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 | |
|---|---|---|---|---|---|---|---|---|---|
| 3901 | Ronnie Chen | 52.25 | 7 | B: 38.19 (+14.06s | 26.9%) | DeAnza Cupertino Aquatics | 03/07/2026 | DACA CBA Meet | ||
| 3902 | Maxwell Johnson | 52.27 | 9 | B: 38.19 (+14.08s | 26.9%) | Lake Oswego Swim Club | 09/20/2025 | 2025 LOSC September Intrasquad 1 | ||
| 3903 | Aekagra Nagapurkar | 52.27 | 9 | B: 38.19 (+14.08s | 26.9%) | California Dolphins Swim Team | 12/05/2025 | Pacific Swim SC C B BB+ Hosted By TERA | ||
| 3904 | Noah Rambhia | 52.27 | 7 | B: 38.19 (+14.08s | 26.9%) | SACRAMENTO AQUATICS CLUB | 09/26/2026 | 2026 CCA Spook Tacular | ||
| 3905 | Gunnar Boeggeman | 52.27 | 7 | B: 38.19 (+14.08s | 26.9%) | Kona Dolphins Swim Club | 09/12/2026 | BIG ISLAND SWIMMING @ KCAC | ||
| 3906 | Jack DeAngelo | 52.29 | 10 | B: 38.19 (+14.10s | 27.0%) | Mission Aurora Colorado Swimmi | 02/14/2025 | 2025 CO LOVE Last Chance Sweetheart | ||
| 3907 | Lehan Smith | 52.29 | 9 | B: 38.19 (+14.10s | 27.0%) | SlipStream Aquatics | 03/13/2026 | Mile High Championship Invitational | ||
| 3908 | Anuj Hunnargikar | 52.29 | 9 | B: 38.19 (+14.10s | 27.0%) | Burlingame Aquatics | 03/07/2026 | BAC Race To AGCs | ||
| 3909 | Kamdyn Olson | 52.30 | 7 | B: 38.19 (+14.11s | 27.0%) | La Junta Tigersharks | 07/31/2026 | 2026 CO Scottie Aschermann Memorial | ||
| 3910 | Torin Johnson | 52.30 | 9 | B: 38.19 (+14.11s | 27.0%) | Reno Aquatic Club | 10/16/2026 | 2026 KING OF THE HILL CHALLENGE | ||
| 3911 | Stephan Panic | 52.31 | 8 | B: 38.19 (+14.12s | 27.0%) | Truckee-Tahoe Swim Team | 10/17/2025 | 2025 KING OF THE HILL CHALLENGE | ||
| 3912 | Samuel Madsen | 52.32 | 8 | B: 38.19 (+14.13s | 27.0%) | Aptos Cabrillo Swim Club | 07/18/2025 | CVAL | ||
| 3913 | Enzo Palomino | 52.32 | 9 | B: 38.19 (+14.13s | 27.0%) | South Valley Makos | 01/16/2026 | 2026 Brian Malick Memorial Z1S Championships | ||
| 3914 | Evan Stark | 52.32 | 8 | B: 38.19 (+14.13s | 27.0%) | Wave Aquatics | 08/01/2026 | 2026 PN WAVE Summer Pentathlon Invite Appr | ||
| 3915 | Brooks Lapham | 52.33 | 8 | B: 38.19 (+14.14s | 27.0%) | Falfins Swimming | 06/27/2026 | 2026 CO Falfins Summer Series #3 | ||
| 3916 | Justin Xiao | 52.34 | 9 | B: 38.19 (+14.15s | 27.0%) | East Bay Bat Rays | 11/02/2024 | Albany Armada C B BB+ Meet | ||
| 3917 | Wade Hamilton | 52.35 | 9 | B: 38.19 (+14.16s | 27.0%) | Prineville Swim Team | 07/10/2025 | 2025 Madras Summer Race Fun Series #2 | ||
| 3918 | Judson Tillema | 52.36 | 9 | B: 38.19 (+14.17s | 27.1%) | Arizona Dolphins | 02/14/2025 | 33rd Annual Lost Dutchman Invitational | ||
| 3919 | Mauricio Lopez | 52.36 | 9 | B: 38.19 (+14.17s | 27.1%) | San Benito Aquatics | 07/24/2026 | CVAL 2026 | ||
| 3920 | Ethan Nipert | 52.36 | 8 | B: 38.19 (+14.17s | 27.1%) | Puget Sound Swim Club | 09/26/2026 | 2026 PN UPAC Fall Open Approved | ||
| 3921 | Nathan Alexander | 52.37 | 8 | B: 38.19 (+14.18s | 27.1%) | Olympic Cascade Aquatics | 10/04/2025 | 2025 PN OCA John Walker Invitational | ||
| 3922 | Jonas Moor | 52.37 | 9 | B: 38.19 (+14.18s | 27.1%) | Seattle Metropolitan Aquatic C | 12/07/2024 | 2024 PN Fall Divisionals, Division 1 | ||
| 3923 | Ethan Zong | 52.37 | 9 | B: 38.19 (+14.18s | 27.1%) | Blue Dolphin Swim Team | 10/03/2026 | 2026 PN OCA John Walker Invitational Approve | ||
| 3924 | Jackson Hsiao | 52.37 | 10 | B: 38.19 (+14.18s | 27.1%) | Palo Alto Stanford Aquatics | 10/16/2026 | All Treats No Tricks Candy Meet Block Party | ||
| 3925 | Torin Trexler | 52.38 | 10 | B: 38.19 (+14.19s | 27.1%) | Moses Lake | 02/20/2026 | 2026 WIAA 4A Boys HS State Champs OB | ||
