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 | |
|---|---|---|---|---|---|---|---|---|---|
| 901 | Jacob Ahnen | 50.21 | 9 | B Min | BB: 47.69 (+2.52s | 5.0%) | Denver Swim Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 902 | Aiden Zhang | 50.22 | 8 | B Min | BB: 47.69 (+2.53s | 5.0%) | Olympic Cascade Aquatics | 01/18/2026 | 2026 PN BC Snowflake Classic Invite Approved | |
| 903 | Miles Wood | 50.23 | 9 | B Min | BB: 47.69 (+2.54s | 5.1%) | Dart Swimming | 02/07/2025 | 2025 PSL Super Finals Invitational | |
| 904 | Julian Brown | 50.23 | 10 | B Min | BB: 47.69 (+2.54s | 5.1%) | Razor Aquatics | 12/12/2025 | OLY Swimming Holiday Bowl | |
| 905 | Amar Alwattar | 50.23 | 10 | B Min | BB: 47.69 (+2.54s | 5.1%) | Montclair Swim Team | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 906 | Alden Harris | 50.23 | 10 | B Min | BB: 47.69 (+2.54s | 5.1%) | SlipStream Aquatics | 01/23/2026 | 2026 CO FAST Winter Open | |
| 907 | Xavier Hu | 50.27 | 8 | B Min | BB: 47.69 (+2.58s | 5.1%) | Brea Aquatics | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 908 | Rhys Beyeler-Evans | 50.28 | 10 | B Min | BB: 47.69 (+2.59s | 5.2%) | Piedmont Swim Team | 05/17/2026 | Montclair 14 Under Short Course Pentathlon | |
| 909 | Eastok Ilic | 50.28 | 10 | B Min | BB: 47.69 (+2.59s | 5.2%) | Bulldog Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 910 | Kolten Graver | 50.28 | 10 | B Min | BB: 47.69 (+2.59s | 5.2%) | Life Time Colorado Swim Club | 04/25/2026 | 2026 CO COSA Spring SC Kick Off | |
| 911 | William Foster | 50.31 | 10 | B Min | BB: 47.69 (+2.62s | 5.2%) | Wave Aquatics | 03/28/2026 | 2026 PN Spring Showdown, Div 4 Approved | |
| 912 | Caleb Nguyen | 50.32 | 9 | B Min | BB: 47.69 (+2.63s | 5.2%) | Form Swim Team | 03/06/2026 | 2026 CO 14 U Silver State | |
| 913 | Max Bookstein | 50.34 | 10 | B Min | BB: 47.69 (+2.65s | 5.3%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 914 | Matthew Merz | 50.35 | 9 | B Min | BB: 47.69 (+2.66s | 5.3%) | Los Gatos Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 915 | Ryan Hu | 50.36 | 8 | B Min | BB: 47.69 (+2.67s | 5.3%) | Wave Aquatics | 10/18/2025 | 2025 PN VAST Fall Classic | |
| 916 | Liam O'Brien | 50.37 | 9 | B Min | BB: 47.69 (+2.68s | 5.3%) | Walnut Creek Aquabears | 11/15/2024 | Pacific Swimming SCY B BB+ Last Chance Meet | |
| 917 | James McAlister | 50.37 | 10 | B Min | BB: 47.69 (+2.68s | 5.3%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | |
| 918 | Yuchen Zhou | 50.37 | 10 | B Min | BB: 47.69 (+2.68s | 5.3%) | Eastside Aquatic Swim Team | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | |
| 919 | Jack Geffen | 50.38 | 10 | B Min | BB: 47.69 (+2.69s | 5.3%) | North Coast Aquatics | 04/11/2026 | SI 2026 RSD All Ages BC Meet | |
| 920 | Henry Huang | 50.39 | 9 | B Min | BB: 47.69 (+2.70s | 5.4%) | Daly City Dolphins | 02/07/2026 | 2026 PSL Super Finals Invitational | |
| 921 | Alexander Malcomson | 50.40 | 8 | B Min | BB: 47.69 (+2.71s | 5.4%) | Bellevue Club Swim Team | 01/18/2026 | 2026 PN BC Snowflake Classic Invite Approved | |
| 922 | Ethan Park | 50.40 | 8 | B Min | BB: 47.69 (+2.71s | 5.4%) | Unattached | 03/28/2026 | Swim South Bay | |
| 923 | Noah Godfrey | 50.40 | 10 | B Min | BB: 47.69 (+2.71s | 5.4%) | Life Time Oregon Swim Team | 02/07/2026 | 2026 OR HEAT BC Blastoff | |
| 924 | Ryan Hamby | 50.40 | 9 | B Min | BB: 47.69 (+2.71s | 5.4%) | Palo Alto Stanford Aquatics | 01/24/2026 | 2026 Zone 1 North Championships | |
| 925 | Bennett Burtz | 50.40 | 9 | B Min | BB: 47.69 (+2.71s | 5.4%) | CAC Stingrays Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | |
