 | 2025 DACA LC CBA Meet | |
| 702 | Westley Berman | 53.48 | 8 | B Min | BB: 49.29 (+4.19s | 7.8%) | Palo Alto Stanford Aquatics | 06/22/2024 | Alto Beat The Heat Sat Sun | |
| 703 | Mikhail Lagzdin | 53.48 | 8 | B Min | BB: 49.29 (+4.19s | 7.8%) | Olympic Cascade Aquatics | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 704 | Carter Schwenk | 53.48 | 9 | B Min | BB: 49.29 (+4.19s | 7.8%) | Burlingame Aquatics | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 705 | Caleb Hurley | 53.49 | 8 | B Min | BB: 49.29 (+4.20s | 7.9%) | San Ramon Valley Aquatics | 05/11/2024 | SRVA LCM CBBB+ | |
| 706 | Shayne Zhang | 53.49 | 8 | B Min | BB: 49.29 (+4.20s | 7.9%) | Bellevue Club Swim Team | 05/29/2025 | 2025 IE VS Apple Capital | |
| 707 | Ethan Gao | 53.50 | 8 | B Min | BB: 49.29 (+4.21s | 7.9%) | California Dolphins Swim Team | 04/12/2025 | PC BSW LCM C B BB+ Meet | |
| 708 | Elliott Linsmeier | 53.50 | 9 | B Min | BB: 49.29 (+4.21s | 7.9%) | Ramona Swim Team | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 709 | Jose Perez | 53.50 | 9 | B Min | BB: 49.29 (+4.21s | 7.9%) | Lincoln City Swim Club | 04/26/2025 | April Invitational 2025 | |
| 710 | Darryl Davis | 53.50 | 8 | B Min | BB: 49.29 (+4.21s | 7.9%) | Pueblo County Swim Team | 06/06/2025 | 2025 CO La Junta Invitational | |
| 711 | Shay Jain | 53.50 | 8 | B Min | BB: 49.29 (+4.21s | 7.9%) | Palo Alto Stanford Aquatics | 05/24/2025 | 2025 Mike Snyder Memorial | |
| 712 | Sullivan Vaira | 53.56 | 8 | B Min | BB: 49.29 (+4.27s | 8.0%) | Billings YMCA | 06/23/2023 | 2023 RST Rushmore Classic Swim Meet | |
| 713 | Evan Yang | 53.61 | 8 | B Min | BB: 49.29 (+4.32s | 8.1%) | Lake Oswego Swim Club | 07/12/2025 | 2025 OSI Arena Summer LC 10 U Championships | |
| 714 | Gavin Yang | 53.63 | 9 | B Min | BB: 49.29 (+4.34s | 8.1%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 715 | Connor Lau | 53.65 | 10 | B Min | BB: 49.29 (+4.36s | 8.1%) | Pacifica Sea Lions | 07/12/2025 | 2025 Silver State Championships | |
| 716 | Decker Sewell | 53.67 | 9 | B Min | BB: 49.29 (+4.38s | 8.2%) | Ski Hi Aquatics | 06/27/2025 | 2025 CO Alicia Leavitt Memorial Open | |
| 717 | Moses Wang | 53.67 | 9 | B Min | BB: 49.29 (+4.38s | 8.2%) | Bainbridge Island Swim Club | 07/11/2025 | 2025 PN OCA July Jamboree Invitational | |
| 718 | Senge Laka | 53.74 | 8 | B Min | BB: 49.29 (+4.45s | 8.3%) | Cascadia Swimming | 11/01/2025 | Oregon City Fall Open 2025 | |
| 719 | Forrest Chen | 53.75 | 10 | B Min | BB: 49.29 (+4.46s | 8.3%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 720 | Leo Miyamoto | 53.75 | 10 | B Min | BB: 49.29 (+4.46s | 8.3%) | Napa Valley Swim Team | 06/21/2025 | NVST Last Chance AG Champs Summer Plunge 2025 | |
| 721 | Brooks Poshusta | 53.77 | 9 | B Min | BB: 49.29 (+4.48s | 8.3%) | Eastmont | 06/20/2025 | 2025 IE VS Starlight Open | |
| 722 | Benjamin Robinson | 53.77 | 9 | B Min | BB: 49.29 (+4.48s | 8.3%) | Neptune Swimming | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 723 | Grayson Julien | 53.78 | 9 | B Min | BB: 49.29 (+4.49s | 8.3%) | South Valley Makos | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 724 | Joon Cha | 53.78 | 8 | B Min | BB: 49.29 (+4.49s | 8.3%) | Sunnyvale Swim Club | 06/27/2025 | Silicon Valley LC CBA+ Meet | |
| 725 | Will Casley | 53.78 | 10 | B Min | BB: 49.29 (+4.49s | 8.3%) | Sebastopol Sea Serpents | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 726 | Riaan Chandak | 53.79 | 9 | B Min | BB: 49.29 (+4.50s | 8.4%) | Milpitas Aquatic Club | 05/23/2025 | Zone 1 South May Firecracker 500 | |
