Western Zone Zone Boys 10 & under - 50 Y Breast

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 Kai Mihov 47.95 10 B Min BB: 47.69 (+0.26s | 0.5%) Palo Alto Stanford Aquatics 02/13/2026 2026 Neptune Swimming Invitational
702 Archer Klosterman 47.98 9 B Min BB: 47.69 (+0.29s | 0.6%) Aurora Swim Team 11/21/2025 NLSC Sprint Classic
703 Brooks Poshusta 47.99 10 B Min BB: 47.69 (+0.30s | 0.6%) Eastmont 01/31/2026 2026 Winter Open
25 Breast
22.39
22.39
50 Breast
25.60
47.99
50 Breast
47.99
704 Milo Lanigan 47.99 10 B Min BB: 47.69 (+0.30s | 0.6%) Pikes Peak Athletics 01/10/2026 2026 CO PPA January Meet
705 Henry Fredericks 47.99 8 B Min BB: 47.69 (+0.30s | 0.6%) COSA Swimming 01/23/2026 2026 CO TOPS Colorado Open
25 Breast
23.89
23.89
50 Breast
24.10
47.99
50 Breast
47.99
706 Parker Bettis 48.00 10 B Min BB: 47.69 (+0.31s | 0.6%) Nampa Swim Team 11/22/2025 57th Annual Thanksgiving Invitational
707 Kaito Kinnaird 48.00 10 B Min BB: 47.69 (+0.31s | 0.6%) Excel Aquatics 12/05/2025 2025 Beaman Toyota Meet Of Champs
708 Nguyen Tran 48.00 8 B Min BB: 47.69 (+0.31s | 0.6%) Olympic Cascade Aquatics 01/24/2026 2026 PN PDST Winter Invitational Meet Approv
709 Henry Moore 48.00 8 B Min BB: 47.69 (+0.31s | 0.6%) Ladera Oaks 11/15/2025 Alto Nov 15 16 Fall Frolic
710 Augustus Pape 48.00 10 B Min BB: 47.69 (+0.31s | 0.6%) Sparks Piranhas Swim Team 10/17/2025 2025 KING OF THE HILL CHALLENGE
711 Ryan Li 48.03 10 B Min BB: 47.69 (+0.34s | 0.7%) Quicksilver Swimming 01/16/2026 2026 Brian Malick Memorial Z1S Championships
712 Bennet Kelly 48.07 9 B Min BB: 47.69 (+0.38s | 0.8%) Gold Medal Swim Club 02/14/2025 33rd Annual Lost Dutchman Invitational
713 George Li 48.07 8 B Min BB: 47.69 (+0.38s | 0.8%) Bellevue Club Swim Team 01/31/2026 2026 PN BISC Bluefin Invitational
714 Isaac Song 48.07 8 B Min BB: 47.69 (+0.38s | 0.8%) Coronado Swim -team Elite 01/31/2026 2026 SBA All Ages NTS Meet
715 Rylan Brill 48.07 9 B Min BB: 47.69 (+0.38s | 0.8%) CAC Stingrays Swim Team 02/01/2026 2026 CO FORM February Freeze
716 Olivier Thomasson 48.09 10 B Min BB: 47.69 (+0.40s | 0.8%) Montclair Swim Team 05/18/2025 Montclair 14 Under Short Course Pentathlon
717 Aidan Woods 48.10 10 B Min BB: 47.69 (+0.41s | 0.9%) Fort Collins Area Swim Team 07/09/2025 2025 CO NCS 10 U Summer Festival
718 Toby Wong 48.12 10 B Min BB: 47.69 (+0.43s | 0.9%) Quicksilver Swimming 04/26/2025 Pacific Swimming 10 Under SC Championships
719 Julius Weinstein 48.12 9 B Min BB: 47.69 (+0.43s | 0.9%) Rancho Family YMCA 10/11/2025 2025 SI RSD All Ages B C Meet
720 Edward Uvejzovic 48.12 9 B Min BB: 47.69 (+0.43s | 0.9%) Olympus Aquatics 12/13/2025 2025 UTAH Winter Classic
721 Jun Lin 48.15 7 B Min BB: 47.69 (+0.46s | 1.0%) Seattle Metropolitan Aquatic C 01/17/2026 2026 PN SMAC Winter Invitational Approved
722 Kenneth Zhang 48.17 8 B Min BB: 47.69 (+0.48s | 1.0%) Santa Clara Swim Club 11/14/2025 2025 Santa Clara Swim Club SC CBA Meet
723 Richard Merpi 48.18 11 B Min BB: 47.69 (+0.49s | 1.0%) Aces Swim Club 01/23/2026 2026 CO TOPS Colorado Open
724 Joon Cha 48.18 9 B Min BB: 47.69 (+0.49s | 1.0%) Sunnyvale Swim Club 01/24/2026 2026 Zone 1 North Championships