| 3926 | Max Favelukis | 52.38 | 10 | B: 38.19 (+14.19s | 27.1%) | Heartland Swim Assoc | 09/21/2024 | 2024 SI PS Freestyle Festival Sat | ||
| 3927 | Leo Okano | 52.38 | 10 | B: 38.19 (+14.19s | 27.1%) | Cortez Water Dragons | 05/29/2026 | 2026 CO Cortez Summer Open | ||
| 3928 | Devin Sandeen | 52.38 | 9 | B: 38.19 (+14.19s | 27.1%) | Morgan Marlins Swim Team | 07/26/2025 | 2025 CO Morgal Marlins July Open | ||
| 3929 | Darius Parineh | 52.40 | 9 | B: 38.19 (+14.21s | 27.1%) | Palo Alto Stanford Aquatics | 03/22/2025 | 2025 Los Altos Mountain View SC CBA Meet | ||
| 3930 | Ziggy Aubin | 52.41 | 10 | B: 38.19 (+14.22s | 27.1%) | Team Vortex | 02/14/2026 | 2026 CO NCS 10 U Winter Spectacular | ||
| 3931 | Dillon Reinders | 52.41 | 10 | B: 38.19 (+14.22s | 27.1%) | Bellingham Bay Swim Team | 10/10/2026 | 2026 BBST Fall Kickoff Approved | ||
| 3932 | Taylor Seto | 52.43 | 7 | B: 38.19 (+14.24s | 27.2%) | Kamehameha Swim Club | 10/19/2025 | Aulea Fall Frenzy Meet | ||
| 3933 | William Lamphere | 52.43 | 9 | B: 38.19 (+14.24s | 27.2%) | Valley Dolphins Swim Team | 07/18/2026 | 2026 CO AP Rocky Mountain State Games | ||
| 3934 | Walter Dickinson | 52.44 | 9 | B: 38.19 (+14.25s | 27.2%) | Portland Aquatic Club | 04/24/2026 | 2026 Celebrate PAC Team Intrasquad Meet | ||
| 3935 | Noah Shamshurin | 52.44 | 6 | B: 38.19 (+14.25s | 27.2%) | Bure-Aqua Academy | 02/14/2026 | 2026 CO ACES Winter Open | ||
| 3936 | Ye Qiu | 52.44 | 8 | B: 38.19 (+14.25s | 27.2%) | Wave Aquatics | 10/03/2026 | 2026 PN Wave Rocktober Invitational Approved | ||
| 3937 | Nolan Ruan | 52.45 | 8 | B: 38.19 (+14.26s | 27.2%) | Wasatch Front Fish Market | 12/10/2025 | WFFM December Developmental | ||
| 3938 | Thomas Travnicek | 52.45 | 9 | B: 38.19 (+14.26s | 27.2%) | Sandpoint Sharks Swim Club | 10/10/2026 | SWAT Fall Challenge 2026 | ||
| 3939 | Evan Surprenant | 52.46 | 7 | B: 38.19 (+14.27s | 27.2%) | Front Range Barracudas | 04/17/2026 | 2026 CO CUDA April Pizza Meet | ||
| 3940 | Ethan Wong | 52.47 | 9 | B: 38.19 (+14.28s | 27.2%) | Santa Clara Swim Club | 09/19/2026 | 2026 Milpitas Aquatic Club Season Kick Off | ||
| 3941 | Carter Gu | 52.48 | 8 | B: 38.19 (+14.29s | 27.2%) | Cascadia Swimming | 12/12/2025 | 2025 OR TTSC Holiday Invitational Meet | ||
| 3942 | Dean Hays | 52.48 | 9 | B: 38.19 (+14.29s | 27.2%) | Excel Aquatics | 10/23/2026 | 2026 Pumpkin Spice Splash | ||
| 3943 | Maxwell Aukes | 52.49 | 6 | B: 38.19 (+14.30s | 27.2%) | AC Swim Club | 10/03/2026 | Neptune Swimming Fall Classic | ||
| 3944 | Roscoe Forsberg | 52.50 | 9 | B: 38.19 (+14.31s | 27.3%) | Legacy Aquatics | 10/12/2024 | LA Fall Kick Off | ||
| 3945 | Ekansh Salvi | 52.50 | 10 | B: 38.19 (+14.31s | 27.3%) | Tualatin Hills Swim Club | 10/23/2026 | 2026 THSC Fall Invitational | ||
| 3946 | Noah Massa | 52.51 | 9 | B: 38.19 (+14.32s | 27.3%) | Inland Coastal Aquatic Club | 09/20/2026 | 2026 SI PS Freestyle Festival Sun | ||
| 3947 | Richard Tang | 52.52 | 10 | B: 38.19 (+14.33s | 27.3%) | Triton Aquatics Club | 12/14/2024 | 2024 12 14 CDST SC C B BB+ Meet | ||
| 3948 | Michael Gedeon | 52.53 | 9 | B: 38.19 (+14.34s | 27.3%) | Wasatch Front Fish Market | 11/12/2025 | WFFM November Developmental | ||
| 3949 | Owen Bright | 52.55 | 9 | B: 38.19 (+14.36s | 27.3%) | Excel Aquatics | 12/13/2025 | 2025 Ho Ho Ho Holiday 12 Under Meet | ||
| 3950 | Lucas Siverson | 52.58 | 9 | B: 38.19 (+14.39s | 27.4%) | Form Swim Team | 02/01/2026 | 2026 CO FORM February Freeze | ||
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.