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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3051 | Logan Ma | 46.96 | 9 | B: 38.19 (+8.77s | 18.7%) | East Bay Silver Dolphins | 09/13/2025 | East Bay Silver Dolphins Short Course C B BB+ | ||
| 3052 | Lincoln DeVilbiss | 46.96 | 10 | B: 38.19 (+8.77s | 18.7%) | Pacific Swim | 09/21/2025 | 2025 SI PS Freestyle Festival Sun | ||
| 3053 | William Oldham | 46.97 | 9 | B: 38.19 (+8.78s | 18.7%) | Bulldog Swim Club | 03/07/2026 | BAC Race To AGCs | ||
| 3054 | Marcus Raffetto | 46.98 | 9 | B: 38.19 (+8.79s | 18.7%) | Mission Aurora Colorado Swimmi | 01/04/2025 | 2025 CO MACS Winter Invitational | ||
| 3055 | Eric Li | 46.98 | 8 | B: 38.19 (+8.79s | 18.7%) | Pacific Dragons Swim Team | 11/16/2025 | 2025 PN PAC Q Meet | ||
| 3056 | William Yang | 46.98 | 10 | B: 38.19 (+8.79s | 18.7%) | Tualatin Hills Swim Club | 01/16/2026 | 2026 THSC 14 U Winter Showcase | ||
| 3057 | Hayden Lee | 46.98 | 9 | B: 38.19 (+8.79s | 18.7%) | Daly City Dolphins | 03/28/2026 | PSL March CBA+ | ||
| 3058 | Beriah Loomis | 46.99 | 7 | B: 38.19 (+8.80s | 18.7%) | Aulea Swim Club | 10/19/2025 | Aulea Fall Frenzy Meet | ||
| 3059 | Henry Wollman | 46.99 | 9 | B: 38.19 (+8.80s | 18.7%) | Sonoma Sea Dragons | 03/07/2026 | Napa Valley Swim Team Swimming Towards Spring | ||
| 3060 | Conrad Iloreta | 46.99 | 8 | B: 38.19 (+8.80s | 18.7%) | Palo Alto Stanford Aquatics | 10/25/2025 | TYR BAC SPOOKY FALL CLASSIC | ||
| 3061 | Hendrix Huston | 47.00 | 8 | B: 38.19 (+8.81s | 18.7%) | Ramona Swim Team | 11/02/2025 | 2025 SI ICAC RISING STARS 1 | ||
| 3062 | Jack Spinuzzi | 47.00 | 10 | B: 38.19 (+8.81s | 18.7%) | Team Vortex | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | ||
| 3063 | Quinn Carton | 47.01 | 10 | B: 38.19 (+8.82s | 18.8%) | Longmont Swim Club | 01/09/2026 | 2026 CO NJ Narwhal Invitational | ||
| 3064 | Daniel Auth | 47.02 | 9 | B: 38.19 (+8.83s | 18.8%) | Apex | 01/23/2026 | 2026 TTSC Winter Qualifier | ||
| 3065 | Zecharyah Poole | 47.02 | 10 | B: 38.19 (+8.83s | 18.8%) | Seadogs Swim Club | 02/14/2025 | 33rd Annual Lost Dutchman Invitational | ||
| 3066 | Isaac Duran | 47.03 | 10 | B: 38.19 (+8.84s | 18.8%) | Seaside Aquatic Club | 07/18/2025 | CVAL | ||
| 3067 | Evan Bird | 47.03 | 10 | B: 38.19 (+8.84s | 18.8%) | Form Swim Team | 02/02/2025 | 2025 CO FORM February Freeze | ||
| 3068 | Lorenzo Acuna Reyes | 47.03 | 10 | B: 38.19 (+8.84s | 18.8%) | Life Time Oregon Swim Team | 01/23/2026 | 2026 TTSC Winter Qualifier | ||
| 3069 | Raam Prasannakumar | 47.04 | 8 | B: 38.19 (+8.85s | 18.8%) | DeAnza Cupertino Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | ||
| 3070 | Lincoln Zhang | 47.04 | 10 | B: 38.19 (+8.85s | 18.8%) | Pro Swimming | 12/06/2025 | 2025 PN Fall Divisionals, Division 3 WAVE | ||
| 3071 | Namo Kantawee | 47.04 | 10 | B: 38.19 (+8.85s | 18.8%) | Apex | 03/08/2025 | 2025 McMinnville Season Finale Invitational | ||
| 3072 | Jack Fenstermaker | 47.04 | 9 | B: 38.19 (+8.85s | 18.8%) | Portneuf Valley Swim Team | 02/01/2025 | Igloo 2025 | ||
| 3073 | Adam Geonetta | 47.06 | 10 | B: 38.19 (+8.87s | 18.8%) | Aces Swim Club | 11/23/2024 | 2024 CO CUDA Pentathlon XXXVII | ||
| 3074 | Yash Bharambe | 47.07 | 9 | B: 38.19 (+8.88s | 18.9%) | DeAnza Cupertino Aquatics | 10/11/2025 | 2025 DACA SC CBA Meet | ||
| 3075 | Aaditya Behere | 47.07 | 8 | B: 38.19 (+8.88s | 18.9%) | Lake Oswego Swim Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | ||
| 3076 | Jose Perez | 47.10 | 10 | B: 38.19 (+8.91s | 18.9%) | Lincoln City Swim Club | 10/18/2025 | BDST Fall Invitational | ||
