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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3301 | Yuxiu Cheng | 47.89 | 7 | B: 38.19 (+9.70s | 20.3%) | Bellevue Club Swim Team | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | ||
| 3302 | 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 | ||
| 3303 | Zhaoyang Tan | 47.90 | 9 | B: 38.19 (+9.71s | 20.3%) | San Ramon Valley Aquatics | 02/20/2026 | Pacific Swim SCY C B BB+ Meet Hosted By TERA | ||
| 3304 | Tate Schmidt | 47.91 | 9 | B: 38.19 (+9.72s | 20.3%) | Tule Nation Tritons | 12/07/2024 | TNT Winterfest ABC Swim Meet | ||
| 3305 | Ajay Amin | 47.91 | 9 | B: 38.19 (+9.72s | 20.3%) | Swim South Bay | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | ||
| 3306 | 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 | ||
| 3307 | Austin Moon | 47.92 | 9 | B: 38.19 (+9.73s | 20.3%) | Seattle Metropolitan Aquatic C | 10/16/2026 | 2026 PN VAST Fall Classic Invite Approved | ||
| 3308 | 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 | ||
| 3309 | Aditya Sharma | 47.95 | 10 | B: 38.19 (+9.76s | 20.4%) | Wave Aquatics | 10/03/2026 | 2026 PN Wave Rocktober Invitational Approved | ||
| 3310 | Sharvin Tummala | 47.95 | 10 | B: 38.19 (+9.76s | 20.4%) | California Dolphins Swim Team | 03/28/2026 | PC CDST SC C B BB+ Meet | ||
| 3311 | Callum Long | 47.95 | 7 | B: 38.19 (+9.76s | 20.4%) | Bend Swim Club | 10/10/2026 | Bend Swim Club High Desert Classic | ||
| 3312 | Kayden Bell | 47.96 | 10 | B: 38.19 (+9.77s | 20.4%) | Utah Valley Aquatics | 11/12/2025 | 2025 UVRays November Intrasquad | ||
| 3313 | Ethan Wei | 47.96 | 6 | B: 38.19 (+9.77s | 20.4%) | Santa Clara Swim Club | 03/28/2026 | Swim South Bay | ||
| 3314 | Rowan Romero | 47.96 | 10 | B: 38.19 (+9.77s | 20.4%) | Falfins Swimming | 09/26/2026 | 2026 CO Falfins Short Course Series #1 | ||
| 3315 | Matteo Balzarini | 47.96 | 8 | B: 38.19 (+9.77s | 20.4%) | Valley Aquatics | 10/24/2026 | 2026 PN VAST Fall Frenzy Approved | ||
| 3316 | Willard Cui | 47.97 | 9 | B: 38.19 (+9.78s | 20.4%) | Palo Alto Stanford Aquatics | 07/10/2026 | Sensational Summer Of 26 Block Party | ||
| 3317 | Kushal Mummidi | 47.97 | 9 | B: 38.19 (+9.78s | 20.4%) | West Coast Aquatics | 08/01/2026 | 2026 PN MMSC NCSSL Champs Approved | ||
| 3318 | Charles Congdon | 47.98 | 8 | B: 38.19 (+9.79s | 20.4%) | Roseburg Y Swim Team | 07/18/2026 | RYST Summer Open 2026 | ||
| 3319 | Maxwerll Mullen-Karlin | 47.98 | 9 | B: 38.19 (+9.79s | 20.4%) | Hills Hurricane Swimming | 07/10/2026 | Redwood Empire Swim League Championship | ||
| 3320 | Ramana Kirk | 47.99 | 9 | B: 38.19 (+9.80s | 20.4%) | Academy Swim Club | 10/03/2026 | 2026 BIG ISLAND SWIMMING | ||
| 3321 | Lennox Montz | 48.00 | 9 | B: 38.19 (+9.81s | 20.4%) | Kona Dolphins Swim Club | 11/08/2025 | BIG ISLAND SWIMMING @ KCAC | ||
| 3322 | 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 | ||
| 3323 | Zachary Zhao | 48.01 | 10 | B: 38.19 (+9.82s | 20.5%) | Seattle Metropolitan Aquatic C | 12/06/2025 | 2025 PN Fall Divisionals, Division 1 OCA | ||
| 3324 | Urvil Gathole | 48.01 | 10 | B: 38.19 (+9.82s | 20.5%) | Stingray Swim Team | 06/19/2026 | 2026 PN SRST Summer Invitational Approved | ||