| 727 | Damon Shao | 53.80 | 8 | B Min | BB: 49.29 (+4.51s | 8.4%) | Alto Swim Club | 07/19/2025 | Alto Last Splash | |
| 728 | Luca Moyes | 53.82 | 8 | B Min | BB: 49.29 (+4.53s | 8.4%) | Lake Oswego Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 729 | Connor Osborne | 53.84 | 9 | B Min | BB: 49.29 (+4.55s | 8.5%) | Prineville Swim Team | 07/25/2025 | 2025 OR East Cascade Season Finale | |
| 730 | Nicholas Mosendz | 53.84 | 8 | B Min | BB: 49.29 (+4.55s | 8.5%) | Santa Clara Swim Club | 05/25/2024 | SCSC Pacific Swimming Long Course Intrasquad | |
| 731 | Charles Zheng | 53.85 | 9 | B Min | BB: 49.29 (+4.56s | 8.5%) | California Dolphins Swim Team | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 732 | Harrison Tian | 53.89 | 8 | B Min | BB: 49.29 (+4.60s | 8.5%) | San Ramon Valley Aquatics | 06/07/2025 | Orinda Aquatics LC C B BB+ Meet | |
| 733 | Felix Henaire | 53.89 | 10 | B Min | BB: 49.29 (+4.60s | 8.5%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 734 | Garrett Legg | 53.92 | 7 | B Min | BB: 49.29 (+4.63s | 8.6%) | Pleasanton Seahawks | 06/07/2025 | 2025 06 07 CDST LC C B BB+ Meet | |
| 735 | Justin Chi | 53.95 | 8 | B Min | BB: 49.29 (+4.66s | 8.6%) | DeAnza Cupertino Aquatics | 06/06/2025 | 2025 DACA LC CBA+ Meet | |
| 736 | Zhencheng Xu | 53.96 | 9 | B Min | BB: 49.29 (+4.67s | 8.7%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
| 737 | Maxen Cao | 54.00 | 8 | B Min | BB: 49.29 (+4.71s | 8.7%) | Otter Swim Club | 05/17/2025 | 2025 LAMV SCM C B A+ | |
| 738 | Everett Merrill | 54.00 | 7 | B Min | BB: 49.29 (+4.71s | 8.7%) | Lake Oswego Swim Club | 05/02/2025 | 2025 THSC Spring Invitational | |
| 739 | Owen Busch | 54.00 | 10 | B Min | BB: 49.29 (+4.71s | 8.7%) | Lewis Clark Neptune Swim Team | 01/16/2026 | 2026 Hells Canyon Invitational | |
| 740 | Lucas Pisoni | 54.01 | 10 | B Min | BB: 49.29 (+4.72s | 8.7%) | Neptune Swimming | 05/17/2025 | Neptune Swimming May Long Course Meet | |
| 741 | Charles Tan | 54.02 | 9 | B Min | BB: 49.29 (+4.73s | 8.8%) | Eastside Aquatic Swim Team | 07/11/2025 | 2025 THSC Summer Classic | |
| 742 | Julian Kreth | 54.03 | 7 | B Min | BB: 49.29 (+4.74s | 8.8%) | Tualatin Hills Swim Club | 06/06/2025 | 2025 THSC June Invitational | |
| 743 | Luke Song | 54.04 | 9 | B Min | BB: 49.29 (+4.75s | 8.8%) | Tri-city Channel Cats | 06/06/2025 | 2025 TRI CITY INVITATIONAL | |
| 744 | Deniz Gokbulut | 54.08 | 9 | B Min | BB: 49.29 (+4.79s | 8.9%) | Pro Swimming | 05/16/2025 | 2025 PN IST Sockeye Springtime Madness | |
| 745 | Beckett Rossi | 54.08 | 8 | B Min | BB: 49.29 (+4.79s | 8.9%) | Bishop Swim Team | 07/12/2025 | 2025 Silver State Championships | |
| 746 | Bo Bamford | 54.09 | 8 | B Min | BB: 49.29 (+4.80s | 8.9%) | Portland Aquatic Club | 05/30/2025 | LA OPEN 2025 | |
| 747 | Micah Connell | 54.11 | 9 | B Min | BB: 49.29 (+4.82s | 8.9%) | Quicksilver Swimming | 06/12/2024 | Zone 1S Micro Meet (Host QSS) | |
| 748 | Tony Chen | 54.12 | 10 | B Min | BB: 49.29 (+4.83s | 8.9%) | Wave Aquatics | 07/18/2025 | 2025 PN Chinook Age Group Seattle Open | |
| 749 | William Chen | 54.13 | 9 | B Min | BB: 49.29 (+4.84s | 8.9%) | Rancho San Dieguito | 07/11/2025 | 2025 SI SDSA All Ages NTS Meet | |
| 750 | Zaddik Fan | 54.15 | 9 | B Min | BB: 49.29 (+4.86s | 9.0%) | Alto Swim Club | 04/19/2025 | Alto Spring Jam Meet | |
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.