Western Zone Zone Boys 10 & under - 50 Y Free
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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3101 | Charlie Oconnor | 47.89 | 10 | B: 38.19 (+9.70s | 20.3%) | Pacifica Sea Lions | 11/14/2025 | PSL Pumpkin Spice Lovers 25 129 | ||
| 3102 | Ari Theobald-Anderson | 47.90 | 10 | B: 38.19 (+9.71s | 20.3%) | Montclair Swim Team | 11/01/2025 | Kati McDermott Memorial Fall Jamboree Invite | ||
| 3103 | Zhaoyang Tan | 47.90 | 8 | B: 38.19 (+9.71s | 20.3%) | San Ramon Valley Aquatics | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | ||
| 3104 | Bronson Bruland | 47.90 | 10 | B: 38.19 (+9.71s | 20.3%) | Mlst | 06/14/2025 | Bishop Invitational 2025 | ||
| 3105 | Tate Schmidt | 47.91 | 9 | B: 38.19 (+9.72s | 20.3%) | Tule Nation Tritons | 12/07/2024 | TNT Winterfest ABC Swim Meet | ||
| 3106 | Daniel Martinez de Lira | 47.92 | 9 | B: 38.19 (+9.73s | 20.3%) | Quicksilver Swimming | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 3107 | Brayden Kramer | 47.94 | 8 | B: 38.19 (+9.75s | 20.3%) | Fort Collins Area Swim Team | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | ||
| 3108 | Sharvin Tummala | 47.95 | 9 | B: 38.19 (+9.76s | 20.4%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | ||
| 3109 | Ethan Wei | 47.96 | 6 | B: 38.19 (+9.77s | 20.4%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | ||
| 3110 | Kayden Bell | 47.96 | 10 | B: 38.19 (+9.77s | 20.4%) | Utah Valley Aquatics | 11/12/2025 | 2025 UVRays November Intrasquad | ||
| 3111 | Calvin Wilson | 47.98 | 10 | B: 38.19 (+9.79s | 20.4%) | Seattle Metropolitan Aquatic C | 02/08/2026 | 2026 PN SMAC February Mini Meet Approved | ||
| 3112 | Julian Garcia Galvan | 47.99 | 9 | B: 38.19 (+9.80s | 20.4%) | Central Coast Swim Club | 02/08/2026 | 2026 AAA SC Final Countdown Open | ||
| 3113 | August Justus | 47.99 | 9 | B: 38.19 (+9.80s | 20.4%) | Mission Aurora Colorado Swimmi | 01/03/2026 | 2026 CO MACS Winter Invitationak | ||
| 3114 | Adam ElGuindy | 48.00 | 10 | B: 38.19 (+9.81s | 20.4%) | Wind N Sea Swim Team | 08/02/2025 | 2025 SI WIND All Ages NTS Wrap Up Meet | ||
| 3115 | Lennox Montz | 48.00 | 9 | B: 38.19 (+9.81s | 20.4%) | Kona Dolphins Swim Club | 11/08/2025 | BIG ISLAND SWIMMING @ KCAC | ||
| 3116 | Zaraan Fawz | 48.00 | 11 | B: 38.19 (+9.81s | 20.4%) | Milpitas Aquatic Club | 09/27/2025 | 2025 MAC Season Kick Off | ||
| 3117 | Ezra Schultz | 48.00 | 8 | B: 38.19 (+9.81s | 20.4%) | CAC Stingrays Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | ||
| 3118 | Tianyi Ma | 48.01 | 9 | B: 38.19 (+9.82s | 20.5%) | Chinook Aquatic Club | 01/18/2026 | 2026 PN BC Snowflake Classic Invite Approved | ||
| 3119 | Zachary Zhao | 48.01 | 9 | B: 38.19 (+9.82s | 20.5%) | Seattle Metropolitan Aquatic C | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | ||
| 3120 | Winston Qiao | 48.01 | 8 | B: 38.19 (+9.82s | 20.5%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | ||
| 3121 | Vincent Zeng | 48.03 | 8 | B: 38.19 (+9.84s | 20.5%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | ||
| 3122 | Christian Ghio | 48.04 | 10 | B: 38.19 (+9.85s | 20.5%) | Heartland Swim Assoc | 11/02/2025 | 2025 SI SEA Rising Stars Series Meet 1 | ||
| 3123 | Daeton Scott | 48.04 | 10 | B: 38.19 (+9.85s | 20.5%) | Lehi Aquatics | 06/25/2025 | 2025 UT HAST RWB Mini Meet | ||
| 3124 | Maverick Veague | 48.04 | 8 | B: 38.19 (+9.85s | 20.5%) | Cali Piranha Swim Team | 04/11/2026 | 2026 SI FAST BC All Ages | ||
| 3125 | Lehai Li | 48.04 | 10 | B: 38.19 (+9.85s | 20.5%) | Alto Swim Club | 01/13/2024 | South San Francisco C B A+ | ||