| 3325 | Caystein Aquino | 48.02 | 8 | B: 38.19 (+9.83s | 20.5%) | Pearl City Aquatics | 09/13/2026 | PCA ABC Kalani SCY Meet | ||
| 3326 | Wing Chan | 48.03 | 10 | B: 38.19 (+9.84s | 20.5%) | East Bay Silver Dolphins | 09/19/2026 | East Bay Silver Dolphins Short Course C B BB+ | ||
| 3327 | Vincent Zeng | 48.03 | 9 | B: 38.19 (+9.84s | 20.5%) | Pleasanton Seahawks | 03/28/2026 | PC CDST SC C B BB+ Meet | ||
| 3328 | Gavin Lorenzen | 48.03 | 9 | B: 38.19 (+9.84s | 20.5%) | Pacific Swim | 10/04/2026 | 2026 SI ICAC 14U RISING STARS 1 | ||
| 3329 | Lehai Li | 48.04 | 10 | B: 38.19 (+9.85s | 20.5%) | Alto Swim Club | 01/13/2024 | South San Francisco C B A+ | ||
| 3330 | Arthur Ulmer | 48.04 | 9 | B: 38.19 (+9.85s | 20.5%) | Monterey Bay Swim Club | 07/24/2026 | CVAL 2026 | ||
| 3331 | Maverick Veague | 48.04 | 9 | B: 38.19 (+9.85s | 20.5%) | Cali Piranha Swim Team | 04/11/2026 | 2026 SI FAST BC All Ages | ||
| 3332 | Carter Vizcarra | 48.05 | 9 | B: 38.19 (+9.86s | 20.5%) | Neptune Swimming | 12/13/2024 | Neptune Swimming Swim Like The Dickens | ||
| 3333 | Donovan Tran | 48.05 | 10 | B: 38.19 (+9.86s | 20.5%) | Pacifica Sea Lions | 10/24/2026 | PSL Pumpkin Spice Splash | ||
| 3334 | 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 | ||
| 3335 | Anton Ivanov | 48.06 | 8 | B: 38.19 (+9.87s | 20.5%) | Jbarracudas Swim Team | 07/10/2026 | 2026 SI JBST All Ages Last Chance Meet | ||
| 3336 | Kyle Bauman | 48.06 | 8 | B: 38.19 (+9.87s | 20.5%) | Boulder Swim Team | 10/10/2026 | 2026 CO FST Swim Pink | ||
| 3337 | Deacon Kendall | 48.07 | 9 | B: 38.19 (+9.88s | 20.6%) | Lehi Aquatics | 12/13/2025 | 2025 UTAH Winter Classic | ||
| 3338 | Robert Li | 48.07 | 7 | B: 38.19 (+9.88s | 20.6%) | Olympic Cascade Aquatics | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | ||
| 3339 | Siyuan Wang | 48.07 | 7 | B: 38.19 (+9.88s | 20.6%) | Palo Alto Stanford Aquatics | 07/26/2026 | 2026 PASA Summer Palooza | ||
| 3340 | 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 | ||
| 3341 | Isaac Zhang | 48.08 | 7 | B: 38.19 (+9.89s | 20.6%) | Bayclub Aquatic Swim Team | 09/25/2026 | 2026 BAST Season Kick Off Sprint Approved | ||
| 3342 | Victor Barbosa | 48.10 | 9 | B: 38.19 (+9.91s | 20.6%) | Portland Aquatic Club | 02/21/2026 | 2026 Arena Short Course 10 U Championships | ||
| 3343 | Logan Culver | 48.10 | 10 | B: 38.19 (+9.91s | 20.6%) | North Coast Aquatics | 09/20/2026 | 2026 SI PS Freestyle Festival Sun | ||
| 3344 | Houstin Lawrence | 48.11 | 6 | B: 38.19 (+9.92s | 20.6%) | The Dalles Swim Team | 08/07/2026 | 2026 OR NST Seahorse Invitational | ||
| 3345 | Deo Scarlet | 48.12 | 9 | B: 38.19 (+9.93s | 20.6%) | Excel Aquatics | 10/23/2026 | 2026 Pumpkin Spice Splash | ||
| 3346 | Ashten Muraoka | 48.13 | 7 | B: 38.19 (+9.94s | 20.7%) | Swim Kauai Aquatics | 08/22/2026 | 19th Annual Kauai Classic | ||
| 3347 | Logan Jenkins | 48.14 | 10 | B: 38.19 (+9.95s | 20.7%) | Northglenn Fusion Swim Club | 02/01/2026 | 2026 CO FORM February Freeze | ||
| 3348 | Oscar Deans | 48.14 | 10 | B: 38.19 (+9.95s | 20.7%) | Richmond Sailfish | 03/28/2026 | Albany Armada Aquatics SC C B BB+ | ||
| 3349 | 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 | ||
| 3350 | 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 | ||
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.