| 3077 | Zeke Godinez | 47.10 | 10 | B: 38.19 (+8.91s | 18.9%) | North Jeffco Swim Team | 01/10/2025 | 2025 CO NJ Pineapple Invitational | ||
| 3078 | Marco Zevallos Krones | 47.11 | 10 | B: 38.19 (+8.92s | 18.9%) | Kona Dolphins Swim Club | 11/08/2025 | BIG ISLAND SWIMMING @ KCAC | ||
| 3079 | Theo Htun | 47.13 | 9 | B: 38.19 (+8.94s | 19.0%) | Terrapins Swim Team | 10/18/2025 | PC SRVA SCY B BB+ Meet | ||
| 3080 | Niall Killian | 47.13 | 9 | B: 38.19 (+8.94s | 19.0%) | Boise Swim Club | 12/20/2025 | 2025 BY Candy Cane Invitational | ||
| 3081 | Jonathan Patterson | 47.14 | 9 | B: 38.19 (+8.95s | 19.0%) | Full Armour Swim Team | 03/08/2025 | 2025 CO Zone 5 Championships | ||
| 3082 | Nathaniel Kornfeld | 47.16 | 10 | B: 38.19 (+8.97s | 19.0%) | Swim Dogs | 03/13/2026 | Mile High Championship Invitational | ||
| 3083 | Austin Sommer | 47.18 | 8 | B: 38.19 (+8.99s | 19.1%) | San Ramon Valley Aquatics | 01/31/2026 | Zone 2 Winter Championship Meet | ||
| 3084 | Thinuj Pathirana | 47.19 | 10 | B: 38.19 (+9.00s | 19.1%) | Velocity Swimming | 12/06/2025 | 2025 IE VS Christmas Open | ||
| 3085 | Grayson Casady | 47.21 | 8 | B: 38.19 (+9.02s | 19.1%) | Aces Swim Club | 11/01/2024 | 2024 CO ACES High Point Invite | ||
| 3086 | Vincent Cai | 47.21 | 9 | B: 38.19 (+9.02s | 19.1%) | Palo Alto Stanford Aquatics | 10/26/2024 | TYR BAC Spooky Fall Classic C B A+ Meet | ||
| 3087 | Dylan Jiang | 47.23 | 9 | B: 38.19 (+9.04s | 19.1%) | Fort Collins Area Swim Team | 12/12/2025 | 2025 CO FAST Bill Spahn Mid Season Finale | ||
| 3088 | Wesley Hodgin | 47.23 | 9 | B: 38.19 (+9.04s | 19.1%) | Star Aquatics | 10/03/2025 | 2025 STAR September Friday Night At The Races | ||
| 3089 | Everett Kaiser | 47.23 | 8 | B: 38.19 (+9.04s | 19.1%) | Palo Alto Stanford Aquatics | 10/25/2025 | TYR BAC SPOOKY FALL CLASSIC | ||
| 3090 | Henry Pinkerton | 47.24 | 8 | B: 38.19 (+9.05s | 19.2%) | North Bay Aquatics | 10/11/2025 | VJO Sprint For The Golden Ticket CBA+ 2025 | ||
| 3091 | Yuriy Subbotin | 47.24 | 9 | B: 38.19 (+9.05s | 19.2%) | Palo Alto Stanford Aquatics | 02/07/2026 | PASA CBA+ SCY Meet Feb 2026 | ||
| 3092 | Marc Belenguer Torres | 47.24 | 10 | B: 38.19 (+9.05s | 19.2%) | Flatiron Athletic Club | 02/08/2025 | 2025 CO NCS 10 U Winter Spectacular | ||
| 3093 | Abhimanyu Jindal | 47.25 | 9 | B: 38.19 (+9.06s | 19.2%) | Stingray Swim Team | 11/15/2025 | 2025 PN IST November Invitational | ||
| 3094 | Arjun Mishra | 47.26 | 10 | B: 38.19 (+9.07s | 19.2%) | Wave Aquatics | 12/06/2025 | 2025 PN Fall Divisionals, Division 3 WAVE | ||
| 3095 | Ryan Shen | 47.26 | 7 | B: 38.19 (+9.07s | 19.2%) | Santa Clara Swim Club | 02/28/2026 | Swim South Bay | ||
| 3096 | Samarth Mahesh | 47.26 | 10 | B: 38.19 (+9.07s | 19.2%) | California Dolphins Swim Team | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | ||
| 3097 | Tucker Mehrhof | 47.27 | 8 | B: 38.19 (+9.08s | 19.2%) | Hood River Valley Swim Team | 02/15/2026 | 2026 OR CB Valentine Last Chance Invitational | ||
| 3098 | Samuel Perkiss | 47.28 | 8 | B: 38.19 (+9.09s | 19.2%) | Seattle Metropolitan Aquatic C | 01/17/2026 | 2026 PN SMAC Winter Invitational Approved | ||
| 3099 | Kingston Lao | 47.28 | 9 | B: 38.19 (+9.09s | 19.2%) | Daly City Dolphins | 02/07/2026 | 2026 PSL Super Finals Invitational | ||
| 3100 | Storm Houborg | 47.29 | 9 | B: 38.19 (+9.10s | 19.2%) | San Ramon Valley Aquatics | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | ||
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.