| 3126 | Carter Vizcarra | 48.05 | 9 | B: 38.19 (+9.86s | 20.5%) | Neptune Swimming | 12/13/2024 | Neptune Swimming Swim Like The Dickens | ||
| 3127 | Oliver Garcia | 48.06 | 10 | B: 38.19 (+9.87s | 20.5%) | Four Corners Aquatic Team | 04/25/2025 | 2025 CO DGO Jolean Scott Memorial | ||
| 3128 | Deacon Kendall | 48.07 | 9 | B: 38.19 (+9.88s | 20.6%) | Lehi Aquatics | 12/13/2025 | 2025 UTAH Winter Classic | ||
| 3129 | Makaio Ham | 48.08 | 9 | B: 38.19 (+9.89s | 20.6%) | Maui Swim Club | 05/16/2026 | 2026 MAGSA 12 U ABC And Special Olympics Meet | ||
| 3130 | Oliver Brown | 48.09 | 7 | B: 38.19 (+9.90s | 20.6%) | Lewis Clark Neptune Swim Team | 02/13/2026 | (Pullman) 2026 IES Jr Champs | ||
| 3131 | Josh Lu | 48.09 | 10 | B: 38.19 (+9.90s | 20.6%) | Wave Aquatics | 06/20/2025 | 2025 PN SRST StingRay Invitational | ||
| 3132 | Anders Nordlund | 48.10 | 10 | B: 38.19 (+9.91s | 20.6%) | Cascade Swim Club | 01/25/2025 | 2025 PN CSC January Mini Meet | ||
| 3133 | Victor Barbosa | 48.10 | 8 | B: 38.19 (+9.91s | 20.6%) | Portland Aquatic Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | ||
| 3134 | Aiden Xu | 48.12 | 8 | B: 38.19 (+9.93s | 20.6%) | Northern Nevada Aquatics | 03/14/2026 | 2026 NNA AGO | ||
| 3135 | Logan Jenkins | 48.14 | 10 | B: 38.19 (+9.95s | 20.7%) | Northglenn Fusion Swim Club | 02/01/2026 | 2026 CO FORM February Freeze | ||
| 3136 | Lev Petrov | 48.14 | 10 | B: 38.19 (+9.95s | 20.7%) | Santa Cruz Swimming | 01/24/2025 | 2025 Brian Malick Memorial Z1S Championships | ||
| 3137 | Orest Poskachei | 48.14 | 9 | B: 38.19 (+9.95s | 20.7%) | Storm Aquatics Swim Team | 04/18/2026 | 2026 PN MMSC Marlins Madness Approved | ||
| 3138 | Oscar Deans | 48.14 | 9 | B: 38.19 (+9.95s | 20.7%) | Richmond Sailfish | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | ||
| 3139 | Pi Cheng | 48.14 | 10 | B: 38.19 (+9.95s | 20.7%) | Los Altos Mountain View Aquati | 03/28/2026 | LAMV C B A+ Meet | ||
| 3140 | Julian Kimball | 48.15 | 10 | B: 38.19 (+9.96s | 20.7%) | Kearns Youth Aquatic Team | 12/27/2024 | 59th Holiday Open 2024 C Meet | ||
| 3141 | Isaiah Hui | 48.15 | 8 | B: 38.19 (+9.96s | 20.7%) | Tualatin Hills Swim Club | 05/16/2026 | 2026 John DeRoest Sextathlon Swim Meet | ||
| 3142 | Ryder Schultz | 48.15 | 9 | B: 38.19 (+9.96s | 20.7%) | Reno Aquatic Club | 03/14/2026 | 2026 NNA AGO | ||
| 3143 | Charles Li | 48.15 | 9 | B: 38.19 (+9.96s | 20.7%) | South San Francisco Aquatics | 10/11/2025 | SSF October Splash C B A+ Meet | ||
| 3144 | Filip Sapazhkou | 48.16 | 8 | B: 38.19 (+9.97s | 20.7%) | Swim Lake City Legends | 12/29/2025 | 60th Holiday Open 2025 C Meet | ||
| 3145 | Niko Tyler | 48.17 | 8 | B: 38.19 (+9.98s | 20.7%) | Hills Hurricane Swimming | 02/28/2026 | VJO Rep The Bay C B A+ 2026 Copied | ||
| 3146 | Nathan Moyer | 48.18 | 8 | B: 38.19 (+9.99s | 20.7%) | Seattle Metropolitan Aquatic C | 03/28/2026 | 2026 PN Spring Showdown, Div 2 Approved | ||
| 3147 | Bryson Baez | 48.18 | 6 | B: 38.19 (+9.99s | 20.7%) | Livermore AquaCowboys | 09/27/2025 | PC LAC C B BB | ||
| 3148 | Jaxon Legarte | 48.19 | 9 | B: 38.19 (+10.00s | 20.8%) | East Bay Silver Dolphins | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | ||
| 3149 | Cohen Gould | 48.20 | 8 | B: 38.19 (+10.01s | 20.8%) | Pikes Peak Athletics | 07/11/2025 | 2025 CO AP Rocky Mountain State Games | ||
| 3150 | Leo Tung | 48.21 | 10 | B: 38.19 (+10.02s | 20.8%) | Canyons Aquatic Club | 10/25/2025 | CANY Harry Potter 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.