| 926 | Zander Flores | 50.43 | 8 | B Min | BB: 47.69 (+2.74s | 5.4%) | Alameda Gators | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | |
| 927 | Hanhui Mei | 50.44 | 10 | B Min | BB: 47.69 (+2.75s | 5.5%) | Pacific Dragons Swim Team | 03/07/2026 | 2026 PDST Mar Pentathlon Last Chance Approved | |
| 928 | Dominic Welch | 50.44 | 10 | B Min | BB: 47.69 (+2.75s | 5.5%) | Rogue Rapids | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 929 | Jordan Chan | 50.44 | 9 | B Min | BB: 47.69 (+2.75s | 5.5%) | Daly City Dolphins | 12/14/2024 | 2024 DCD Winter Holiday Spalsh | |
| 930 | Sebastian Lam | 50.45 | 8 | B Min | BB: 47.69 (+2.76s | 5.5%) | Bellevue Club Swim Team | 03/06/2026 | 2026 BBST Seize The Day Invitational | |
| 931 | Cylus Hageman | 50.46 | 10 | B Min | BB: 47.69 (+2.77s | 5.5%) | SlipStream Aquatics | 03/06/2026 | 2026 CO 14 U Silver State | |
| 932 | Shaan Chenam | 50.46 | 9 | B Min | BB: 47.69 (+2.77s | 5.5%) | Aquazot Swim Club | 11/21/2025 | 2025 CA MVN Turkey Classic | |
| 933 | Tiago Origel | 50.46 | 9 | B Min | BB: 47.69 (+2.77s | 5.5%) | Swim Neptune | 12/04/2025 | 2025 Holiday Swim Festival | |
| 934 | Aiden Hu | 50.47 | 10 | B Min | BB: 47.69 (+2.78s | 5.5%) | Alto Swim Club | 02/07/2026 | Alto Feb 7 8 CBA Valentines Day | |
| 935 | Andrew Xu | 50.48 | 8 | B Min | BB: 47.69 (+2.79s | 5.5%) | Wasatch Front Fish Market | 12/10/2025 | WFFM December Developmental | |
| 936 | Theodore Neese | 50.49 | 10 | B Min | BB: 47.69 (+2.80s | 5.5%) | Bend Swim Club | 11/21/2025 | 2025 Rogue Rapids Sofia Marks Invitational | |
| 937 | Esteban Trogkanis | 50.50 | 10 | B Min | BB: 47.69 (+2.81s | 5.6%) | Sunnyvale Swim Club | 03/28/2026 | LAMV C B A+ Meet | |
| 938 | Artur Szabo | 50.50 | 10 | B Min | BB: 47.69 (+2.81s | 5.6%) | Maui Dolphins Swim Club | 03/07/2026 | 2026 HI Junior Age Group SCY Championship | |
| 939 | Julian Polito | 50.50 | 10 | B Min | BB: 47.69 (+2.81s | 5.6%) | Corvallis Aquatic Team | 12/13/2025 | 2025 OR HEAT Winter Invitational | |
| 940 | Hohyeon Cho | 50.51 | 10 | B Min | BB: 47.69 (+2.82s | 5.6%) | Santa Clara Swim Club | 11/14/2025 | 2025 Santa Clara Swim Club SC CBA Meet | |
| 941 | Ronan Price | 50.52 | 10 | B Min | BB: 47.69 (+2.83s | 5.6%) | Life Time Colorado Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 942 | Adam Alqaqaa | 50.52 | 10 | B Min | BB: 47.69 (+2.83s | 5.6%) | Front Range Barracudas | 01/16/2026 | 2026 CO CUDA Classic | |
| 943 | Maddox Merz | 50.55 | 9 | B Min | BB: 47.69 (+2.86s | 5.7%) | Los Gatos Swim Club | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | |
| 944 | Samuel Le | 50.56 | 9 | B Min | BB: 47.69 (+2.87s | 5.7%) | Valley Splash | 02/28/2026 | Swim South Bay | |
| 945 | Noah Aylesworth | 50.56 | 10 | B Min | BB: 47.69 (+2.87s | 5.7%) | Wind N Sea Swim Team | 08/02/2025 | 2025 SI WIND All Ages NTS Wrap Up Meet | |
| 946 | Jack Farnsworth | 50.56 | 9 | B Min | BB: 47.69 (+2.87s | 5.7%) | Aces Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 947 | Jirui Dong | 50.57 | 8 | B Min | BB: 47.69 (+2.88s | 5.7%) | Alto Swim Club | 03/07/2026 | DACA CBA Meet | |
| 948 | Callan Purcell | 50.57 | 10 | B Min | BB: 47.69 (+2.88s | 5.7%) | Life Time Colorado Swim Club | 03/06/2026 | 2026 CO 14 U Silver State | |
| 949 | Wade Eybs | 50.60 | 9 | B Min | BB: 47.69 (+2.91s | 5.8%) | Denver Swim Academy | 03/06/2026 | 2026 CO 14 U Silver State | |
| 950 | Theodore Puscas | 50.60 | 9 | B Min | BB: 47.69 (+2.91s | 5.8%) | Issaquah Swim Team | 11/15/2025 | 2025 PN IST November Invitational | |
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.