725 Zachary DeLozier 48.18 8 B Min BB: 47.69 (+0.49s | 1.0%) Lake Oswego Swim Club 08/02/2025 Mallard Nation Invitational
726 Kai Vo 48.18 9 B Min BB: 47.69 (+0.49s | 1.0%) Splash Aquatics 12/06/2025 45th Annual Ken Suenaga Invitational (SCY)
727 Zerui Deng 48.20 10 B Min BB: 47.69 (+0.51s | 1.1%) Irvine Novaquatics 12/12/2025 2025 CA SCS SCAT WAG
728 Conrad Shwe 48.20 7 B Min BB: 47.69 (+0.51s | 1.1%) Clovis Swim Club 02/14/2025 2025 CCS SCY AGC
729 Hampton Hamrick 48.22 9 B Min BB: 47.69 (+0.53s | 1.1%) Tornadoes Swim Team 10/10/2025 2025 OR HEAT Fall Invitational
730 River Wilkinson 48.22 9 B Min BB: 47.69 (+0.53s | 1.1%) North Coast Aquatics 01/31/2026 2026 SI HSA All Ages NTS Meet
731 Asher Amira 48.22 10 B Min BB: 47.69 (+0.53s | 1.1%) Chinook Aquatic Club 10/18/2025 2025 PN IST Fall Open
732 Alexandru Varga 48.23 10 B Min BB: 47.69 (+0.54s | 1.1%) Terrapins Swim Team 01/31/2026 Zone 2 Winter Championship Meet
733 Matthew Chen 48.30 10 B Min BB: 47.69 (+0.61s | 1.3%) California Dolphins Swim Team 01/31/2026 Zone 2 Winter Championship Meet
734 Cole Proescher 48.30 9 B Min BB: 47.69 (+0.61s | 1.3%) Orinda Aquatics 01/31/2026 Zone 2 Winter Championship Meet
735 Gray Gilman 48.31 10 B Min BB: 47.69 (+0.62s | 1.3%) Olympus Aquatics 12/18/2025 2025 OA IMR II Copied
736 Jeremy Lyu 48.32 9 B Min BB: 47.69 (+0.63s | 1.3%) Wave Aquatics 11/22/2025 2025 PN Nov AGI, Division 2 (SMAC)
737 Norne Fang 48.32 7 B Min BB: 47.69 (+0.63s | 1.3%) Milpitas Aquatic Club 09/27/2025 2025 MAC Season Kick Off
738 Brendan Ma 48.32 9 B Min BB: 47.69 (+0.63s | 1.3%) Orinda Aquatics 02/13/2026 2026 Neptune Swimming Invitational
739 Zixin Cheng 48.35 9 B Min BB: 47.69 (+0.66s | 1.4%) Quicksilver Swimming 01/16/2026 2026 Brian Malick Memorial Z1S Championships
740 Charlie Griffin 48.35 10 B Min BB: 47.69 (+0.66s | 1.4%) Issaquah Swim Team 11/22/2025 2025 PN November AGI, Div 3 (UPAC)
741 Noah Wu 48.37 10 B Min BB: 47.69 (+0.68s | 1.4%) Palo Alto Stanford Aquatics 12/20/2025 2025 PASA Winter Frolic Meet @ PALY HS
742 Blake Gibbs 48.38 9 B Min BB: 47.69 (+0.69s | 1.4%) Bellevue Club Swim Team 10/12/2024 2024 PN CSC Fall Classic Invitational
743 Oliver Morrison 48.38 10 B Min BB: 47.69 (+0.69s | 1.4%) Palo Alto Stanford Aquatics 01/24/2026 2026 Zone 1 North Championships
744 Thomas Cooke 48.39 7 B Min BB: 47.69 (+0.70s | 1.4%) Aptos Cabrillo Swim Club 11/15/2024 MBSC GSMY Z1S Race To AGC C B A+
745 Andres Velazquez 48.39 9 B Min BB: 47.69 (+0.70s | 1.4%) Pro Swimming 01/23/2026 2026 PN Pro January Intrasquad Approved
746 Jason Buhr 48.40 9 B Min BB: 47.69 (+0.71s | 1.5%) Pikes Peak Athletics 12/12/2025 2025 CO FAST Bill Spahn Mid Season Finale
747 Shuyi Tan 48.41 8 B Min BB: 47.69 (+0.72s | 1.5%) Issaquah Swim Team 02/07/2026 2026 PN IST Feb Winter Invitational Approved
748 Zachary Bobowski 48.43 9 B Min BB: 47.69 (+0.74s | 1.5%) Lake Oswego 02/15/2025 2025 OR HS 6A 5
749 Watson She 48.43 9 B Min BB: 47.69 (+0.74s | 1.5%) Bellevue Club Swim Team 01/31/2026 2026 PN BISC Bluefin Invitational
750 Benjamin Barco 48.44 9 B Min BB: 47.69 (+0.75s | 1.5%) Portland Aquatic Club 10/17/2025 2025 THSC Fall Open

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.